#00507ASea Paint (#00507A) is a dark, soft sky blue with an OKLCH hue of 241°, lightness 0.41 and chroma 0.096. It sits on the cool side of the color wheel. In practice it behaves as a mid-weight working color for secondary surfaces and editorial blocks.
| HEX | #00507A |
|---|---|
| RGB | rgb(0, 80, 122) |
| HSL | hsl(201, 100%, 24%) |
| HSV | hsv(201, 100%, 48%) |
| CMYK | cmyk(100%, 34%, 0%, 52%) |
| CIE Lab | lab(32.1 -4.2 -29.7) |
| OKLCH | oklch(0.412 0.096 241) |
Under warm 2700K interior light Sea Paint shifts only faintly, with no single dominant change; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 1.5), so it is a lighting-stable choice.
#174f72 — ΔE 1.5, shifts only faintly, with no single dominant change#0e5178 — ΔE 0.7, is virtually unchanged#00507a — ΔE 0.0, is virtually unchanged#00507c — ΔE 0.3, is virtually unchangedTest Sea Paint in the color lighting simulator — sweep it through daylight, warm 2700K light, 4000K LED, and shade alongside the rest of your palette.
Against white it measures 8.65:1 and against black 2.43:1, so white text is the stronger pairing. That pairing passes WCAG AA for body text. Avoid black text on this color entirely.
One color explored: close hues with real lightness and chroma structure, so the palette is the anchor through value rather than a set of colors.
#80aed0 · #5488ae · #26648c · #00507a · #002036 · #000510
The anchor's neighbours on the wheel — everything shares an undertone, so the chord carries color without anything having to be muted to get along.
#2c7884 · #0d6580 · #00507a · #193b69 · #1f2754 · #1e153e
The mid-gap pairing — sage and mustard, terracotta and olive. A foil rotated 40–65° toward warm or cool: too far to be kin, too near to argue, carried by temperature and a deliberate value offset.
#a39dc1 · #8678b9 · #686280 · #00507a · #003453 · #001b2f
One deliberately opposed voice — a single restrained counterpoint across the wheel, or temperature against temperature where the anchor is too muted to carry a loud opposite.
#dea371 · #708ea5 · #5b6c79 · #00507a · #123147 · #051622
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#f9f0e9 · #9eaab3 · #69635e · #00507a · #29353e · #020100
This color as a ground rather than a subject — its own restraint held across a narrow value band, carrying one saturated voice from the opposite temperature.
#faf0e7 · #d6cac0 · #ada095 · #3d2d20 · #1b0c01 · #00507a
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#d1d7b2 · #e3a332 · #8b84bc · #80514d · #00507a · #071214
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#ffeee1 · #d4968a · #786111 · #00507a · #562018 · #090400
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#ffecf1 · #d294a5 · #5c6c26 · #00507a · #2e3900 · #0a0002
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#feebfb · #c597be · #8b5622 · #00507a · #053f1c · #170600
#336A91 · #5685A8 · #79A1BF · #9DBDD6 · #C1DAEE
#004367 · #003655 · #002A43 · #001E33 · #001323
#1E5070 · #2E4F66 · #3A4E5C
Its moderate chroma lets it work in mid-size areas — upholstery, secondary UI surfaces, editorial blocks — without overwhelming neighbors. In palettes it pairs most predictably with its tonal ramp and analogous neighbors; reserve the complementary hue for small, deliberate contrast.