#015482Grand Bleu (#015482) is a dark, soft sky blue with an OKLCH hue of 243°, lightness 0.43 and chroma 0.102. 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 | #015482 |
|---|---|
| RGB | rgb(1, 84, 130) |
| HSL | hsl(201, 98%, 26%) |
| HSV | hsv(201, 99%, 51%) |
| CMYK | cmyk(99%, 35%, 0%, 49%) |
| CIE Lab | lab(33.9 -3.4 -31.8) |
| OKLCH | oklch(0.428 0.102 243) |
Under warm 2700K interior light Grand Bleu 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.
#1a527a — ΔE 1.5, shifts only faintly, with no single dominant change#105580 — ΔE 0.7, is virtually unchanged#015482 — ΔE 0.0, is virtually unchanged#005484 — ΔE 0.3, is virtually unchangedTest Grand Bleu 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 8.1:1 and against black 2.59:1, 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.
#7eaed3 · #5188b1 · #015482 · #004066 · #002037 · #000511
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.
#2c7d8b · #0b6a87 · #015482 · #1d3e70 · #242a5b · #221744
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.
#a9a1c7 · #8d7cc0 · #6d6686 · #015482 · #00385a · #001f35
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.
#e1a46c · #7493ac · #5f717f · #015482 · #15354c · #071a27
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#f9f0e8 · #a0acb7 · #6d6762 · #015482 · #2c3943 · #050200
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 · #d5cac0 · #ada095 · #3d2d20 · #1b0c01 · #015482
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#ffeee1 · #d09f74 · #91591f · #015482 · #532c00 · #000511
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#ffeee1 · #d9988a · #7d660c · #015482 · #5c2318 · #0a0500
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#ffecf0 · #d795a6 · #5e7127 · #015482 · #303e00 · #100003
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#ffebfb · #ca98c1 · #91591f · #015482 · #014420 · #180700
#346E98 · #5888AE · #7AA3C4 · #9DBFDA · #C1DBF1
#00466E · #00385A · #002B47 · #001F35 · #001324
#215478 · #31536D · #3D5262
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.