Slate Blue #6A5ACD

Slate Blue (#6A5ACD) is a mid-tone, saturated purple with an OKLCH hue of 286°, lightness 0.54 and chroma 0.171. It sits on the cool side of the color wheel. In practice it behaves as an accent color: strong in focal moments, dominant over large fields.

Color values

HEX#6A5ACD
RGBrgb(106, 90, 205)
HSLhsl(248, 53%, 58%)
HSVhsv(248, 56%, 80%)
CMYKcmyk(48%, 56%, 0%, 20%)
CIE Lablab(45.3 36 -57.8)
OKLCHoklch(0.544 0.171 286)

How Slate Blue behaves under real light

Under warm 2700K interior light Slate Blue shifts subtly: leans toward magenta; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 2), so it is a lighting-stable choice.

Contrast & accessibility

Against white it measures 5.31:1 and against black 3.96:1, so white text is the stronger pairing. That pairing passes WCAG AA for body text.

Palettes built from Slate Blue

Tonal

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.

#bfbdff · #978ff5 · #6a5acd · #5240aa · #331c7c · #18004a

Analogous

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.

#5496e3 · #5e79dc · #6a5acd · #7042a8 · #6d2c81 · #64185b

Shifted

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.

#ee7dd2 · #af79a0 · #6a5acd · #4f419f · #36267b · #3a062f

Contrast

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.

#d4c915 · #8d8caf · #6a5acd · #4d4882 · #312b5d · #171433

Quiet Support

The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.

#f4f3e1 · #88889f · #6a5acd · #57574b · #212036 · #010100

Bright Accent

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.

#f3f3e7 · #cbcbbd · #a0a090 · #2a2916 · #090800 · #6a5acd

Complementary

The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.

#cbfdfc · #96f66a · #9d6cb5 · #6a5acd · #4a614d · #031022

Split-complementary

The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.

#f6f5cd · #b87d00 · #6a5acd · #306600 · #331f00 · #000200

Triadic

Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.

#ffeee6 · #cc6c3c · #6a5acd · #006649 · #002b1d · #200500

Tetradic

Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.

#ffeded · #cf636e · #6a5acd · #5e5900 · #002a2a · #050300

Tints, shades & muted variants

Tints

#7E74DA · #938DE7 · #A9A6F3 · #C1BFFF · #DADAFF

Shades

#5748AF · #463693 · #352577 · #25145C · #160342

Muted

#6A61BA · #6B67A6 · #6C6B93

Using Slate Blue

Its chroma is high enough to carry accents, calls to action, and focal moments; large fields of it will dominate a composition. In palettes it pairs most predictably with its tonal ramp and analogous neighbors; reserve the complementary hue for small, deliberate contrast.

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