#90666B
Closest named color: Purple Grey (#866F85). oklch(55.5% 0.055 11.1), rgb(144, 102, 107).
Aa
White text reads best on this color (4.88:1).
About this color
#90666B is a medium-dark, muted red. In OKLCH its lightness is 56%, its chroma 0.055 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Grey (#866F85), ΔE 0.041 away. White text reads best on it, at 4.88:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.055) |
| Temperature | warm |
| Nearest name | Purple Grey (#866F85) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #90666B |
| RGB | rgb(144, 102, 107) |
| HSL | hsl(353, 17%, 48%) |
| OKLCH | oklch(55.5% 0.055 11.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #90666B | 4.88:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #90666B | 4.29:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #90666B text on white | 4.88:1 | AA | Lc 73.8 | Content text, not long reading |
| #90666B text on black | 4.29:1 | AA large text | Lc -27.9 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EEE8E8
oklch(93.6% 0.007 17.3)
-
Step 200
200
#E2D6D7
oklch(88.6% 0.013 11.6)
-
Step 300
300
#D0BABC
oklch(80.8% 0.025 11.4)
-
Step 400
400
#B8979A
oklch(70.7% 0.04 12)
-
Step 500
500
#A57D82
oklch(63% 0.05 10.2)
-
Step 600
600 (this color)
#90666B
oklch(55.5% 0.055 11.1)
-
Step 700
700
#7B5559
oklch(49.2% 0.051 12.1)
-
Step 800
800
#644649
oklch(42.8% 0.042 12.3)
-
Step 900
900
#513B3D
oklch(37.7% 0.031 12.6)
-
Step 950
950
#302224
oklch(27% 0.022 9.1)
#90666B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #6D6C6B | 0.058 |
| Deuteranopia (no green cones) | #77746A | 0.055 |
| Tritanopia (no blue cones) | #986368 | 0.015 |
| Achromatopsia (no color) | #717171 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90666B
#90666B
oklch(55.5% 0.055 11.1)
- #4B7E7B
#4B7E7B
oklch(55.6% 0.055 190.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #90666B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Grey #866F85 ΔE 0.041
- Reddish Grey #997570 ΔE 0.044
- Dusky Purple #895B7B ΔE 0.048
- Grey Purple #826D8C ΔE 0.052
- Dark Taupe #7F684E ΔE 0.056
- Dull Purple #84597E ΔE 0.059
- Dusty Purple #825F87 ΔE 0.059
- Cocoa #875F42 ΔE 0.060
Use #90666B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.