#90717C
Closest named color: Purple Grey (#866F85). oklch(58.2% 0.042 355.3), rgb(144, 113, 124).
Aa
Black text reads best on this color (4.83:1).
About this color
#90717C is a medium-dark, muted red. In OKLCH its lightness is 58%, its chroma 0.042 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Grey (#866F85), ΔE 0.023 away. Black text reads best on it, at 4.83:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Purple Grey (#866F85) |
| Black text | 4.83:1 |
| White text | 4.33:1 |
Values
| HEX | #90717C |
| RGB | rgb(144, 113, 124) |
| HSL | hsl(339, 12%, 50%) |
| OKLCH | oklch(58.2% 0.042 355.3) |
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 #90717C | 4.33:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #90717C | 4.83:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #90717C text on white | 4.33:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #90717C text on black | 4.83:1 | AA | Lc -31.6 | Non-text elements, placeholder text |
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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EDE8EA
oklch(93.5% 0.006 350.8)
-
Step 200
200
#DFD6D9
oklch(88.4% 0.011 354.9)
-
Step 300
300
#CBBCC1
oklch(80.9% 0.018 355.2)
-
Step 400
400
#B199A1
oklch(70.7% 0.03 355.8)
-
Step 500
500
#9D808A
oklch(63% 0.038 355.6)
-
Step 600
600 (this color)
#90717C
oklch(58.2% 0.042 355.3)
-
Step 700
700
#735862
oklch(49.1% 0.038 354.5)
-
Step 800
800
#5E4850
oklch(42.8% 0.032 354.8)
-
Step 900
900
#4D3C42
oklch(37.7% 0.026 355.3)
-
Step 950
950
#2D2327
oklch(26.9% 0.017 352.3)
#90717C 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) | #74767C | 0.045 |
| Deuteranopia (no green cones) | #7B7B7B | 0.042 |
| Tritanopia (no blue cones) | #957075 | 0.012 |
| Achromatopsia (no color) | #797979 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90717C
#90717C
oklch(58.2% 0.042 355.3)
- #61837A
#61837A
oklch(58.1% 0.041 176.7)
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 #90717C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Grey #866F85 ΔE 0.023
- Reddish Grey #997570 ΔE 0.029
- Grey Purple #826D8C ΔE 0.038
- Purpley Grey #947E94 ΔE 0.044
- Gray #808080 ΔE 0.045
- Medium Grey #7D7F7C ΔE 0.047
- Faded Purple #916E99 ΔE 0.049
- English Lavender #9D8189 ΔE 0.050
Use #90717C 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.