#90645E
Closest named color: Dark Taupe (#7F684E). oklch(54.8% 0.058 27.8), rgb(144, 100, 94).
Aa
White text reads best on this color (5.03:1).
About this color
#90645E is a medium-dark, muted red. In OKLCH its lightness is 55%, its chroma 0.058 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Taupe (#7F684E), ΔE 0.042 away. White text reads best on it, at 5.03:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Dark Taupe (#7F684E) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #90645E |
| RGB | rgb(144, 100, 94) |
| HSL | hsl(7, 21%, 47%) |
| OKLCH | oklch(54.8% 0.058 27.8) |
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 #90645E | 5.03:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #90645E | 4.17:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #90645E text on white | 5.03:1 | AA | Lc 74.7 | Content text, not long reading |
| #90645E text on black | 4.17:1 | AA large text | Lc -27.0 | 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
#F8F5F4
oklch(97.2% 0.003 39.5)
-
Step 100
100
#EFE8E7
oklch(93.6% 0.008 27.2)
-
Step 200
200
#E3D6D4
oklch(88.6% 0.015 28)
-
Step 300
300
#D1BBB7
oklch(81% 0.026 30)
-
Step 400
400
#BA9792
oklch(70.7% 0.043 27.7)
-
Step 500
500
#A87D78
oklch(63% 0.054 26.3)
-
Step 600
600 (this color)
#90645E
oklch(54.8% 0.058 27.8)
-
Step 700
700
#7D5550
oklch(49.1% 0.054 27.1)
-
Step 800
800
#654641
oklch(42.7% 0.044 29.3)
-
Step 900
900
#533B37
oklch(37.8% 0.035 29.5)
-
Step 950
950
#312220
oklch(26.9% 0.024 27.3)
#90645E 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) | #6D6A5D | 0.060 |
| Deuteranopia (no green cones) | #78725D | 0.054 |
| Tritanopia (no blue cones) | #995F62 | 0.022 |
| Achromatopsia (no color) | #6F6F6F | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90645E
#90645E
oklch(54.8% 0.058 27.8)
- #457B83
#457B83
oklch(54.9% 0.059 207.8)
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 #90645E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Taupe #7F684E ΔE 0.042
- Cocoa #875F42 ΔE 0.042
- Dull Brown #876E4B ΔE 0.048
- Reddish Grey #997570 ΔE 0.050
- Grey Brown #7F7053 ΔE 0.050
- Earth #A2653E ΔE 0.052
- Dirt #8A6E45 ΔE 0.053
- Purple Grey #866F85 ΔE 0.058
Use #90645E 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.