#90504F
Closest named color: Dark Mauve (#874C62). oklch(50.7% 0.086 21.5), rgb(144, 80, 79).
Aa
White text reads best on this color (6.09:1).
About this color
#90504F is a medium-dark, moderately saturated red. In OKLCH its lightness is 51%, its chroma 0.086 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mauve (#874C62), ΔE 0.039 away. White text reads best on it, at 6.09:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 3.44:1 |
| White text | 6.09:1 |
Values
| HEX | #90504F |
| RGB | rgb(144, 80, 79) |
| HSL | hsl(1, 29%, 44%) |
| OKLCH | oklch(50.7% 0.086 21.5) |
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 #90504F | 6.09:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #90504F | 3.44:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #90504F text on white | 6.09:1 | AA | Lc 80.2 | Fine for body text |
| #90504F text on black | 3.44:1 | AA large text | Lc -21.7 | 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 700.
-
Step 50
50
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E7E6
oklch(93.6% 0.012 23.7)
-
Step 200
200
#E8D3D2
oklch(88.4% 0.023 20.9)
-
Step 300
300
#DBB7B5
oklch(81% 0.042 21.8)
-
Step 400
400
#C7908E
oklch(70.6% 0.067 21.3)
-
Step 500
500
#B87473
oklch(63.1% 0.086 20.7)
-
Step 600
600
#A35C5B
oklch(55.6% 0.093 21.3)
-
Step 700
700 (this color)
#90504F
oklch(50.7% 0.086 21.5)
-
Step 800
800
#713E3D
oklch(42.6% 0.072 21.7)
-
Step 900
900
#5C3534
oklch(37.7% 0.056 21.7)
-
Step 950
950
#361F1F
oklch(26.9% 0.036 19.7)
#90504F 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) | #5E5A4F | 0.090 |
| Deuteranopia (no green cones) | #6D674E | 0.085 |
| Tritanopia (no blue cones) | #9B4850 | 0.027 |
| Achromatopsia (no color) | #626262 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90504F
#90504F
oklch(50.7% 0.086 21.5)
- #00737A
#00737A
oklch(50.6% 0.086 202.2)
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 #90504F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mauve #874C62 ΔE 0.039
- Light Maroon #A24857 ΔE 0.041
- Cocoa #875F42 ΔE 0.052
- Sienna #A0522D ΔE 0.053
- Light Burgundy #A8415B ΔE 0.059
- Dusky Purple #895B7B ΔE 0.065
- Brick #A03623 ΔE 0.066
- Brownish Purple #76424E ΔE 0.066
Use #90504F 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.