#90404C
Closest named color: Dark Mauve (#874C62). oklch(48% 0.109 12.8), rgb(144, 64, 76).
Aa
White text reads best on this color (6.94:1).
About this color
#90404C is a medium-dark, moderately saturated red. In OKLCH its lightness is 48%, its chroma 0.109 and its hue 13°. 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 6.94:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 3.02:1 |
| White text | 6.94:1 |
Values
| HEX | #90404C |
| RGB | rgb(144, 64, 76) |
| HSL | hsl(351, 38%, 41%) |
| OKLCH | oklch(48% 0.109 12.8) |
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 #90404C | 6.94:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #90404C | 3.02:1 | AA large text | Lc 20.5 | Dividers and decoration only |
| #90404C text on white | 6.94:1 | AA | Lc 83.6 | Fine for body text |
| #90404C text on black | 3.02:1 | AA large text | Lc -18.4 | 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
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F4E6E7
oklch(93.6% 0.015 12.4)
-
Step 200
200
#ECD2D4
oklch(88.6% 0.029 12.4)
-
Step 300
300
#E0B3B7
oklch(80.8% 0.053 12.3)
-
Step 400
400
#CF8B92
oklch(70.7% 0.084 12.7)
-
Step 500
500
#C16D77
oklch(63.1% 0.107 13)
-
Step 600
600
#AC5360
oklch(55.5% 0.117 12.5)
-
Step 700
700 (this color)
#90404C
oklch(48% 0.109 12.8)
-
Step 800
800
#783841
oklch(42.7% 0.09 12.8)
-
Step 900
900
#613137
oklch(37.7% 0.069 13)
-
Step 950
950
#391D20
oklch(27% 0.044 13.6)
#90404C 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) | #51504C | 0.118 |
| Deuteranopia (no green cones) | #65604A | 0.111 |
| Tritanopia (no blue cones) | #9C3645 | 0.028 |
| Achromatopsia (no color) | #5A5A5A | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90404C
#90404C
oklch(48% 0.109 12.8)
- #006C6A
#006C6A
oklch(48% 0.082 192.5)
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 #90404C, 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 0.044
- Brownish Purple #76424E ΔE 0.050
- Light Burgundy #A8415B ΔE 0.052
- Brick #A03623 ΔE 0.056
- Brown #A52A2A ΔE 0.059
- Auburn #9B2226 ΔE 0.061
- Red Brown #8B2E16 ΔE 0.067
Use #90404C 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.