#90404A
Closest named color: Dark Mauve (#874C62). oklch(47.9% 0.109 14.4), rgb(144, 64, 74).
Aa
White text reads best on this color (6.95:1).
About this color
#90404A is a medium-dark, moderately saturated red. In OKLCH its lightness is 48%, its chroma 0.109 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mauve (#874C62), ΔE 0.040 away. White text reads best on it, at 6.95:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Dark Mauve (#874C62) |
| Black text | 3.01:1 |
| White text | 6.95:1 |
Values
| HEX | #90404A |
| RGB | rgb(144, 64, 74) |
| HSL | hsl(353, 38%, 41%) |
| OKLCH | oklch(47.9% 0.109 14.4) |
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 #90404A | 6.95:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #90404A | 3.01:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #90404A text on white | 6.95:1 | AA | Lc 83.6 | Fine for body text |
| #90404A text on black | 3.01:1 | 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
#ECD2D3
oklch(88.6% 0.029 15.1)
-
Step 300
300
#E1B3B6
oklch(80.9% 0.054 13.9)
-
Step 400
400
#CF8B90
oklch(70.6% 0.083 14.6)
-
Step 500
500
#C16D75
oklch(63.1% 0.107 14.5)
-
Step 600
600
#AC535E
oklch(55.5% 0.117 13.9)
-
Step 700
700 (this color)
#90404A
oklch(47.9% 0.109 14.4)
-
Step 800
800
#78383F
oklch(42.7% 0.09 14.8)
-
Step 900
900
#613136
oklch(37.7% 0.069 14.4)
-
Step 950
950
#391D20
oklch(27% 0.044 13.6)
#90404A 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) | #514F4A | 0.118 |
| Deuteranopia (no green cones) | #656048 | 0.111 |
| Tritanopia (no blue cones) | #9C3544 | 0.028 |
| Achromatopsia (no color) | #595959 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90404A
#90404A
oklch(47.9% 0.109 14.4)
- #006B6B
#006B6B
oklch(47.8% 0.082 194.8)
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 #90404A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mauve #874C62 ΔE 0.040
- Light Maroon #A24857 ΔE 0.044
- Brownish Purple #76424E ΔE 0.051
- Brick #A03623 ΔE 0.053
- Light Burgundy #A8415B ΔE 0.054
- Brown #A52A2A ΔE 0.057
- Auburn #9B2226 ΔE 0.059
- Red Brown #8B2E16 ΔE 0.065
Use #90404A 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.