#904437
Closest named color: Brick (#A03623). oklch(48.1% 0.106 31.3), rgb(144, 68, 55).
Aa
White text reads best on this color (6.84:1).
About this color
#904437 is a medium-dark, moderately saturated red. In OKLCH its lightness is 48%, its chroma 0.106 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.039 away. White text reads best on it, at 6.84:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.06:1 |
| White text | 6.84:1 |
Values
| HEX | #904437 |
| RGB | rgb(144, 68, 55) |
| HSL | hsl(9, 45%, 39%) |
| OKLCH | oklch(48.1% 0.106 31.3) |
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 #904437 | 6.84:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #904437 | 3.06:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #904437 text on white | 6.84:1 | AA | Lc 83.2 | Fine for body text |
| #904437 text on black | 3.06:1 | AA large text | Lc -18.7 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E4
oklch(93.5% 0.016 27.3)
-
Step 200
200
#EBD3CE
oklch(88.5% 0.028 31.7)
-
Step 300
300
#E0B5AD
oklch(80.9% 0.051 30.4)
-
Step 400
400
#CF8E81
oklch(70.8% 0.082 31.7)
-
Step 500
500
#C07062
oklch(63% 0.104 30.8)
-
Step 600
600
#AC5748
oklch(55.6% 0.115 31.4)
-
Step 700
700 (this color)
#904437
oklch(48.1% 0.106 31.3)
-
Step 800
800
#783B30
oklch(42.8% 0.088 31.6)
-
Step 900
900
#61332A
oklch(37.8% 0.069 32.1)
-
Step 950
950
#391E19
oklch(27% 0.044 31.3)
#904437 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) | #575036 | 0.108 |
| Deuteranopia (no green cones) | #6A6135 | 0.100 |
| Tritanopia (no blue cones) | #9D3741 | 0.041 |
| Achromatopsia (no color) | #5A5A5A | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #904437
#904437
oklch(48.1% 0.106 31.3)
- #006A79
#006A79
oklch(48.1% 0.084 211.6)
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 #904437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.039
- Saddle Brown #8B4513 ΔE 0.039
- Russet #A13905 ΔE 0.047
- Burnt Umber #A0450E ΔE 0.047
- Red Brown #8B2E16 ΔE 0.052
- Sienna #A0522D ΔE 0.053
- Rust Brown #8B3103 ΔE 0.054
- Milk Chocolate #7F4E1E ΔE 0.054
Use #904437 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.