#904537
Closest named color: Saddle Brown (#8B4513). oklch(48.3% 0.105 32), rgb(144, 69, 55).
Aa
White text reads best on this color (6.79:1).
About this color
#904537 is a medium-dark, moderately saturated red. In OKLCH its lightness is 48%, its chroma 0.105 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Saddle Brown (#8B4513), ΔE 0.038 away. White text reads best on it, at 6.79:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Saddle Brown (#8B4513) |
| Black text | 3.09:1 |
| White text | 6.79:1 |
Values
| HEX | #904537 |
| RGB | rgb(144, 69, 55) |
| HSL | hsl(9, 45%, 39%) |
| OKLCH | oklch(48.3% 0.105 32) |
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 #904537 | 6.79:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #904537 | 3.09:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #904537 text on white | 6.79:1 | AA | Lc 83.0 | Fine for body text |
| #904537 text on black | 3.09:1 | AA large text | Lc -18.9 | 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
#F3E7E4
oklch(93.7% 0.014 34.3)
-
Step 200
200
#EBD3CE
oklch(88.5% 0.028 31.7)
-
Step 300
300
#DFB5AC
oklch(80.8% 0.051 32.2)
-
Step 400
400
#CE8E81
oklch(70.7% 0.081 31.9)
-
Step 500
500
#C07161
oklch(63.2% 0.104 32.3)
-
Step 600
600
#AB5848
oklch(55.6% 0.112 32.2)
-
Step 700
700 (this color)
#904537
oklch(48.3% 0.105 32)
-
Step 800
800
#773B30
oklch(42.7% 0.087 31.7)
-
Step 900
900
#60332A
oklch(37.6% 0.067 32.3)
-
Step 950
950
#391E19
oklch(27% 0.044 31.3)
#904537 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) | #585136 | 0.106 |
| Deuteranopia (no green cones) | #6A6136 | 0.098 |
| Tritanopia (no blue cones) | #9D3842 | 0.042 |
| Achromatopsia (no color) | #5B5B5B | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #904537
#904537
oklch(48.3% 0.105 32)
- #006A7A
#006A7A
oklch(48.2% 0.084 212.7)
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 #904537, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Saddle Brown #8B4513 ΔE 0.038
- Brick #A03623 ΔE 0.040
- Burnt Umber #A0450E ΔE 0.046
- Russet #A13905 ΔE 0.047
- Sienna #A0522D ΔE 0.051
- Milk Chocolate #7F4E1E ΔE 0.053
- Red Brown #8B2E16 ΔE 0.054
- Warm Brown #964E02 ΔE 0.054
Use #904537 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.