#903833
Closest named color: Red Brown (#8B2E16). oklch(46.2% 0.121 26.1), rgb(144, 56, 51).
Aa
White text reads best on this color (7.50:1).
About this color
#903833 is a medium-dark, moderately saturated red. In OKLCH its lightness is 46%, its chroma 0.121 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.034 away. White text reads best on it, at 7.50:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.79:1 |
| White text | 7.50:1 |
Values
| HEX | #903833 |
| RGB | rgb(144, 56, 51) |
| HSL | hsl(3, 48%, 38%) |
| OKLCH | oklch(46.2% 0.121 26.1) |
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 #903833 | 7.50:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #903833 | 2.79:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #903833 text on white | 7.50:1 | AAA | Lc 85.4 | Fine for body text |
| #903833 text on black | 2.79:1 | Fails | Lc -16.6 | 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
#FBF4F3
oklch(97.2% 0.008 27.2)
-
Step 100
100
#F5E6E4
oklch(93.6% 0.017 26.7)
-
Step 200
200
#EED1CE
oklch(88.4% 0.033 24.8)
-
Step 300
300
#E4B3AD
oklch(80.9% 0.058 26.5)
-
Step 400
400
#D58A82
oklch(70.8% 0.093 26.3)
-
Step 500
500
#C76B63
oklch(63.1% 0.118 26.1)
-
Step 600
600
#B3504A
oklch(55.6% 0.13 25.7)
-
Step 700
700 (this color)
#903833
oklch(46.2% 0.121 26.1)
-
Step 800
800
#7D3631
oklch(42.8% 0.1 26.2)
-
Step 900
900
#652F2B
oklch(37.7% 0.079 25.8)
-
Step 950
950
#3B1C19
oklch(26.9% 0.049 26.6)
#903833 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) | #4F4932 | 0.127 |
| Deuteranopia (no green cones) | #655C31 | 0.118 |
| Tritanopia (no blue cones) | #9E2637 | 0.040 |
| Achromatopsia (no color) | #555555 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903833
#903833
oklch(46.2% 0.121 26.1)
- #00656E
#00656E
oklch(46.3% 0.079 205.5)
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 #903833, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.034
- Brick #A03623 ΔE 0.035
- Auburn #9B2226 ΔE 0.037
- Brown Red #922B05 ΔE 0.039
- Rust Brown #8B3103 ΔE 0.042
- Brown #A52A2A ΔE 0.043
- Burnt Red #9F2305 ΔE 0.047
- Russet #A13905 ΔE 0.050
Use #903833 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.