#903E3D
Closest named color: Brick (#A03623). oklch(47.3% 0.112 23), rgb(144, 62, 61).
Aa
White text reads best on this color (7.13:1).
About this color
#903E3D is a medium-dark, moderately saturated red. In OKLCH its lightness is 47%, its chroma 0.112 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.040 away. White text reads best on it, at 7.13:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #903E3D |
| RGB | rgb(144, 62, 61) |
| HSL | hsl(1, 40%, 40%) |
| OKLCH | oklch(47.3% 0.112 23) |
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 #903E3D | 7.13:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #903E3D | 2.94:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #903E3D text on white | 7.13:1 | AAA | Lc 84.2 | Fine for body text |
| #903E3D text on black | 2.94:1 | Fails | Lc -17.8 | 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
#F4E6E5
oklch(93.6% 0.015 22.4)
-
Step 200
200
#EDD2D0
oklch(88.6% 0.03 22.8)
-
Step 300
300
#E2B4B0
oklch(81% 0.054 24.1)
-
Step 400
400
#D18B87
oklch(70.6% 0.086 23.1)
-
Step 500
500
#C36D6A
oklch(63.1% 0.11 22.8)
-
Step 600
600
#AF5351
oklch(55.6% 0.121 23)
-
Step 700
700 (this color)
#903E3D
oklch(47.3% 0.112 23)
-
Step 800
800
#7A3836
oklch(42.8% 0.093 23.5)
-
Step 900
900
#62312F
oklch(37.7% 0.071 23.5)
-
Step 950
950
#3A1D1C
oklch(27% 0.046 22.6)
#903E3D 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) | #524D3C | 0.118 |
| Deuteranopia (no green cones) | #665E3B | 0.110 |
| Tritanopia (no blue cones) | #9D303E | 0.035 |
| Achromatopsia (no color) | #585858 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903E3D
#903E3D
oklch(47.3% 0.112 23)
- #006970
#006970
oklch(47.4% 0.081 202.8)
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 #903E3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.040
- Auburn #9B2226 ΔE 0.049
- Brown #A52A2A ΔE 0.049
- Red Brown #8B2E16 ΔE 0.049
- Brown Red #922B05 ΔE 0.054
- Saddle Brown #8B4513 ΔE 0.054
- Light Maroon #A24857 ΔE 0.054
- Brownish Purple #76424E ΔE 0.055
Use #903E3D 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.