#903D1F
Closest named color: Saddle Brown (#8B4513). oklch(46.7% 0.121 39.5), rgb(144, 61, 31).
Aa
White text reads best on this color (7.30:1).
About this color
#903D1F is a medium-dark, moderately saturated red. In OKLCH its lightness is 47%, its chroma 0.121 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Saddle Brown (#8B4513), ΔE 0.025 away. White text reads best on it, at 7.30:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Saddle Brown (#8B4513) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #903D1F |
| RGB | rgb(144, 61, 31) |
| HSL | hsl(16, 65%, 34%) |
| OKLCH | oklch(46.7% 0.121 39.5) |
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 #903D1F | 7.30:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #903D1F | 2.87:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #903D1F text on white | 7.30:1 | AAA | Lc 84.8 | Fine for body text |
| #903D1F text on black | 2.87:1 | Fails | Lc -17.2 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F5E6E2
oklch(93.6% 0.017 35.3)
-
Step 200
200
#EDD2CA
oklch(88.4% 0.032 37.1)
-
Step 300
300
#E3B5A5
oklch(81% 0.058 40.1)
-
Step 400
400
#D38C74
oklch(70.6% 0.094 39.4)
-
Step 500
500
#C66E50
oklch(63.1% 0.12 39.4)
-
Step 600
600
#B15434
oklch(55.6% 0.13 39.2)
-
Step 700
700 (this color)
#903D1F
oklch(46.7% 0.121 39.5)
-
Step 800
800
#7B3921
oklch(42.7% 0.099 40.1)
-
Step 900
900
#643120
oklch(37.7% 0.079 39)
-
Step 950
950
#3B1D13
oklch(27% 0.05 39.1)
#903D1F 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) | #544B1B | 0.118 |
| Deuteranopia (no green cones) | #685D1D | 0.107 |
| Tritanopia (no blue cones) | #9E2A37 | 0.057 |
| Achromatopsia (no color) | #565656 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903D1F
#903D1F
oklch(46.7% 0.121 39.5)
- #00647A
#00647A
oklch(46.5% 0.085 219.8)
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 #903D1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Saddle Brown #8B4513 ΔE 0.025
- Rust Brown #8B3103 ΔE 0.030
- Brown Red #922B05 ΔE 0.033
- Red Brown #8B2E16 ΔE 0.034
- Brick #A03623 ΔE 0.034
- Russet #A13905 ΔE 0.035
- Burnt Umber #A0450E ΔE 0.042
- Burnt Red #9F2305 ΔE 0.046
Use #903D1F 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.