#903C1D
Closest named color: Saddle Brown (#8B4513). oklch(46.5% 0.122 39.7), rgb(144, 60, 29).
Aa
White text reads best on this color (7.36:1).
About this color
#903C1D is a medium-dark, moderately saturated red. In OKLCH its lightness is 46%, its chroma 0.122 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Saddle Brown (#8B4513), ΔE 0.026 away. White text reads best on it, at 7.36:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Saddle Brown (#8B4513) |
| Black text | 2.84:1 |
| White text | 7.36:1 |
Values
| HEX | #903C1D |
| RGB | rgb(144, 60, 29) |
| HSL | hsl(16, 66%, 34%) |
| OKLCH | oklch(46.5% 0.122 39.7) |
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 #903C1D | 7.36:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #903C1D | 2.84:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #903C1D text on white | 7.36:1 | AAA | Lc 85.0 | Fine for body text |
| #903C1D text on black | 2.84:1 | Fails | Lc -17.1 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EDD2C9
oklch(88.4% 0.033 39.3)
-
Step 300
300
#E3B4A4
oklch(80.8% 0.059 39.6)
-
Step 400
400
#D48C74
oklch(70.7% 0.095 39.2)
-
Step 500
500
#C66E4F
oklch(63.1% 0.12 40)
-
Step 600
600
#B25433
oklch(55.7% 0.131 39.5)
-
Step 700
700 (this color)
#903C1D
oklch(46.5% 0.122 39.7)
-
Step 800
800
#7C3820
oklch(42.7% 0.102 39.5)
-
Step 900
900
#64311F
oklch(37.7% 0.079 39.9)
-
Step 950
950
#3B1D13
oklch(27% 0.05 39.1)
#903C1D 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) | #534A19 | 0.120 |
| Deuteranopia (no green cones) | #685D1A | 0.109 |
| Tritanopia (no blue cones) | #9F2936 | 0.057 |
| Achromatopsia (no color) | #565656 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903C1D
#903C1D
oklch(46.5% 0.122 39.7)
- #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 #903C1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Saddle Brown #8B4513 ΔE 0.026
- Rust Brown #8B3103 ΔE 0.028
- Brown Red #922B05 ΔE 0.031
- Red Brown #8B2E16 ΔE 0.032
- Brick #A03623 ΔE 0.034
- Russet #A13905 ΔE 0.034
- Burnt Umber #A0450E ΔE 0.043
- Burnt Red #9F2305 ΔE 0.045
Use #903C1D 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.