#903724
Closest named color: Red Brown (#8B2E16). oklch(45.9% 0.125 33.7), rgb(144, 55, 36).
Aa
White text reads best on this color (7.61:1).
About this color
#903724 is a medium-dark, moderately saturated red. In OKLCH its lightness is 46%, its chroma 0.125 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.023 away. White text reads best on it, at 7.61:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.75:1 |
| White text | 7.61:1 |
Values
| HEX | #903724 |
| RGB | rgb(144, 55, 36) |
| HSL | hsl(11, 60%, 35%) |
| OKLCH | oklch(45.9% 0.125 33.7) |
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 #903724 | 7.61:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #903724 | 2.75:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #903724 text on white | 7.61:1 | AAA | Lc 85.7 | Fine for body text |
| #903724 text on black | 2.75:1 | Fails | Lc -16.3 | 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 800.
-
Step 50
50
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F3D0C8
oklch(88.5% 0.041 33)
-
Step 300
300
#ECB0A2
oklch(80.9% 0.073 33.5)
-
Step 400
400
#DF8470
oklch(70.6% 0.117 33.3)
-
Step 500
500
#D46249
oklch(63.1% 0.15 33.8)
-
Step 600
600
#BF452B
oklch(55.5% 0.162 33.7)
-
Step 700
700
#A5351E
oklch(49.1% 0.152 33.4)
-
Step 800
800 (this color)
#903724
oklch(45.9% 0.125 33.7)
-
Step 900
900
#6C2A1C
oklch(37.7% 0.098 33.6)
-
Step 950
950
#3F1911
oklch(26.8% 0.062 33.3)
#903724 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) | #4F4722 | 0.128 |
| Deuteranopia (no green cones) | #655B21 | 0.118 |
| Tritanopia (no blue cones) | #9E2233 | 0.049 |
| Achromatopsia (no color) | #545454 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #903724
#903724
oklch(45.9% 0.125 33.7)
- #006373
#006373
oklch(45.9% 0.081 213.7)
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 #903724, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.023
- Brown Red #922B05 ΔE 0.025
- Rust Brown #8B3103 ΔE 0.027
- Brick #A03623 ΔE 0.032
- Burnt Red #9F2305 ΔE 0.039
- Auburn #9B2226 ΔE 0.039
- Saddle Brown #8B4513 ΔE 0.040
- Russet #A13905 ΔE 0.041
Use #903724 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.