#7C371B
Closest named color: Rust Brown (#8B3103). oklch(42.5% 0.104 41.4), rgb(124, 55, 27).
Aa
White text reads best on this color (8.68:1).
About this color
#7C371B is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.104 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.031 away. White text reads best on it, at 8.68:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #7C371B |
| RGB | rgb(124, 55, 27) |
| HSL | hsl(17, 64%, 30%) |
| OKLCH | oklch(42.5% 0.104 41.4) |
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 #7C371B | 8.68:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #7C371B | 2.41:1 | Fails | Lc 14.7 | Not readable |
| #7C371B text on white | 8.68:1 | AAA | Lc 89.2 | Fine for body text |
| #7C371B text on black | 2.41:1 | Fails | Lc -13.0 | Not readable |
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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EED2C8
oklch(88.4% 0.034 40.7)
-
Step 300
300
#E4B4A3
oklch(80.9% 0.061 40.4)
-
Step 400
400
#D58C70
oklch(70.8% 0.098 41.7)
-
Step 500
500
#C76D4A
oklch(63% 0.124 41.6)
-
Step 600
600
#B3532C
oklch(55.6% 0.136 41.4)
-
Step 700
700
#9A431F
oklch(49.2% 0.126 41.3)
-
Step 800
800 (this color)
#7C371B
oklch(42.5% 0.104 41.4)
-
Step 900
900
#65311D
oklch(37.8% 0.081 41.1)
-
Step 950
950
#3B1D12
oklch(27% 0.051 40.6)
#7C371B 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) | #4A4218 | 0.100 |
| Deuteranopia (no green cones) | #5B5119 | 0.091 |
| Tritanopia (no blue cones) | #882831 | 0.051 |
| Achromatopsia (no color) | #4B4B4B | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C371B
#7C371B
oklch(42.5% 0.104 41.4)
- #00576C
#00576C
oklch(42.3% 0.078 221.5)
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 #7C371B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.031
- Red Brown #8B2E16 ΔE 0.032
- Chestnut #742802 ΔE 0.040
- Brown Red #922B05 ΔE 0.046
- Saddle Brown #8B4513 ΔE 0.050
- Milk Chocolate #7F4E1E ΔE 0.059
- Brick Red #8F1402 ΔE 0.059
- Purple Brown #673A3F ΔE 0.060
Use #7C371B 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.