#7C370F
Closest named color: Rust Brown (#8B3103). oklch(42.3% 0.108 46.2), rgb(124, 55, 15).
Aa
White text reads best on this color (8.71:1).
About this color
#7C370F is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.108 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.030 away. White text reads best on it, at 8.71:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.41:1 |
| White text | 8.71:1 |
Values
| HEX | #7C370F |
| RGB | rgb(124, 55, 15) |
| HSL | hsl(22, 78%, 27%) |
| OKLCH | oklch(42.3% 0.108 46.2) |
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 #7C370F | 8.71:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #7C370F | 2.41:1 | Fails | Lc 14.7 | Not readable |
| #7C370F text on white | 8.71:1 | AAA | Lc 89.3 | Fine for body text |
| #7C370F text on black | 2.41:1 | Fails | Lc -12.9 | 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
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EED3C6
oklch(88.6% 0.035 47.4)
-
Step 300
300
#E4B59F
oklch(81% 0.063 46.4)
-
Step 400
400
#D58C6A
oklch(70.7% 0.101 45.6)
-
Step 500
500
#C86E40
oklch(63.2% 0.129 46.4)
-
Step 600
600
#B3531D
oklch(55.5% 0.14 45.9)
-
Step 700
700
#9A430E
oklch(49.1% 0.131 45.9)
-
Step 800
800 (this color)
#7C370F
oklch(42.3% 0.108 46.2)
-
Step 900
900
#653116
oklch(37.7% 0.084 46)
-
Step 950
950
#3B1D0E
oklch(26.9% 0.053 46.1)
#7C370F 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) | #4B4108 | 0.099 |
| Deuteranopia (no green cones) | #5C510D | 0.089 |
| Tritanopia (no blue cones) | #89272F | 0.059 |
| Achromatopsia (no color) | #4B4B4B | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C370F
#7C370F
oklch(42.3% 0.108 46.2)
- #005670
#005670
oklch(42.3% 0.081 226.9)
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 #7C370F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.030
- Red Brown #8B2E16 ΔE 0.035
- Chestnut #742802 ΔE 0.039
- Brown Red #922B05 ΔE 0.046
- Saddle Brown #8B4513 ΔE 0.048
- Milk Chocolate #7F4E1E ΔE 0.057
- Brick Red #8F1402 ΔE 0.061
- Mud Brown #60460F ΔE 0.064
Use #7C370F 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.