#7C370C
Closest named color: Rust Brown (#8B3103). oklch(42.3% 0.109 47), rgb(124, 55, 12).
Aa
White text reads best on this color (8.71:1).
About this color
#7C370C is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.109 and its hue 47°. 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 8.71:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.40:1 |
| White text | 8.71:1 |
Values
| HEX | #7C370C |
| RGB | rgb(124, 55, 12) |
| HSL | hsl(23, 82%, 27%) |
| OKLCH | oklch(42.3% 0.109 47) |
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 #7C370C | 8.71:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #7C370C | 2.40:1 | Fails | Lc 14.7 | Not readable |
| #7C370C text on white | 8.71:1 | AAA | Lc 89.3 | Fine for body text |
| #7C370C text on black | 2.40:1 | 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
#E4B59E
oklch(80.9% 0.063 47.4)
-
Step 400
400
#D58C68
oklch(70.6% 0.102 46.8)
-
Step 500
500
#C86E3E
oklch(63.1% 0.13 47.2)
-
Step 600
600
#B35419
oklch(55.6% 0.141 47.4)
-
Step 700
700
#9A4308
oklch(49% 0.132 46.9)
-
Step 800
800 (this color)
#7C370C
oklch(42.3% 0.109 47)
-
Step 900
900
#653115
oklch(37.7% 0.085 46.6)
-
Step 950
950
#3B1D0D
oklch(26.9% 0.054 47.4)
#7C370C 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) | #4B4104 | 0.099 |
| Deuteranopia (no green cones) | #5C5109 | 0.089 |
| Tritanopia (no blue cones) | #89272F | 0.060 |
| Achromatopsia (no color) | #4B4B4B | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C370C
#7C370C
oklch(42.3% 0.109 47)
- #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 #7C370C, 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 0.036
- Chestnut #742802 ΔE 0.039
- Brown Red #922B05 ΔE 0.047
- Saddle Brown #8B4513 ΔE 0.048
- Milk Chocolate #7F4E1E ΔE 0.057
- Brick Red #8F1402 ΔE 0.062
- Mud Brown #60460F ΔE 0.064
Use #7C370C 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.