#77370B
Closest named color: Chestnut (#742802). oklch(41.5% 0.104 49.1), rgb(119, 55, 11).
Aa
White text reads best on this color (8.99:1).
About this color
#77370B is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.104 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.035 away. White text reads best on it, at 8.99:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.33:1 |
| White text | 8.99:1 |
Values
| HEX | #77370B |
| RGB | rgb(119, 55, 11) |
| HSL | hsl(24, 83%, 25%) |
| OKLCH | oklch(41.5% 0.104 49.1) |
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 #77370B | 8.99:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #77370B | 2.33:1 | Fails | Lc 13.9 | Not readable |
| #77370B text on white | 8.99:1 | AAA | Lc 90.1 | Preferred for body text |
| #77370B text on black | 2.33:1 | Fails | Lc -12.2 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#EDD3C6
oklch(88.5% 0.034 48.3)
-
Step 300
300
#E2B69F
oklch(81% 0.06 49)
-
Step 400
400
#D28E69
oklch(70.7% 0.097 49.2)
-
Step 500
500
#C57040
oklch(63.1% 0.125 48.6)
-
Step 600
600
#B0571C
oklch(55.7% 0.135 49.3)
-
Step 700
700
#97460D
oklch(49.1% 0.125 48.9)
-
Step 800
800 (this color)
#77370B
oklch(41.5% 0.104 49.1)
-
Step 900
900
#633316
oklch(37.7% 0.08 49.4)
-
Step 950
950
#3A1E0E
oklch(26.9% 0.051 49.1)
#77370B 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) | #4A4003 | 0.091 |
| Deuteranopia (no green cones) | #594F09 | 0.084 |
| Tritanopia (no blue cones) | #83282F | 0.061 |
| Achromatopsia (no color) | #494949 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77370B
#77370B
oklch(41.5% 0.104 49.1)
- #00536F
#00536F
oklch(41.4% 0.082 229.6)
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 #77370B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.035
- Rust Brown #8B3103 ΔE 0.040
- Red Brown #8B2E16 ΔE 0.045
- Brown Red #922B05 ΔE 0.056
- Saddle Brown #8B4513 ΔE 0.056
- Mud Brown #60460F ΔE 0.056
- Milk Chocolate #7F4E1E ΔE 0.061
- Purple Brown #673A3F ΔE 0.065
Use #77370B 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.