#7B310F
Closest named color: Chestnut (#742802). oklch(41.2% 0.112 42), rgb(123, 49, 15).
Aa
White text reads best on this color (9.17:1).
About this color
#7B310F is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.112 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.026 away. White text reads best on it, at 9.17:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.28:1 |
| White text | 9.17:1 |
Values
| HEX | #7B310F |
| RGB | rgb(123, 49, 15) |
| HSL | hsl(19, 78%, 27%) |
| OKLCH | oklch(41.2% 0.112 42) |
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 #7B310F | 9.17:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #7B310F | 2.28:1 | Fails | Lc 13.5 | Not readable |
| #7B310F text on white | 9.17:1 | AAA | Lc 90.5 | Preferred for body text |
| #7B310F text on black | 2.28:1 | Fails | Lc -11.8 | 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
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#EFD2C7
oklch(88.5% 0.036 41.9)
-
Step 300
300
#E6B3A0
oklch(80.8% 0.065 41.4)
-
Step 400
400
#D88A6C
oklch(70.7% 0.105 41.7)
-
Step 500
500
#CB6A43
oklch(63% 0.134 41.9)
-
Step 600
600
#B75022
oklch(55.7% 0.146 42.2)
-
Step 700
700
#9D4014
oklch(49.1% 0.135 42.2)
-
Step 800
800 (this color)
#7B310F
oklch(41.2% 0.112 42)
-
Step 900
900
#672F18
oklch(37.7% 0.088 41.9)
-
Step 950
950
#3D1C0F
oklch(27% 0.056 41.6)
#7B310F 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) | #463D09 | 0.108 |
| Deuteranopia (no green cones) | #584E0C | 0.098 |
| Tritanopia (no blue cones) | #881F2A | 0.055 |
| Achromatopsia (no color) | #484848 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B310F
#7B310F
oklch(41.2% 0.112 42)
- #005468
#005468
oklch(41.3% 0.076 221.1)
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 #7B310F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.026
- Rust Brown #8B3103 ΔE 0.033
- Red Brown #8B2E16 ΔE 0.034
- Brown Red #922B05 ΔE 0.046
- Brick Red #8F1402 ΔE 0.053
- Saddle Brown #8B4513 ΔE 0.061
- Dark Red #8B0000 ΔE 0.061
- Maroon #800000 ΔE 0.063
Use #7B310F 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.