#7B3717
Closest named color: Rust Brown (#8B3103). oklch(42.3% 0.105 43.5), rgb(123, 55, 23).
Aa
White text reads best on this color (8.74:1).
About this color
#7B3717 is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.105 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.033 away. White text reads best on it, at 8.74:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.40:1 |
| White text | 8.74:1 |
Values
| HEX | #7B3717 |
| RGB | rgb(123, 55, 23) |
| HSL | hsl(19, 68%, 29%) |
| OKLCH | oklch(42.3% 0.105 43.5) |
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 #7B3717 | 8.74:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #7B3717 | 2.40:1 | Fails | Lc 14.6 | Not readable |
| #7B3717 text on white | 8.74:1 | AAA | Lc 89.4 | Fine for body text |
| #7B3717 text on black | 2.40:1 | Fails | Lc -12.8 | 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
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EED3C8
oklch(88.6% 0.034 43.5)
-
Step 300
300
#E4B5A1
oklch(81% 0.061 44.2)
-
Step 400
400
#D48C6E
oklch(70.6% 0.098 43.4)
-
Step 500
500
#C76E47
oklch(63.1% 0.125 43.6)
-
Step 600
600
#B25428
oklch(55.6% 0.135 43.6)
-
Step 700
700
#99441A
oklch(49.1% 0.126 43.8)
-
Step 800
800 (this color)
#7B3717
oklch(42.3% 0.105 43.5)
-
Step 900
900
#64311B
oklch(37.6% 0.081 43)
-
Step 950
950
#3B1D10
oklch(26.9% 0.052 43.5)
#7B3717 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) | #4A4113 | 0.098 |
| Deuteranopia (no green cones) | #5B5115 | 0.090 |
| Tritanopia (no blue cones) | #872830 | 0.054 |
| Achromatopsia (no color) | #4B4B4B | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B3717
#7B3717
oklch(42.3% 0.105 43.5)
- #00576D
#00576D
oklch(42.4% 0.079 222.6)
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 #7B3717, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.033
- Red Brown #8B2E16 ΔE 0.035
- Chestnut #742802 ΔE 0.038
- Brown Red #922B05 ΔE 0.047
- Saddle Brown #8B4513 ΔE 0.051
- Milk Chocolate #7F4E1E ΔE 0.059
- Brick Red #8F1402 ΔE 0.061
- Purple Brown #673A3F ΔE 0.061
Use #7B3717 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.