#7D381B
Closest named color: Rust Brown (#8B3103). oklch(42.8% 0.105 41.9), rgb(125, 56, 27).
Aa
White text reads best on this color (8.55:1).
About this color
#7D381B is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.105 and its hue 42°. 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 8.55:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.45:1 |
| White text | 8.55:1 |
Values
| HEX | #7D381B |
| RGB | rgb(125, 56, 27) |
| HSL | hsl(18, 64%, 30%) |
| OKLCH | oklch(42.8% 0.105 41.9) |
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 #7D381B | 8.55:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #7D381B | 2.45:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #7D381B text on white | 8.55:1 | AAA | Lc 88.9 | Fine for body text |
| #7D381B text on black | 2.45:1 | Fails | Lc -13.3 | 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
#EED2C8
oklch(88.4% 0.034 40.7)
-
Step 300
300
#E4B4A2
oklch(80.8% 0.061 41.5)
-
Step 400
400
#D58C70
oklch(70.8% 0.098 41.7)
-
Step 500
500
#C76D49
oklch(63% 0.125 42)
-
Step 600
600
#B3532B
oklch(55.6% 0.136 41.8)
-
Step 700
700
#9A431E
oklch(49.2% 0.127 41.7)
-
Step 800
800 (this color)
#7D381B
oklch(42.8% 0.105 41.9)
-
Step 900
900
#65311C
oklch(37.8% 0.082 41.9)
-
Step 950
950
#3B1D11
oklch(26.9% 0.052 42.1)
#7D381B 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) | #4B4317 | 0.100 |
| Deuteranopia (no green cones) | #5C5219 | 0.091 |
| Tritanopia (no blue cones) | #8A2932 | 0.053 |
| Achromatopsia (no color) | #4C4C4C | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7D381B
#7D381B
oklch(42.8% 0.105 41.9)
- #00586E
#00586E
oklch(42.7% 0.079 222.3)
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 #7D381B, 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 0.031
- Chestnut #742802 ΔE 0.043
- Brown Red #922B05 ΔE 0.044
- Saddle Brown #8B4513 ΔE 0.047
- Milk Chocolate #7F4E1E ΔE 0.056
- Brick Red #8F1402 ΔE 0.060
- Purple Brown #673A3F ΔE 0.062
Use #7D381B 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.