#81390E
Closest named color: Rust Brown (#8B3103). oklch(43.5% 0.112 46.4), rgb(129, 57, 14).
Aa
White text reads best on this color (8.31:1).
About this color
#81390E is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.112 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.023 away. White text reads best on it, at 8.31:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.52:1 |
| White text | 8.31:1 |
Values
| HEX | #81390E |
| RGB | rgb(129, 57, 14) |
| HSL | hsl(22, 80%, 28%) |
| OKLCH | oklch(43.5% 0.112 46.4) |
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 #81390E | 8.31:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #81390E | 2.52:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #81390E text on white | 8.31:1 | AAA | Lc 88.1 | Fine for body text |
| #81390E text on black | 2.52:1 | Fails | Lc -14.0 | 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
#F5E6DF
oklch(93.5% 0.019 46.8)
-
Step 200
200
#EFD2C5
oklch(88.4% 0.037 45.6)
-
Step 300
300
#E5B49D
oklch(80.8% 0.065 46.4)
-
Step 400
400
#D78B67
oklch(70.7% 0.106 45.9)
-
Step 500
500
#CA6C3C
oklch(63.1% 0.134 46.1)
-
Step 600
600
#B55215
oklch(55.6% 0.145 46.5)
-
Step 700
700
#9C4203
oklch(49.2% 0.135 46.6)
-
Step 800
800 (this color)
#81390E
oklch(43.5% 0.112 46.4)
-
Step 900
900
#663013
oklch(37.6% 0.088 46.3)
-
Step 950
950
#3C1D0D
oklch(27% 0.055 46.6)
#81390E 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) | #4E4406 | 0.102 |
| Deuteranopia (no green cones) | #5F540B | 0.093 |
| Tritanopia (no blue cones) | #8E2831 | 0.062 |
| Achromatopsia (no color) | #4E4E4E | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81390E
#81390E
oklch(43.5% 0.112 46.4)
- #005A74
#005A74
oklch(43.5% 0.083 225.9)
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 #81390E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.023
- Red Brown #8B2E16 ΔE 0.031
- Saddle Brown #8B4513 ΔE 0.037
- Brown Red #922B05 ΔE 0.039
- Chestnut #742802 ΔE 0.050
- Milk Chocolate #7F4E1E ΔE 0.050
- Medium Brown #7F5112 ΔE 0.060
- Brick Red #8F1402 ΔE 0.061
Use #81390E 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.