#813E1F
Closest named color: Rust Brown (#8B3103). oklch(44.5% 0.102 43.8), rgb(129, 62, 31).
Aa
White text reads best on this color (7.94:1).
About this color
#813E1F is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.102 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.031 away. White text reads best on it, at 7.94:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.64:1 |
| White text | 7.94:1 |
Values
| HEX | #813E1F |
| RGB | rgb(129, 62, 31) |
| HSL | hsl(19, 61%, 31%) |
| OKLCH | oklch(44.5% 0.102 43.8) |
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 #813E1F | 7.94:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #813E1F | 2.64:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #813E1F text on white | 7.94:1 | AAA | Lc 87.1 | Fine for body text |
| #813E1F text on black | 2.64:1 | Fails | Lc -15.0 | Dividers and decoration only |
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
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EDD3C8
oklch(88.5% 0.033 44.3)
-
Step 300
300
#E3B5A2
oklch(80.9% 0.06 43.6)
-
Step 400
400
#D38D6F
oklch(70.7% 0.096 44)
-
Step 500
500
#C66F48
oklch(63.2% 0.123 44.1)
-
Step 600
600
#B15529
oklch(55.6% 0.133 44.1)
-
Step 700
700
#98451C
oklch(49.1% 0.123 44.1)
-
Step 800
800 (this color)
#813E1F
oklch(44.5% 0.102 43.8)
-
Step 900
900
#64321B
oklch(37.8% 0.08 44.2)
-
Step 950
950
#3B1E11
oklch(27.2% 0.051 44.3)
#813E1F 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) | #51481B | 0.094 |
| Deuteranopia (no green cones) | #61571E | 0.087 |
| Tritanopia (no blue cones) | #8E3037 | 0.054 |
| Achromatopsia (no color) | #515151 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813E1F
#813E1F
oklch(44.5% 0.102 43.8)
- #005D76
#005D76
oklch(44.5% 0.084 224.2)
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 #813E1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.031
- Saddle Brown #8B4513 ΔE 0.031
- Red Brown #8B2E16 ΔE 0.035
- Milk Chocolate #7F4E1E ΔE 0.041
- Brown Red #922B05 ΔE 0.044
- Medium Brown #7F5112 ΔE 0.053
- Chestnut #742802 ΔE 0.060
- Brick #A03623 ΔE 0.063
Use #813E1F 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.