#813B23
Closest named color: Rust Brown (#8B3103). oklch(44% 0.104 39.2), rgb(129, 59, 35).
Aa
White text reads best on this color (8.12:1).
About this color
#813B23 is a dark, moderately saturated red. In OKLCH its lightness is 44%, its chroma 0.104 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.029 away. White text reads best on it, at 8.12:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.58:1 |
| White text | 8.12:1 |
Values
| HEX | #813B23 |
| RGB | rgb(129, 59, 35) |
| HSL | hsl(15, 57%, 32%) |
| OKLCH | oklch(44% 0.104 39.2) |
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 #813B23 | 8.12:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #813B23 | 2.58:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #813B23 text on white | 8.12:1 | AAA | Lc 87.6 | Fine for body text |
| #813B23 text on black | 2.58:1 | Fails | Lc -14.5 | 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
#EED2C9
oklch(88.5% 0.034 38.6)
-
Step 300
300
#E4B4A4
oklch(80.9% 0.06 39.2)
-
Step 400
400
#D58B73
oklch(70.7% 0.097 38.7)
-
Step 500
500
#C86D4E
oklch(63.2% 0.124 39.4)
-
Step 600
600
#B35331
oklch(55.7% 0.134 39.5)
-
Step 700
700
#9A4224
oklch(49.1% 0.126 38.8)
-
Step 800
800 (this color)
#813B23
oklch(44% 0.104 39.2)
-
Step 900
900
#65311F
oklch(37.8% 0.08 39.5)
-
Step 950
950
#3B1D13
oklch(27% 0.05 39.1)
#813B23 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) | #4E4620 | 0.100 |
| Deuteranopia (no green cones) | #5F5521 | 0.091 |
| Tritanopia (no blue cones) | #8E2D36 | 0.049 |
| Achromatopsia (no color) | #4F4F4F | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813B23
#813B23
oklch(44% 0.104 39.2)
- #005C70
#005C70
oklch(43.9% 0.08 219.3)
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 #813B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.029
- Red Brown #8B2E16 ΔE 0.029
- Saddle Brown #8B4513 ΔE 0.039
- Brown Red #922B05 ΔE 0.041
- Milk Chocolate #7F4E1E ΔE 0.050
- Chestnut #742802 ΔE 0.055
- Brownish Purple #76424E ΔE 0.059
- Brick #A03623 ΔE 0.062
Use #813B23 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.