#813703
Closest named color: Rust Brown (#8B3103). oklch(43.1% 0.116 47.5), rgb(129, 55, 3).
Aa
White text reads best on this color (8.46:1).
About this color
#813703 is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.116 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.022 away. White text reads best on it, at 8.46:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.116) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.48:1 |
| White text | 8.46:1 |
Values
| HEX | #813703 |
| RGB | rgb(129, 55, 3) |
| HSL | hsl(25, 95%, 26%) |
| OKLCH | oklch(43.1% 0.116 47.5) |
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 #813703 | 8.46:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #813703 | 2.48:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #813703 text on white | 8.46:1 | AAA | Lc 88.5 | Fine for body text |
| #813703 text on black | 2.48:1 | Fails | Lc -13.7 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#EFD2C4
oklch(88.4% 0.038 47.4)
-
Step 300
300
#E6B49B
oklch(80.9% 0.068 47.9)
-
Step 400
400
#D88B63
oklch(70.7% 0.109 47.9)
-
Step 500
500
#CC6B36
oklch(63.1% 0.14 47.1)
-
Step 600
600
#B75104
oklch(55.7% 0.151 47.7)
-
Step 700
700
#9B4200
oklch(49% 0.135 47.3)
-
Step 800
800 (this color)
#813703
oklch(43.1% 0.116 47.5)
-
Step 900
900
#67300F
oklch(37.8% 0.09 47.8)
-
Step 950
950
#3D1C0B
oklch(27% 0.058 46.2)
#813703 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) | #4D4200 | 0.104 |
| Deuteranopia (no green cones) | #5F5300 | 0.094 |
| Tritanopia (no blue cones) | #8E252E | 0.064 |
| Achromatopsia (no color) | #4D4D4D | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813703
#813703
oklch(43.1% 0.116 47.5)
- #005874
#005874
oklch(43% 0.084 228.3)
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 #813703, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.022
- Red Brown #8B2E16 ΔE 0.031
- Brown Red #922B05 ΔE 0.039
- Saddle Brown #8B4513 ΔE 0.041
- Chestnut #742802 ΔE 0.046
- Milk Chocolate #7F4E1E ΔE 0.054
- Brick Red #8F1402 ΔE 0.059
- Medium Brown #7F5112 ΔE 0.063
Use #813703 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.