#812103
Closest named color: Chestnut (#742802). oklch(40.1% 0.136 35.7), rgb(129, 33, 3).
Aa
White text reads best on this color (9.75:1).
About this color
#812103 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.136 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.028 away. White text reads best on it, at 9.75:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.15:1 |
| White text | 9.75:1 |
Values
| HEX | #812103 |
| RGB | rgb(129, 33, 3) |
| HSL | hsl(14, 95%, 26%) |
| OKLCH | oklch(40.1% 0.136 35.7) |
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 #812103 | 9.75:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #812103 | 2.15:1 | Fails | Lc 12.5 | Not readable |
| #812103 text on white | 9.75:1 | AAA | Lc 91.4 | Preferred for body text |
| #812103 text on black | 2.15:1 | Fails | Lc -10.9 | 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 900.
-
Step 50
50
#FEF2EF
oklch(97% 0.014 34.3)
-
Step 100
100
#FDE4DD
oklch(93.7% 0.029 36.2)
-
Step 200
200
#FCCDC0
oklch(88.6% 0.056 36)
-
Step 300
300
#FBA993
oklch(80.9% 0.102 35.7)
-
Step 400
400
#F47655
oklch(70.7% 0.162 35.7)
-
Step 500
500
#EC4815
oklch(63.2% 0.208 35.7)
-
Step 600
600
#CA3600
oklch(55.5% 0.191 35.7)
-
Step 700
700
#AB2C00
oklch(49% 0.169 35.7)
-
Step 800
800
#8E2300
oklch(42.8% 0.148 35.7)
-
Step 900
900 (this color)
#812103
oklch(40.1% 0.136 35.7)
-
Step 950
950
#471103
oklch(26.9% 0.086 36.1)
#812103 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) | #3F3600 | 0.140 |
| Deuteranopia (no green cones) | #564C00 | 0.127 |
| Tritanopia (no blue cones) | #8F001C | 0.047 |
| Achromatopsia (no color) | #444444 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #812103
#812103
oklch(40.1% 0.136 35.7)
- #005160
#005160
oklch(40.1% 0.071 215.7)
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 #812103, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.028
- Brick Red #8F1402 ΔE 0.030
- Dark Red #8B0000 ΔE 0.033
- Red Brown #8B2E16 ΔE 0.035
- Maroon #800000 ΔE 0.035
- Rust Brown #8B3103 ΔE 0.040
- Brown Red #922B05 ΔE 0.044
- Blood #770001 ΔE 0.048
Use #812103 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.