#811F1D
Closest named color: Dark Red (#8B0000). oklch(40.2% 0.133 26.5), rgb(129, 31, 29).
Aa
White text reads best on this color (9.78:1).
About this color
#811F1D is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.133 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.032 away. White text reads best on it, at 9.78:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.14:1 |
| White text | 9.78:1 |
Values
| HEX | #811F1D |
| RGB | rgb(129, 31, 29) |
| HSL | hsl(1, 63%, 31%) |
| OKLCH | oklch(40.2% 0.133 26.5) |
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 #811F1D | 9.78:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #811F1D | 2.14:1 | Fails | Lc 12.5 | Not readable |
| #811F1D text on white | 9.78:1 | AAA | Lc 91.5 | Preferred for body text |
| #811F1D text on black | 2.14:1 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FCCCC6
oklch(88.5% 0.055 26.5)
-
Step 300
300
#FBA89E
oklch(81% 0.1 27)
-
Step 400
400
#F47369
oklch(70.6% 0.161 26.4)
-
Step 500
500
#EC4440
oklch(63.1% 0.205 26.4)
-
Step 600
600
#D70C1E
oklch(55.6% 0.222 26.4)
-
Step 700
700
#B70015
oklch(49% 0.2 26.4)
-
Step 800
800
#970411
oklch(42.7% 0.172 26.5)
-
Step 900
900 (this color)
#811F1D
oklch(40.2% 0.133 26.5)
-
Step 950
950
#47100E
oklch(26.9% 0.084 26.6)
#811F1D 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) | #3C361C | 0.144 |
| Deuteranopia (no green cones) | #544B19 | 0.131 |
| Tritanopia (no blue cones) | #8E0020 | 0.035 |
| Achromatopsia (no color) | #444444 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #811F1D
#811F1D
oklch(40.2% 0.133 26.5)
- #00525B
#00525B
oklch(40.1% 0.069 207.5)
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 #811F1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.032
- Brick Red #8F1402 ΔE 0.032
- Maroon #800000 ΔE 0.033
- Red Brown #8B2E16 ΔE 0.040
- Chestnut #742802 ΔE 0.040
- Wine Red #7B0323 ΔE 0.041
- Blood #770001 ΔE 0.046
- Blood Red #980002 ΔE 0.049
Use #811F1D 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.