#811F15
Closest named color: Dark Red (#8B0000). oklch(40.1% 0.135 29.9), rgb(129, 31, 21).
Aa
White text reads best on this color (9.81:1).
About this color
#811F15 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.135 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.030 away. White text reads best on it, at 9.81:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.135) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.14:1 |
| White text | 9.81:1 |
Values
| HEX | #811F15 |
| RGB | rgb(129, 31, 21) |
| HSL | hsl(6, 72%, 29%) |
| OKLCH | oklch(40.1% 0.135 29.9) |
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 #811F15 | 9.81:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #811F15 | 2.14:1 | Fails | Lc 12.4 | Not readable |
| #811F15 text on white | 9.81:1 | AAA | Lc 91.5 | Preferred for body text |
| #811F15 text on black | 2.14:1 | Fails | Lc -10.8 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FDE3DE
oklch(93.6% 0.03 30.6)
-
Step 200
200
#FCCCC4
oklch(88.5% 0.056 29.2)
-
Step 300
300
#FBA89A
oklch(80.9% 0.101 30)
-
Step 400
400
#F47462
oklch(70.6% 0.161 29.8)
-
Step 500
500
#EC4533
oklch(63.1% 0.206 30)
-
Step 600
600
#D70E00
oklch(55.5% 0.223 29.9)
-
Step 700
700
#B60A00
oklch(49% 0.197 29.9)
-
Step 800
800
#970700
oklch(42.7% 0.172 29.9)
-
Step 900
900 (this color)
#811F15
oklch(40.1% 0.135 29.9)
-
Step 950
950
#48100A
oklch(27.1% 0.086 29.8)
#811F15 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) | #3D3613 | 0.143 |
| Deuteranopia (no green cones) | #554B10 | 0.130 |
| Tritanopia (no blue cones) | #8F001E | 0.039 |
| Achromatopsia (no color) | #444444 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #811F15
#811F15
oklch(40.1% 0.135 29.9)
- #00525C
#00525C
oklch(40.1% 0.069 208.9)
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 #811F15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.030
- Brick Red #8F1402 ΔE 0.030
- Maroon #800000 ΔE 0.031
- Chestnut #742802 ΔE 0.035
- Red Brown #8B2E16 ΔE 0.038
- Blood #770001 ΔE 0.045
- Wine Red #7B0323 ΔE 0.045
- Rust Brown #8B3103 ΔE 0.047
Use #811F15 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.