#831D0D
Closest named color: Brick Red (#8F1402). oklch(40.2% 0.14 31.7), rgb(131, 29, 13).
Aa
White text reads best on this color (9.78:1).
About this color
#831D0D is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.140 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.025 away. White text reads best on it, at 9.78:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.140) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.14:1 |
| White text | 9.78:1 |
Values
| HEX | #831D0D |
| RGB | rgb(131, 29, 13) |
| HSL | hsl(8, 82%, 28%) |
| OKLCH | oklch(40.2% 0.14 31.7) |
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 #831D0D | 9.78:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #831D0D | 2.14:1 | Fails | Lc 12.6 | Not readable |
| #831D0D text on white | 9.78:1 | AAA | Lc 91.4 | Preferred for body text |
| #831D0D text on black | 2.14:1 | Fails | Lc -11.0 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DD
oklch(93.6% 0.031 32.6)
-
Step 200
200
#FDCCC2
oklch(88.5% 0.058 31.6)
-
Step 300
300
#FDA796
oklch(80.9% 0.105 31.7)
-
Step 400
400
#F7725B
oklch(70.7% 0.168 31.6)
-
Step 500
500
#EF4126
oklch(63.1% 0.214 31.7)
-
Step 600
600
#D32200
oklch(55.6% 0.212 31.7)
-
Step 700
700
#B21B00
oklch(49% 0.187 31.7)
-
Step 800
800
#941400
oklch(42.7% 0.164 31.6)
-
Step 900
900 (this color)
#831D0D
oklch(40.2% 0.14 31.7)
-
Step 950
950
#480F07
oklch(26.9% 0.088 31.4)
#831D0D 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) | #3D3509 | 0.148 |
| Deuteranopia (no green cones) | #564C06 | 0.134 |
| Tritanopia (no blue cones) | #91001B | 0.039 |
| Achromatopsia (no color) | #444444 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831D0D
#831D0D
oklch(40.2% 0.14 31.7)
- #00525E
#00525E
oklch(40.2% 0.07 211.6)
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 #831D0D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.025
- Dark Red #8B0000 ΔE 0.025
- Maroon #800000 ΔE 0.030
- Chestnut #742802 ΔE 0.036
- Red Brown #8B2E16 ΔE 0.036
- Blood Red #980002 ΔE 0.044
- Rust Brown #8B3103 ΔE 0.044
- Brown Red #922B05 ΔE 0.045
Use #831D0D 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.