#831E18
Closest named color: Brick Red (#8F1402). oklch(40.4% 0.137 28.4), rgb(131, 30, 24).
Aa
White text reads best on this color (9.70:1).
About this color
#831E18 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.137 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.027 away. White text reads best on it, at 9.70:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #831E18 |
| RGB | rgb(131, 30, 24) |
| HSL | hsl(3, 69%, 30%) |
| OKLCH | oklch(40.4% 0.137 28.4) |
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 #831E18 | 9.70:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #831E18 | 2.16:1 | Fails | Lc 12.7 | Not readable |
| #831E18 text on white | 9.70:1 | AAA | Lc 91.2 | Preferred for body text |
| #831E18 text on black | 2.16:1 | Fails | Lc -11.1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#F9E4E1
oklch(93.5% 0.023 27.3)
-
Step 200
200
#F5CFC9
oklch(88.5% 0.044 28.5)
-
Step 300
300
#F0ADA4
oklch(80.8% 0.08 27.6)
-
Step 400
400
#E57F72
oklch(70.6% 0.128 28.4)
-
Step 500
500
#DB5A4D
oklch(63.1% 0.165 28.4)
-
Step 600
600
#C63A30
oklch(55.5% 0.178 28.4)
-
Step 700
700
#AB2B23
oklch(49.2% 0.166 28.4)
-
Step 800
800 (this color)
#831E18
oklch(40.4% 0.137 28.4)
-
Step 900
900
#70251E
oklch(37.8% 0.108 28.5)
-
Step 950
950
#421712
oklch(27.1% 0.068 29)
#831E18 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) | #3D3616 | 0.147 |
| Deuteranopia (no green cones) | #564C13 | 0.133 |
| Tritanopia (no blue cones) | #91001E | 0.036 |
| Achromatopsia (no color) | #444444 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831E18
#831E18
oklch(40.4% 0.137 28.4)
- #00535C
#00535C
oklch(40.4% 0.069 207.4)
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 #831E18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.027
- Dark Red #8B0000 ΔE 0.027
- Maroon #800000 ΔE 0.032
- Red Brown #8B2E16 ΔE 0.037
- Chestnut #742802 ΔE 0.040
- Wine Red #7B0323 ΔE 0.044
- Blood Red #980002 ΔE 0.044
- Brown Red #922B05 ΔE 0.046
Use #831E18 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.