#831C0E
Closest named color: Dark Red (#8B0000). oklch(40.1% 0.14 31.1), rgb(131, 28, 14).
Aa
White text reads best on this color (9.82:1).
About this color
#831C0E is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.140 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.024 away. White text reads best on it, at 9.82:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | vivid (0.140) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.13:1 |
| White text | 9.82:1 |
Values
| HEX | #831C0E |
| RGB | rgb(131, 28, 14) |
| HSL | hsl(7, 81%, 28%) |
| OKLCH | oklch(40.1% 0.14 31.1) |
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 #831C0E | 9.82:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #831C0E | 2.13:1 | Fails | Lc 12.5 | Not readable |
| #831C0E text on white | 9.82:1 | AAA | Lc 91.4 | Preferred for body text |
| #831C0E text on black | 2.13:1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DE
oklch(93.6% 0.031 30.2)
-
Step 200
200
#FDCCC2
oklch(88.5% 0.058 31.6)
-
Step 300
300
#FDA797
oklch(80.9% 0.105 31)
-
Step 400
400
#F7725C
oklch(70.7% 0.168 31.2)
-
Step 500
500
#EF4028
oklch(63% 0.215 31.1)
-
Step 600
600
#D41D00
oklch(55.5% 0.216 31.1)
-
Step 700
700
#B41700
oklch(49.2% 0.191 31.1)
-
Step 800
800
#951100
oklch(42.8% 0.166 31.1)
-
Step 900
900 (this color)
#831C0E
oklch(40.1% 0.14 31.1)
-
Step 950
950
#490F07
oklch(27.1% 0.089 31.3)
#831C0E 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) | #3C350A | 0.150 |
| Deuteranopia (no green cones) | #564C07 | 0.136 |
| Tritanopia (no blue cones) | #91001A | 0.037 |
| Achromatopsia (no color) | #434343 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831C0E
#831C0E
oklch(40.1% 0.14 31.1)
- #00525D
#00525D
oklch(40.2% 0.07 210.3)
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 #831C0E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.024
- Brick Red #8F1402 ΔE 0.025
- Maroon #800000 ΔE 0.029
- Chestnut #742802 ΔE 0.037
- Red Brown #8B2E16 ΔE 0.038
- Blood Red #980002 ΔE 0.044
- Blood #770001 ΔE 0.044
- Brown Red #922B05 ΔE 0.046
Use #831C0E 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.