#831804
Closest named color: Dark Red (#8B0000). oklch(39.7% 0.144 32.4), rgb(131, 24, 4).
Aa
White text reads best on this color (10.01:1).
About this color
#831804 is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.144 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.022 away. White text reads best on it, at 10.01:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.09:1 |
| White text | 10.01:1 |
Values
| HEX | #831804 |
| RGB | rgb(131, 24, 4) |
| HSL | hsl(9, 94%, 26%) |
| OKLCH | oklch(39.7% 0.144 32.4) |
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 #831804 | 10.01:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #831804 | 2.09:1 | Fails | Lc 12.2 | Not readable |
| #831804 text on white | 10.01:1 | AAA | Lc 91.7 | Preferred for body text |
| #831804 text on black | 2.09:1 | Fails | Lc -10.7 | 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FEE3DD
oklch(93.6% 0.031 32.6)
-
Step 200
200
#FECBC0
oklch(88.4% 0.06 32.3)
-
Step 300
300
#FEA694
oklch(80.8% 0.108 32.1)
-
Step 400
400
#F97056
oklch(70.6% 0.173 32.5)
-
Step 500
500
#F23C1B
oklch(63.1% 0.222 32.3)
-
Step 600
600
#D12700
oklch(55.6% 0.208 32.5)
-
Step 700
700
#B11F00
oklch(49.1% 0.184 32.4)
-
Step 800
800
#931800
oklch(42.8% 0.16 32.4)
-
Step 900
900 (this color)
#831804
oklch(39.7% 0.144 32.4)
-
Step 950
950
#490E04
oklch(27% 0.091 32.9)
#831804 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) | #3B3300 | 0.154 |
| Deuteranopia (no green cones) | #554B00 | 0.138 |
| Tritanopia (no blue cones) | #910015 | 0.036 |
| Achromatopsia (no color) | #424242 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831804
#831804
oklch(39.7% 0.144 32.4)
- #00505D
#00505D
oklch(39.6% 0.069 213.3)
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 #831804, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.022
- Maroon #800000 ΔE 0.024
- Brick Red #8F1402 ΔE 0.025
- Chestnut #742802 ΔE 0.037
- Blood #770001 ΔE 0.040
- Red Brown #8B2E16 ΔE 0.042
- Blood Red #980002 ΔE 0.044
- Wine Red #7B0323 ΔE 0.047
Use #831804 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.