#831F23
Closest named color: Brick Red (#8F1402). oklch(40.6% 0.135 23.6), rgb(131, 31, 35).
Aa
White text reads best on this color (9.60:1).
About this color
#831F23 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.135 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.033 away. White text reads best on it, at 9.60:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.135) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.18:1 |
| White text | 9.60:1 |
Values
| HEX | #831F23 |
| RGB | rgb(131, 31, 35) |
| HSL | hsl(358, 62%, 32%) |
| OKLCH | oklch(40.6% 0.135 23.6) |
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 #831F23 | 9.60:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #831F23 | 2.18:1 | Fails | Lc 12.9 | Not readable |
| #831F23 text on white | 9.60:1 | AAA | Lc 91.1 | Preferred for body text |
| #831F23 text on black | 2.18:1 | Fails | Lc -11.3 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#F9E4E3
oklch(93.5% 0.023 20.9)
-
Step 200
200
#F5CFCB
oklch(88.6% 0.043 25.1)
-
Step 300
300
#EFADA8
oklch(80.8% 0.078 23.8)
-
Step 400
400
#E47F7A
oklch(70.6% 0.126 23.7)
-
Step 500
500
#DA5A58
oklch(63.1% 0.162 23.8)
-
Step 600
600
#C53B3E
oklch(55.7% 0.175 23.7)
-
Step 700
700
#AA2B30
oklch(49.1% 0.163 23.7)
-
Step 800
800 (this color)
#831F23
oklch(40.6% 0.135 23.6)
-
Step 900
900
#6F2525
oklch(37.7% 0.105 23.6)
-
Step 950
950
#411716
oklch(27% 0.066 23.9)
#831F23 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) | #3C3722 | 0.147 |
| Deuteranopia (no green cones) | #554D20 | 0.135 |
| Tritanopia (no blue cones) | #900022 | 0.033 |
| Achromatopsia (no color) | #454545 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831F23
#831F23
oklch(40.6% 0.135 23.6)
- #00545A
#00545A
oklch(40.6% 0.069 203.2)
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 #831F23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.033
- Dark Red #8B0000 ΔE 0.033
- Maroon #800000 ΔE 0.038
- Wine Red #7B0323 ΔE 0.040
- Red Brown #8B2E16 ΔE 0.040
- Red Wine #8C0034 ΔE 0.044
- Blood Red #980002 ΔE 0.047
- Chestnut #742802 ΔE 0.048
Use #831F23 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.