#81231F
Closest named color: Brick Red (#8F1402). oklch(40.6% 0.129 27), rgb(129, 35, 31).
Aa
White text reads best on this color (9.57:1).
About this color
#81231F is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.129 and its hue 27°. 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 9.57:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.19:1 |
| White text | 9.57:1 |
Values
| HEX | #81231F |
| RGB | rgb(129, 35, 31) |
| HSL | hsl(2, 61%, 31%) |
| OKLCH | oklch(40.6% 0.129 27) |
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 #81231F | 9.57:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #81231F | 2.19:1 | Fails | Lc 12.9 | Not readable |
| #81231F text on white | 9.57:1 | AAA | Lc 91.1 | Preferred for body text |
| #81231F text on black | 2.19:1 | Fails | Lc -11.2 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F4CFCA
oklch(88.5% 0.042 27)
-
Step 300
300
#EEAEA6
oklch(80.8% 0.076 26.9)
-
Step 400
400
#E28177
oklch(70.6% 0.121 26.8)
-
Step 500
500
#D75E54
oklch(63.1% 0.155 27.1)
-
Step 600
600
#C24039
oklch(55.6% 0.167 27)
-
Step 700
700
#A7302B
oklch(49% 0.156 27)
-
Step 800
800 (this color)
#81231F
oklch(40.6% 0.129 27)
-
Step 900
900
#6D2722
oklch(37.6% 0.101 27.1)
-
Step 950
950
#401815
oklch(26.9% 0.063 26.5)
#81231F 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) | #3E381E | 0.138 |
| Deuteranopia (no green cones) | #564D1C | 0.127 |
| Tritanopia (no blue cones) | #8E0123 | 0.040 |
| Achromatopsia (no color) | #454545 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81231F
#81231F
oklch(40.6% 0.129 27)
- #00545C
#00545C
oklch(40.7% 0.07 205.9)
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 #81231F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.033
- Red Brown #8B2E16 ΔE 0.036
- Dark Red #8B0000 ΔE 0.036
- Maroon #800000 ΔE 0.039
- Chestnut #742802 ΔE 0.039
- Wine Red #7B0323 ΔE 0.046
- Rust Brown #8B3103 ΔE 0.046
- Brown Red #922B05 ΔE 0.047
Use #81231F 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.