#81231A
Closest named color: Brick Red (#8F1402). oklch(40.5% 0.13 29.4), rgb(129, 35, 26).
Aa
White text reads best on this color (9.59:1).
About this color
#81231A is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.130 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.031 away. White text reads best on it, at 9.59:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.18:1 |
| White text | 9.59:1 |
Values
| HEX | #81231A |
| RGB | rgb(129, 35, 26) |
| HSL | hsl(5, 66%, 30%) |
| OKLCH | oklch(40.5% 0.13 29.4) |
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 #81231A | 9.59:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #81231A | 2.18:1 | Fails | Lc 12.8 | Not readable |
| #81231A text on white | 9.59:1 | AAA | Lc 91.1 | Preferred for body text |
| #81231A text on black | 2.18:1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F4CFC9
oklch(88.4% 0.043 28.8)
-
Step 300
300
#EEAFA4
oklch(81% 0.076 30)
-
Step 400
400
#E28273
oklch(70.7% 0.121 29.8)
-
Step 500
500
#D75E4F
oklch(63.1% 0.156 29.3)
-
Step 600
600
#C24032
oklch(55.5% 0.168 29.6)
-
Step 700
700
#A73025
oklch(49% 0.157 29.3)
-
Step 800
800 (this color)
#81231A
oklch(40.5% 0.13 29.4)
-
Step 900
900
#6D281F
oklch(37.7% 0.1 29.9)
-
Step 950
950
#401813
oklch(26.9% 0.064 29.2)
#81231A 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) | #3F3818 | 0.137 |
| Deuteranopia (no green cones) | #564D16 | 0.127 |
| Tritanopia (no blue cones) | #8E0022 | 0.042 |
| Achromatopsia (no color) | #454545 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81231A
#81231A
oklch(40.5% 0.13 29.4)
- #00535E
#00535E
oklch(40.5% 0.07 210.1)
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 #81231A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.031
- Red Brown #8B2E16 ΔE 0.034
- Dark Red #8B0000 ΔE 0.034
- Chestnut #742802 ΔE 0.036
- Maroon #800000 ΔE 0.038
- Rust Brown #8B3103 ΔE 0.043
- Brown Red #922B05 ΔE 0.045
- Wine Red #7B0323 ΔE 0.049
Use #81231A 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.