#8B181C
Closest named color: Brick Red (#8F1402). oklch(41.5% 0.15 25.3), rgb(139, 24, 28).
Aa
White text reads best on this color (9.35:1).
About this color
#8B181C is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.150 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.019 away. White text reads best on it, at 9.35:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.24:1 |
| White text | 9.35:1 |
Values
| HEX | #8B181C |
| RGB | rgb(139, 24, 28) |
| HSL | hsl(358, 71%, 32%) |
| OKLCH | oklch(41.5% 0.15 25.3) |
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 #8B181C | 9.35:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #8B181C | 2.24:1 | Fails | Lc 13.9 | Not readable |
| #8B181C text on white | 9.35:1 | AAA | Lc 90.1 | Preferred for body text |
| #8B181C text on black | 2.24:1 | Fails | Lc -12.2 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F8CDC9
oklch(88.4% 0.049 24.3)
-
Step 300
300
#F4ABA4
oklch(80.9% 0.087 25.3)
-
Step 400
400
#EB7B73
oklch(70.8% 0.14 25.4)
-
Step 500
500
#E1524E
oklch(63% 0.179 25.3)
-
Step 600
600
#CC2E32
oklch(55.5% 0.194 25.2)
-
Step 700
700
#B01E24
oklch(49% 0.18 25.5)
-
Step 800
800 (this color)
#8B181C
oklch(41.5% 0.15 25.3)
-
Step 900
900
#73201F
oklch(37.7% 0.117 25.3)
-
Step 950
950
#441413
oklch(27% 0.075 24.6)
#8B181C 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) | #3D371B | 0.163 |
| Deuteranopia (no green cones) | #594F17 | 0.148 |
| Tritanopia (no blue cones) | #9A001B | 0.032 |
| Achromatopsia (no color) | #474747 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B181C
#8B181C
oklch(41.5% 0.15 25.3)
- #00565E
#00565E
oklch(41.4% 0.071 205.7)
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 #8B181C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.019
- Dark Red #8B0000 ΔE 0.023
- Blood Red #980002 ΔE 0.030
- Deep Red #9A0200 ΔE 0.034
- Carmine #9D0216 ΔE 0.037
- Red Brown #8B2E16 ΔE 0.037
- Maroon #800000 ΔE 0.040
- Auburn #9B2226 ΔE 0.041
Use #8B181C 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.