#8C181D
Closest named color: Brick Red (#8F1402). oklch(41.7% 0.15 25), rgb(140, 24, 29).
Aa
White text reads best on this color (9.27:1).
About this color
#8C181D is a dark, vivid red. In OKLCH its lightness is 42%, 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 9.27:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.26:1 |
| White text | 9.27:1 |
Values
| HEX | #8C181D |
| RGB | rgb(140, 24, 29) |
| HSL | hsl(357, 71%, 32%) |
| OKLCH | oklch(41.7% 0.15 25) |
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 #8C181D | 9.27:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #8C181D | 2.26:1 | Fails | Lc 14.1 | Not readable |
| #8C181D text on white | 9.27:1 | AAA | Lc 89.9 | Fine for body text |
| #8C181D text on black | 2.26:1 | Fails | Lc -12.4 | 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
#EB7A73
oklch(70.6% 0.141 24.9)
-
Step 500
500
#E1524F
oklch(63.1% 0.179 24.9)
-
Step 600
600
#CD2D32
oklch(55.6% 0.196 25)
-
Step 700
700
#B11D25
oklch(49.2% 0.182 25)
-
Step 800
800 (this color)
#8C181D
oklch(41.7% 0.15 25)
-
Step 900
900
#73201F
oklch(37.7% 0.117 25.3)
-
Step 950
950
#441413
oklch(27% 0.075 24.6)
#8C181D 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) | #3D371C | 0.164 |
| Deuteranopia (no green cones) | #5A5018 | 0.149 |
| Tritanopia (no blue cones) | #9B001C | 0.032 |
| Achromatopsia (no color) | #474747 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8C181D
#8C181D
oklch(41.7% 0.15 25)
- #00575E
#00575E
oklch(41.7% 0.071 204.3)
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 #8C181D, 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 0.025
- Blood Red #980002 ΔE 0.029
- Deep Red #9A0200 ΔE 0.032
- Carmine #9D0216 ΔE 0.035
- Red Brown #8B2E16 ΔE 0.037
- Auburn #9B2226 ΔE 0.038
- Maroon #800000 ΔE 0.042
Use #8C181D 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.