#8B1018
Closest named color: Dark Red (#8B0000). oklch(40.9% 0.155 25.3), rgb(139, 16, 24).
Aa
White text reads best on this color (9.61:1).
About this color
#8B1018 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.155 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.017 away. White text reads best on it, at 9.61:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.18:1 |
| White text | 9.61:1 |
Values
| HEX | #8B1018 |
| RGB | rgb(139, 16, 24) |
| HSL | hsl(356, 79%, 30%) |
| OKLCH | oklch(40.9% 0.155 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 #8B1018 | 9.61:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #8B1018 | 2.18:1 | Fails | Lc 13.5 | Not readable |
| #8B1018 text on white | 9.61:1 | AAA | Lc 90.5 | Preferred for body text |
| #8B1018 text on black | 2.18:1 | Fails | Lc -11.8 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F9CDC8
oklch(88.5% 0.05 25.7)
-
Step 300
300
#F6AAA3
oklch(80.9% 0.091 25.1)
-
Step 400
400
#ED7971
oklch(70.7% 0.144 25.4)
-
Step 500
500
#E44F4C
oklch(63.1% 0.186 25.2)
-
Step 600
600
#CF282F
oklch(55.6% 0.201 25.1)
-
Step 700
700
#B31621
oklch(49.1% 0.188 25.3)
-
Step 800
800 (this color)
#8B1018
oklch(40.9% 0.155 25.3)
-
Step 900
900
#751E1D
oklch(37.8% 0.121 25.7)
-
Step 950
950
#451312
oklch(27% 0.077 24.9)
#8B1018 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) | #3A3417 | 0.171 |
| Deuteranopia (no green cones) | #584E12 | 0.154 |
| Tritanopia (no blue cones) | #9A0015 | 0.031 |
| Achromatopsia (no color) | #454545 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B1018
#8B1018
oklch(40.9% 0.155 25.3)
- #00555C
#00555C
oklch(41% 0.07 204.5)
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 #8B1018, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.017
- Brick Red #8F1402 ΔE 0.019
- Blood Red #980002 ΔE 0.029
- Deep Red #9A0200 ΔE 0.033
- Maroon #800000 ΔE 0.034
- Carmine #9D0216 ΔE 0.037
- Red Wine #8C0034 ΔE 0.041
- Red Brown #8B2E16 ΔE 0.044
Use #8B1018 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.