#8B101B
Closest named color: Dark Red (#8B0000). oklch(40.9% 0.155 24.2), rgb(139, 16, 27).
Aa
White text reads best on this color (9.59:1).
About this color
#8B101B is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.155 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.019 away. White text reads best on it, at 9.59:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.18:1 |
| White text | 9.59:1 |
Values
| HEX | #8B101B |
| RGB | rgb(139, 16, 27) |
| HSL | hsl(355, 79%, 30%) |
| OKLCH | oklch(40.9% 0.155 24.2) |
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 #8B101B | 9.59:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #8B101B | 2.18:1 | Fails | Lc 13.5 | Not readable |
| #8B101B text on white | 9.59:1 | AAA | Lc 90.4 | Preferred for body text |
| #8B101B text on black | 2.18:1 | Fails | Lc -11.9 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F9CDC9
oklch(88.5% 0.05 24.2)
-
Step 300
300
#F6AAA4
oklch(80.9% 0.091 24.3)
-
Step 400
400
#ED7973
oklch(70.7% 0.144 24.4)
-
Step 500
500
#E44F4F
oklch(63.2% 0.185 24.1)
-
Step 600
600
#CF2832
oklch(55.6% 0.201 24.3)
-
Step 700
700
#B31625
oklch(49.2% 0.187 24.2)
-
Step 800
800 (this color)
#8B101B
oklch(40.9% 0.155 24.2)
-
Step 900
900
#741E1F
oklch(37.6% 0.12 24.4)
-
Step 950
950
#451313
oklch(27% 0.077 23.8)
#8B101B 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) | #3A341A | 0.170 |
| Deuteranopia (no green cones) | #584E16 | 0.154 |
| Tritanopia (no blue cones) | #9A0016 | 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°).
- #8B101B
#8B101B
oklch(40.9% 0.155 24.2)
- #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 #8B101B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.019
- Brick Red #8F1402 ΔE 0.022
- Blood Red #980002 ΔE 0.030
- Deep Red #9A0200 ΔE 0.035
- Maroon #800000 ΔE 0.035
- Carmine #9D0216 ΔE 0.037
- Red Wine #8C0034 ΔE 0.038
- Wine Red #7B0323 ΔE 0.043
Use #8B101B 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.