#8B101F
Closest named color: Dark Red (#8B0000). oklch(41% 0.154 22.6), rgb(139, 16, 31).
Aa
White text reads best on this color (9.58:1).
About this color
#8B101F is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.154 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.023 away. White text reads best on it, at 9.58:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.19:1 |
| White text | 9.58:1 |
Values
| HEX | #8B101F |
| RGB | rgb(139, 16, 31) |
| HSL | hsl(353, 79%, 30%) |
| OKLCH | oklch(41% 0.154 22.6) |
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 #8B101F | 9.58:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #8B101F | 2.19:1 | Fails | Lc 13.6 | Not readable |
| #8B101F text on white | 9.58:1 | AAA | Lc 90.4 | Preferred for body text |
| #8B101F text on black | 2.19:1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE4E2
oklch(93.7% 0.025 23.6)
-
Step 200
200
#F9CDCA
oklch(88.5% 0.05 22.7)
-
Step 300
300
#F6AAA6
oklch(81% 0.09 22.6)
-
Step 400
400
#ED7876
oklch(70.6% 0.145 22.4)
-
Step 500
500
#E34F53
oklch(63.1% 0.184 22.6)
-
Step 600
600
#CF2837
oklch(55.7% 0.201 22.8)
-
Step 700
700
#B2162A
oklch(49% 0.186 22.5)
-
Step 800
800 (this color)
#8B101F
oklch(41% 0.154 22.6)
-
Step 900
900
#741E22
oklch(37.7% 0.119 22.6)
-
Step 950
950
#451314
oklch(27% 0.077 22.7)
#8B101F 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) | #3A351E | 0.170 |
| Deuteranopia (no green cones) | #574E1A | 0.155 |
| Tritanopia (no blue cones) | #9A0018 | 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°).
- #8B101F
#8B101F
oklch(41% 0.154 22.6)
- #00555B
#00555B
oklch(41% 0.07 203.1)
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 #8B101F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.023
- Brick Red #8F1402 ΔE 0.026
- Blood Red #980002 ΔE 0.032
- Red Wine #8C0034 ΔE 0.034
- Deep Red #9A0200 ΔE 0.037
- Maroon #800000 ΔE 0.038
- Carmine #9D0216 ΔE 0.038
- Wine Red #7B0323 ΔE 0.042
Use #8B101F 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.