#8B0A21
Closest named color: Dark Red (#8B0000). oklch(40.7% 0.157 20.9), rgb(139, 10, 33).
Aa
White text reads best on this color (9.70:1).
About this color
#8B0A21 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.157 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.025 away. White text reads best on it, at 9.70:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #8B0A21 |
| RGB | rgb(139, 10, 33) |
| HSL | hsl(349, 87%, 29%) |
| OKLCH | oklch(40.7% 0.157 20.9) |
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 #8B0A21 | 9.70:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #8B0A21 | 2.16:1 | Fails | Lc 13.4 | Not readable |
| #8B0A21 text on white | 9.70:1 | AAA | Lc 90.5 | Preferred for body text |
| #8B0A21 text on black | 2.16:1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E2
oklch(93.5% 0.026 20.5)
-
Step 200
200
#F9CCCB
oklch(88.4% 0.051 19.7)
-
Step 300
300
#F6A9A7
oklch(80.8% 0.091 20.9)
-
Step 400
400
#EE7778
oklch(70.7% 0.147 21)
-
Step 500
500
#E54C56
oklch(63.1% 0.189 20.8)
-
Step 600
600
#D0233B
oklch(55.6% 0.204 20.9)
-
Step 700
700
#B3102D
oklch(49% 0.19 21)
-
Step 800
800 (this color)
#8B0A21
oklch(40.7% 0.157 20.9)
-
Step 900
900
#751C24
oklch(37.7% 0.122 20.6)
-
Step 950
950
#451215
oklch(26.9% 0.078 20.8)
#8B0A21 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) | #383321 | 0.174 |
| Deuteranopia (no green cones) | #564D1C | 0.158 |
| Tritanopia (no blue cones) | #9A0016 | 0.033 |
| Achromatopsia (no color) | #444444 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B0A21
#8B0A21
oklch(40.7% 0.157 20.9)
- #005459
#005459
oklch(40.6% 0.069 201.8)
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 #8B0A21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.025
- Red Wine #8C0034 ΔE 0.029
- Brick Red #8F1402 ΔE 0.031
- Blood Red #980002 ΔE 0.035
- Maroon #800000 ΔE 0.038
- Wine Red #7B0323 ΔE 0.039
- Deep Red #9A0200 ΔE 0.040
- Carmine #9D0216 ΔE 0.040
Use #8B0A21 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.