#8A1821
Closest named color: Brick Red (#8F1402). oklch(41.3% 0.148 23.2), rgb(138, 24, 33).
Aa
White text reads best on this color (9.40:1).
About this color
#8A1821 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.148 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.025 away. White text reads best on it, at 9.40:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.23:1 |
| White text | 9.40:1 |
Values
| HEX | #8A1821 |
| RGB | rgb(138, 24, 33) |
| HSL | hsl(355, 70%, 32%) |
| OKLCH | oklch(41.3% 0.148 23.2) |
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 #8A1821 | 9.40:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #8A1821 | 2.23:1 | Fails | Lc 13.7 | Not readable |
| #8A1821 text on white | 9.40:1 | AAA | Lc 90.2 | Preferred for body text |
| #8A1821 text on black | 2.23:1 | Fails | Lc -12.1 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E2
oklch(93.6% 0.024 23.9)
-
Step 200
200
#F8CDCA
oklch(88.4% 0.049 22.8)
-
Step 300
300
#F4ABA6
oklch(81% 0.087 23.5)
-
Step 400
400
#EA7B77
oklch(70.7% 0.138 23.3)
-
Step 500
500
#E05354
oklch(63.1% 0.176 23.2)
-
Step 600
600
#CC2F39
oklch(55.7% 0.193 23.1)
-
Step 700
700
#B01F2B
oklch(49.2% 0.179 23.3)
-
Step 800
800 (this color)
#8A1821
oklch(41.3% 0.148 23.2)
-
Step 900
900
#732022
oklch(37.7% 0.116 23.4)
-
Step 950
950
#441415
oklch(27% 0.074 22.3)
#8A1821 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) | #3C3720 | 0.162 |
| Deuteranopia (no green cones) | #584F1D | 0.148 |
| Tritanopia (no blue cones) | #98001D | 0.030 |
| Achromatopsia (no color) | #464646 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A1821
#8A1821
oklch(41.3% 0.148 23.2)
- #00565C
#00565C
oklch(41.3% 0.07 203)
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 #8A1821, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.025
- Dark Red #8B0000 ΔE 0.027
- Blood Red #980002 ΔE 0.034
- Red Wine #8C0034 ΔE 0.037
- Deep Red #9A0200 ΔE 0.038
- Carmine #9D0216 ΔE 0.039
- Maroon #800000 ΔE 0.040
- Red Brown #8B2E16 ΔE 0.041
Use #8A1821 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.