#8A0318
Closest named color: Dark Red (#8B0000). oklch(40.1% 0.16 23.5), rgb(138, 3, 24).
Aa
White text reads best on this color (9.96:1).
About this color
#8A0318 is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.160 and its hue 24°. 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 9.96:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.10:1 |
| White text | 9.96:1 |
Values
| HEX | #8A0318 |
| RGB | rgb(138, 3, 24) |
| HSL | hsl(351, 96%, 28%) |
| OKLCH | oklch(40.1% 0.16 23.5) |
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 #8A0318 | 9.96:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #8A0318 | 2.10:1 | Fails | Lc 13.1 | Not readable |
| #8A0318 text on white | 9.96:1 | AAA | Lc 90.9 | Preferred for body text |
| #8A0318 text on black | 2.10:1 | Fails | Lc -11.5 | 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 900.
-
Step 50
50
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FFE2E0
oklch(93.6% 0.032 22.5)
-
Step 200
200
#FFCAC6
oklch(88.4% 0.061 23.4)
-
Step 300
300
#FFA59F
oklch(81% 0.108 23.9)
-
Step 400
400
#FF6867
oklch(70.7% 0.185 23.4)
-
Step 500
500
#FB1B38
oklch(63% 0.245 23.5)
-
Step 600
600
#D8002A
oklch(55.6% 0.225 23.5)
-
Step 700
700
#B70022
oklch(49.2% 0.199 23.5)
-
Step 800
800
#97001A
oklch(42.7% 0.172 23.6)
-
Step 900
900 (this color)
#8A0318
oklch(40.1% 0.16 23.5)
-
Step 950
950
#4D050C
oklch(27% 0.102 23.1)
#8A0318 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) | #373117 | 0.177 |
| Deuteranopia (no green cones) | #564C12 | 0.160 |
| Tritanopia (no blue cones) | #99000F | 0.034 |
| Achromatopsia (no color) | #434343 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A0318
#8A0318
oklch(40.1% 0.16 23.5)
- #005259
#005259
oklch(40% 0.068 204.8)
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 #8A0318, 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 0.028
- Maroon #800000 ΔE 0.029
- Blood Red #980002 ΔE 0.034
- Red Wine #8C0034 ΔE 0.037
- Wine Red #7B0323 ΔE 0.037
- Deep Red #9A0200 ΔE 0.039
- Carmine #9D0216 ΔE 0.042
Use #8A0318 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.