#8B0340
Closest named color: Red Wine (#8C0034). oklch(41.1% 0.163 4.2), rgb(139, 3, 64).
Aa
White text reads best on this color (9.61:1).
About this color
#8B0340 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.163 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.019 away. White text reads best on it, at 9.61:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Red Wine (#8C0034) |
| Black text | 2.18:1 |
| White text | 9.61:1 |
Values
| HEX | #8B0340 |
| RGB | rgb(139, 3, 64) |
| HSL | hsl(333, 96%, 28%) |
| OKLCH | oklch(41.1% 0.163 4.2) |
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 #8B0340 | 9.61:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #8B0340 | 2.18:1 | Fails | Lc 13.9 | Not readable |
| #8B0340 text on white | 9.61:1 | AAA | Lc 90.1 | Preferred for body text |
| #8B0340 text on black | 2.18:1 | Fails | Lc -12.2 | 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FBE3E7
oklch(93.6% 0.027 6.2)
-
Step 200
200
#F9CBD5
oklch(88.5% 0.053 3.6)
-
Step 300
300
#F6A7B9
oklch(81% 0.096 4.5)
-
Step 400
400
#ED7395
oklch(70.7% 0.154 4.2)
-
Step 500
500
#E3477B
oklch(63.1% 0.195 4.4)
-
Step 600
600
#CE1964
oklch(55.6% 0.212 4.4)
-
Step 700
700
#B20053
oklch(49.1% 0.198 4.4)
-
Step 800
800 (this color)
#8B0340
oklch(41.1% 0.163 4.2)
-
Step 900
900
#741839
oklch(37.7% 0.128 4.4)
-
Step 950
950
#441122
oklch(27% 0.08 3.7)
#8B0340 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) | #303541 | 0.187 |
| Deuteranopia (no green cones) | #524E3D | 0.167 |
| Tritanopia (no blue cones) | #980024 | 0.051 |
| Achromatopsia (no color) | #454545 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B0340
#8B0340
oklch(41.1% 0.163 4.2)
- #00574F
#00574F
oklch(41% 0.073 184.2)
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 #8B0340, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Wine #8C0034 ΔE 0.019
- Red Purple #820747 ΔE 0.024
- Wine #80013F ΔE 0.025
- Mulberry #920A4E ΔE 0.026
- Purple Red #990147 ΔE 0.032
- Berry #990F4B ΔE 0.036
- Cranberry #9E003A ΔE 0.044
- Bordeaux #7B002C ΔE 0.046
Use #8B0340 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.