#6C0431
Closest named color: Merlot (#730039). oklch(34.5% 0.135 4), rgb(108, 4, 49).
Aa
White text reads best on this color (12.35:1).
About this color
#6C0431 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.135 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.020 away. White text reads best on it, at 12.35:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.135) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.69:1 |
| White text | 12.35:1 |
Values
| HEX | #6C0431 |
| RGB | rgb(108, 4, 49) |
| HSL | hsl(334, 93%, 22%) |
| OKLCH | oklch(34.5% 0.135 4) |
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 #6C0431 | 12.35:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #6C0431 | 1.69:1 | Fails | Lc 7.6 | Not readable |
| #6C0431 text on white | 12.35:1 | AAA | Lc 96.3 | Preferred for body text |
| #6C0431 text on black | 1.69:1 | Fails | Lc 0.0 | 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FCE2E7
oklch(93.5% 0.029 4.5)
-
Step 200
200
#FBCAD5
oklch(88.5% 0.057 3.3)
-
Step 300
300
#F8A5B9
oklch(80.9% 0.101 3.8)
-
Step 400
400
#F17095
oklch(70.8% 0.162 4.1)
-
Step 500
500
#E73F7B
oklch(63% 0.207 3.9)
-
Step 600
600
#D20064
oklch(55.6% 0.224 4.1)
-
Step 700
700
#B20054
oklch(49.2% 0.198 3.9)
-
Step 800
800
#930044
oklch(42.7% 0.172 4)
-
Step 900
900 (this color)
#6C0431
oklch(34.5% 0.135 4)
-
Step 950
950
#460E22
oklch(27% 0.086 3.4)
#6C0431 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) | #242832 | 0.154 |
| Deuteranopia (no green cones) | #3F3B2F | 0.136 |
| Tritanopia (no blue cones) | #76001B | 0.041 |
| Achromatopsia (no color) | #353535 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C0431
#6C0431
oklch(34.5% 0.135 4)
- #00433D
#00433D
oklch(34.4% 0.061 184.8)
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 #6C0431, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.020
- Burgundy #610023 ΔE 0.034
- Bordeaux #7B002C ΔE 0.035
- Claret #680018 ΔE 0.038
- Wine Red #7B0323 ΔE 0.043
- Wine #80013F ΔE 0.049
- Velvet #750851 ΔE 0.056
- Red Purple #820747 ΔE 0.059
Use #6C0431 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.