#6B0338
Closest named color: Merlot (#730039). oklch(34.5% 0.137 358.6), rgb(107, 3, 56).
Aa
White text reads best on this color (12.38:1).
About this color
#6B0338 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.137 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.018 away. White text reads best on it, at 12.38:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.69:1 |
| White text | 12.38:1 |
Values
| HEX | #6B0338 |
| RGB | rgb(107, 3, 56) |
| HSL | hsl(329, 95%, 22%) |
| OKLCH | oklch(34.5% 0.137 358.6) |
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 #6B0338 | 12.38:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #6B0338 | 1.69:1 | Fails | Lc 7.5 | Not readable |
| #6B0338 text on white | 12.38:1 | AAA | Lc 96.3 | Preferred for body text |
| #6B0338 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
#FEF2F5
oklch(97.1% 0.013 0.3)
-
Step 100
100
#FCE2E9
oklch(93.6% 0.03 359.5)
-
Step 200
200
#FACAD8
oklch(88.5% 0.057 359)
-
Step 300
300
#F7A5BF
oklch(80.9% 0.102 359)
-
Step 400
400
#EF6F9F
oklch(70.7% 0.165 358.6)
-
Step 500
500
#E53E88
oklch(63% 0.211 358.3)
-
Step 600
600
#D00071
oklch(55.7% 0.226 358.8)
-
Step 700
700
#B0005F
oklch(49.1% 0.2 358.6)
-
Step 800
800
#91004E
oklch(42.7% 0.174 358.2)
-
Step 900
900 (this color)
#6B0338
oklch(34.5% 0.137 358.6)
-
Step 950
950
#450E26
oklch(26.9% 0.087 358.1)
#6B0338 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) | #212839 | 0.157 |
| Deuteranopia (no green cones) | #3C3B36 | 0.139 |
| Tritanopia (no blue cones) | #75001F | 0.047 |
| Achromatopsia (no color) | #343434 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B0338
#6B0338
oklch(34.5% 0.137 358.6)
- #004439
#004439
oklch(34.6% 0.064 177.4)
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 #6B0338, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.018
- Burgundy #610023 ΔE 0.041
- Bordeaux #7B002C ΔE 0.043
- Velvet #750851 ΔE 0.047
- Wine #80013F ΔE 0.048
- Claret #680018 ΔE 0.050
- Wine Red #7B0323 ΔE 0.053
- Grape Purple #5D1451 ΔE 0.054
Use #6B0338 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.