#6B1B38
Closest named color: Merlot (#730039). oklch(36.2% 0.115 2.9), rgb(107, 27, 56).
Aa
White text reads best on this color (11.41:1).
About this color
#6B1B38 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.115 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.031 away. White text reads best on it, at 11.41:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.83:1 |
| White text | 11.41:1 |
Values
| HEX | #6B1B38 |
| RGB | rgb(107, 27, 56) |
| HSL | hsl(338, 60%, 26%) |
| OKLCH | oklch(36.2% 0.115 2.9) |
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 #6B1B38 | 11.41:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #6B1B38 | 1.83:1 | Fails | Lc 8.5 | Not readable |
| #6B1B38 text on white | 11.41:1 | AAA | Lc 95.4 | Preferred for body text |
| #6B1B38 text on black | 1.83:1 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E3E8
oklch(93.5% 0.025 2.1)
-
Step 200
200
#F6CDD6
oklch(88.6% 0.048 3.3)
-
Step 300
300
#F1AABB
oklch(81% 0.086 3.4)
-
Step 400
400
#E67998
oklch(70.7% 0.138 3.1)
-
Step 500
500
#DB517F
oklch(63.1% 0.176 3)
-
Step 600
600
#C62E69
oklch(55.6% 0.191 2.7)
-
Step 700
700
#AB1E57
oklch(49.2% 0.178 3)
-
Step 800
800
#8B1D47
oklch(42.8% 0.148 3.2)
-
Step 900
900 (this color)
#6B1B38
oklch(36.2% 0.115 2.9)
-
Step 950
950
#421423
oklch(27.1% 0.073 3.1)
#6B1B38 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) | #2D3039 | 0.128 |
| Deuteranopia (no green cones) | #423F36 | 0.116 |
| Tritanopia (no blue cones) | #750E27 | 0.033 |
| Achromatopsia (no color) | #3A3A3A | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B1B38
#6B1B38
oklch(36.2% 0.115 2.9)
- #004941
#004941
oklch(36.4% 0.065 182.6)
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 #6B1B38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.031
- Bordeaux #7B002C ΔE 0.040
- Wine Red #7B0323 ΔE 0.045
- Wine #80013F ΔE 0.049
- Burgundy #610023 ΔE 0.051
- Claret #680018 ΔE 0.051
- Velvet #750851 ΔE 0.055
- Red Purple #820747 ΔE 0.056
Use #6B1B38 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.