#6D1B37
Closest named color: Merlot (#730039). oklch(36.6% 0.117 4.4), rgb(109, 27, 55).
Aa
White text reads best on this color (11.27:1).
About this color
#6D1B37 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.117 and its hue 4°. 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 11.27:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.86:1 |
| White text | 11.27:1 |
Values
| HEX | #6D1B37 |
| RGB | rgb(109, 27, 55) |
| HSL | hsl(340, 60%, 27%) |
| OKLCH | oklch(36.6% 0.117 4.4) |
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 #6D1B37 | 11.27:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #6D1B37 | 1.86:1 | Fails | Lc 8.8 | Not readable |
| #6D1B37 text on white | 11.27:1 | AAA | Lc 95.1 | Preferred for body text |
| #6D1B37 text on black | 1.86:1 | Fails | Lc -7.6 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E8
oklch(93.6% 0.026 2.8)
-
Step 200
200
#F6CCD5
oklch(88.4% 0.049 3.7)
-
Step 300
300
#F2A9BA
oklch(80.9% 0.088 3.9)
-
Step 400
400
#E77896
oklch(70.6% 0.14 4.1)
-
Step 500
500
#DD507C
oklch(63.2% 0.179 4.6)
-
Step 600
600
#C82B65
oklch(55.6% 0.195 4.5)
-
Step 700
700
#AC1B54
oklch(49.1% 0.181 4.4)
-
Step 800
800
#8C1B45
oklch(42.7% 0.15 4.3)
-
Step 900
900 (this color)
#6D1B37
oklch(36.6% 0.117 4.4)
-
Step 950
950
#421322
oklch(26.9% 0.074 3.8)
#6D1B37 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) | #2E3038 | 0.130 |
| Deuteranopia (no green cones) | #434035 | 0.118 |
| Tritanopia (no blue cones) | #770D27 | 0.031 |
| Achromatopsia (no color) | #3B3B3B | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D1B37
#6D1B37
oklch(36.6% 0.117 4.4)
- #004943
#004943
oklch(36.5% 0.064 185.5)
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 #6D1B37, 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 0.036
- Wine Red #7B0323 ΔE 0.041
- Wine #80013F ΔE 0.046
- Claret #680018 ΔE 0.051
- Burgundy #610023 ΔE 0.053
- Red Purple #820747 ΔE 0.054
- Velvet #750851 ΔE 0.055
Use #6D1B37 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.