#6D1F37
Closest named color: Merlot (#730039). oklch(37% 0.112 5.7), rgb(109, 31, 55).
Aa
White text reads best on this color (11.04:1).
About this color
#6D1F37 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.112 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.037 away. White text reads best on it, at 11.04:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.90:1 |
| White text | 11.04:1 |
Values
| HEX | #6D1F37 |
| RGB | rgb(109, 31, 55) |
| HSL | hsl(342, 56%, 27%) |
| OKLCH | oklch(37% 0.112 5.7) |
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 #6D1F37 | 11.04:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #6D1F37 | 1.90:1 | Fails | Lc 9.2 | Not readable |
| #6D1F37 text on white | 11.04:1 | AAA | Lc 94.7 | Preferred for body text |
| #6D1F37 text on black | 1.90:1 | Fails | Lc -7.9 | 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
#F9E4E7
oklch(93.7% 0.023 7.7)
-
Step 200
200
#F5CDD4
oklch(88.4% 0.046 6.2)
-
Step 300
300
#F0AAB8
oklch(80.8% 0.084 5.9)
-
Step 400
400
#E57A94
oklch(70.6% 0.134 5.6)
-
Step 500
500
#DA537A
oklch(63% 0.172 5.6)
-
Step 600
600
#C53163
oklch(55.5% 0.186 5.6)
-
Step 700
700
#AA2252
oklch(49.1% 0.173 5.8)
-
Step 800
800
#8A1F43
oklch(42.7% 0.144 5.8)
-
Step 900
900 (this color)
#6D1F37
oklch(37% 0.112 5.7)
-
Step 950
950
#411521
oklch(27% 0.069 6.1)
#6D1F37 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) | #303238 | 0.125 |
| Deuteranopia (no green cones) | #454235 | 0.114 |
| Tritanopia (no blue cones) | #771329 | 0.029 |
| Achromatopsia (no color) | #3C3C3C | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D1F37
#6D1F37
oklch(37% 0.112 5.7)
- #004B45
#004B45
oklch(37.1% 0.065 185.7)
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 #6D1F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.037
- Bordeaux #7B002C ΔE 0.039
- Wine Red #7B0323 ΔE 0.043
- Wine #80013F ΔE 0.049
- Claret #680018 ΔE 0.054
- Red Purple #820747 ΔE 0.056
- Burgundy #610023 ΔE 0.058
- Reddy Brown #6E1005 ΔE 0.059
Use #6D1F37 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.