#6D1D37
Closest named color: Merlot (#730039). oklch(36.8% 0.114 5), rgb(109, 29, 55).
Aa
White text reads best on this color (11.16:1).
About this color
#6D1D37 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.114 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.034 away. White text reads best on it, at 11.16:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.114) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.88:1 |
| White text | 11.16:1 |
Values
| HEX | #6D1D37 |
| RGB | rgb(109, 29, 55) |
| HSL | hsl(341, 58%, 27%) |
| OKLCH | oklch(36.8% 0.114 5) |
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 #6D1D37 | 11.16:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #6D1D37 | 1.88:1 | Fails | Lc 9.0 | Not readable |
| #6D1D37 text on white | 11.16:1 | AAA | Lc 94.9 | Preferred for body text |
| #6D1D37 text on black | 1.88:1 | Fails | Lc -7.7 | 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
#F9E3E7
oklch(93.5% 0.025 5.1)
-
Step 200
200
#F6CDD5
oklch(88.6% 0.047 4.9)
-
Step 300
300
#F1AAB9
oklch(81% 0.085 5.2)
-
Step 400
400
#E67995
oklch(70.6% 0.137 4.9)
-
Step 500
500
#DB527B
oklch(63.1% 0.174 5.1)
-
Step 600
600
#C72E64
oklch(55.6% 0.191 5.1)
-
Step 700
700
#AB1F53
oklch(49.1% 0.177 5.1)
-
Step 800
800
#8B1D44
oklch(42.7% 0.147 5)
-
Step 900
900 (this color)
#6D1D37
oklch(36.8% 0.114 5)
-
Step 950
950
#421422
oklch(27% 0.073 4.5)
#6D1D37 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) | #2F3138 | 0.127 |
| Deuteranopia (no green cones) | #444135 | 0.116 |
| Tritanopia (no blue cones) | #771028 | 0.030 |
| Achromatopsia (no color) | #3B3B3B | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D1D37
#6D1D37
oklch(36.8% 0.114 5)
- #004A44
#004A44
oklch(36.8% 0.065 185.6)
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 #6D1D37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.034
- Bordeaux #7B002C ΔE 0.037
- Wine Red #7B0323 ΔE 0.042
- Wine #80013F ΔE 0.047
- Claret #680018 ΔE 0.053
- Red Purple #820747 ΔE 0.055
- Burgundy #610023 ΔE 0.055
- Velvet #750851 ΔE 0.057
Use #6D1D37 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.