#6C2137
Closest named color: Merlot (#730039). oklch(37.1% 0.108 6.1), rgb(108, 33, 55).
Aa
White text reads best on this color (10.99:1).
About this color
#6C2137 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.108 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.041 away. White text reads best on it, at 10.99:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.91:1 |
| White text | 10.99:1 |
Values
| HEX | #6C2137 |
| RGB | rgb(108, 33, 55) |
| HSL | hsl(342, 53%, 28%) |
| OKLCH | oklch(37.1% 0.108 6.1) |
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 #6C2137 | 10.99:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #6C2137 | 1.91:1 | Fails | Lc 9.2 | Not readable |
| #6C2137 text on white | 10.99:1 | AAA | Lc 94.7 | Preferred for body text |
| #6C2137 text on black | 1.91:1 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
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
#EFABB8
oklch(80.9% 0.081 6.4)
-
Step 400
400
#E37C94
oklch(70.7% 0.129 6)
-
Step 500
500
#D8567A
oklch(63.1% 0.166 6)
-
Step 600
600
#C33663
oklch(55.6% 0.179 6.1)
-
Step 700
700
#A82652
oklch(49.1% 0.167 6)
-
Step 800
800
#882243
oklch(42.6% 0.138 5.9)
-
Step 900
900 (this color)
#6C2137
oklch(37.1% 0.108 6.1)
-
Step 950
950
#411621
oklch(27.1% 0.068 6.9)
#6C2137 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) | #313338 | 0.120 |
| Deuteranopia (no green cones) | #454235 | 0.110 |
| Tritanopia (no blue cones) | #76162A | 0.028 |
| Achromatopsia (no color) | #3C3C3C | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C2137
#6C2137
oklch(37.1% 0.108 6.1)
- #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 #6C2137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.041
- Bordeaux #7B002C ΔE 0.042
- Wine Red #7B0323 ΔE 0.045
- Wine #80013F ΔE 0.053
- Claret #680018 ΔE 0.056
- Purple Brown #673A3F ΔE 0.057
- Red Purple #820747 ΔE 0.059
- Reddy Brown #6E1005 ΔE 0.059
Use #6C2137 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.