#6D2437
Closest named color: Bordeaux (#7B002C). oklch(37.7% 0.105 7.7), rgb(109, 36, 55).
Aa
White text reads best on this color (10.72:1).
About this color
#6D2437 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.105 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Bordeaux (#7B002C), ΔE 0.045 away. White text reads best on it, at 10.72:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Bordeaux (#7B002C) |
| Black text | 1.95:1 |
| White text | 10.72:1 |
Values
| HEX | #6D2437 |
| RGB | rgb(109, 36, 55) |
| HSL | hsl(344, 50%, 28%) |
| OKLCH | oklch(37.7% 0.105 7.7) |
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 #6D2437 | 10.72:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #6D2437 | 1.95:1 | Fails | Lc 9.8 | Not readable |
| #6D2437 text on white | 10.72:1 | AAA | Lc 94.2 | Preferred for body text |
| #6D2437 text on black | 1.95:1 | Fails | Lc -8.4 | 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
#F8E4E7
oklch(93.6% 0.022 7.2)
-
Step 200
200
#F4CED4
oklch(88.5% 0.043 7.3)
-
Step 300
300
#EEACB7
oklch(80.9% 0.079 7.9)
-
Step 400
400
#E27D92
oklch(70.6% 0.126 7.5)
-
Step 500
500
#D75877
oklch(63.1% 0.161 7.9)
-
Step 600
600
#C23960
oklch(55.7% 0.174 7.9)
-
Step 700
700
#A72A4F
oklch(49.2% 0.162 8.1)
-
Step 800
800
#872541
oklch(42.6% 0.133 7.8)
-
Step 900
900 (this color)
#6D2437
oklch(37.7% 0.105 7.7)
-
Step 950
950
#401620
oklch(26.9% 0.066 7.9)
#6D2437 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) | #343537 | 0.116 |
| Deuteranopia (no green cones) | #474335 | 0.106 |
| Tritanopia (no blue cones) | #771A2B | 0.027 |
| Achromatopsia (no color) | #3E3E3E | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D2437
#6D2437
oklch(37.7% 0.105 7.7)
- #004C48
#004C48
oklch(37.6% 0.065 188.7)
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 #6D2437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bordeaux #7B002C ΔE 0.045
- Wine Red #7B0323 ΔE 0.046
- Merlot #730039 ΔE 0.047
- Purple Brown #673A3F ΔE 0.050
- Wine #80013F ΔE 0.055
- Reddy Brown #6E1005 ΔE 0.060
- Claret #680018 ΔE 0.060
- Red Purple #820747 ΔE 0.061
Use #6D2437 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.