#6A2437
Closest named color: Merlot (#730039). oklch(37.1% 0.101 6.8), rgb(106, 36, 55).
Aa
White text reads best on this color (10.93:1).
About this color
#6A2437 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.101 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.048 away. White text reads best on it, at 10.93:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.101) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.92:1 |
| White text | 10.93:1 |
Values
| HEX | #6A2437 |
| RGB | rgb(106, 36, 55) |
| HSL | hsl(344, 49%, 28%) |
| OKLCH | oklch(37.1% 0.101 6.8) |
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 #6A2437 | 10.93:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #6A2437 | 1.92:1 | Fails | Lc 9.3 | Not readable |
| #6A2437 text on white | 10.93:1 | AAA | Lc 94.7 | Preferred for body text |
| #6A2437 text on black | 1.92:1 | 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
#F8E4E7
oklch(93.6% 0.022 7.2)
-
Step 200
200
#F3CED4
oklch(88.4% 0.042 7)
-
Step 300
300
#ECADB8
oklch(80.9% 0.075 7.3)
-
Step 400
400
#E07F94
oklch(70.8% 0.121 6.8)
-
Step 500
500
#D45B7A
oklch(63.1% 0.155 6.7)
-
Step 600
600
#BF3C63
oklch(55.6% 0.169 6.5)
-
Step 700
700
#A52D52
oklch(49.2% 0.157 6.7)
-
Step 800
800
#862743
oklch(42.7% 0.13 6.8)
-
Step 900
900 (this color)
#6A2437
oklch(37.1% 0.101 6.8)
-
Step 950
950
#3F1721
oklch(26.9% 0.063 6.7)
#6A2437 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) | #333437 | 0.112 |
| Deuteranopia (no green cones) | #454235 | 0.104 |
| Tritanopia (no blue cones) | #731B2B | 0.026 |
| Achromatopsia (no color) | #3D3D3D | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A2437
#6A2437
oklch(37.1% 0.101 6.8)
- #004B46
#004B46
oklch(37.2% 0.065 187.2)
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 #6A2437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.048
- Bordeaux #7B002C ΔE 0.048
- Wine Red #7B0323 ΔE 0.050
- Purple Brown #673A3F ΔE 0.051
- Claret #680018 ΔE 0.058
- Wine #80013F ΔE 0.059
- Reddy Brown #6E1005 ΔE 0.060
- Burgundy #610023 ΔE 0.062
Use #6A2437 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.