#6A1837
Closest named color: Merlot (#730039). oklch(35.7% 0.117 2.4), rgb(106, 24, 55).
Aa
White text reads best on this color (11.67:1).
About this color
#6A1837 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.117 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.029 away. White text reads best on it, at 11.67:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.79:1 |
| White text | 11.67:1 |
Values
| HEX | #6A1837 |
| RGB | rgb(106, 24, 55) |
| HSL | hsl(337, 63%, 25%) |
| OKLCH | oklch(35.7% 0.117 2.4) |
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 #6A1837 | 11.67:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #6A1837 | 1.79:1 | Fails | Lc 8.1 | Not readable |
| #6A1837 text on white | 11.67:1 | AAA | Lc 95.8 | Preferred for body text |
| #6A1837 text on black | 1.79:1 | Fails | Lc 0.0 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FAE3E8
oklch(93.6% 0.026 2.8)
-
Step 200
200
#F6CCD6
oklch(88.4% 0.049 2.2)
-
Step 300
300
#F1A9BC
oklch(80.9% 0.088 1.9)
-
Step 400
400
#E77899
oklch(70.7% 0.141 2.4)
-
Step 500
500
#DC4F80
oklch(63% 0.18 2.4)
-
Step 600
600
#C72B69
oklch(55.6% 0.195 2.6)
-
Step 700
700
#AC1A58
oklch(49.1% 0.182 2.3)
-
Step 800
800
#8B1A48
oklch(42.6% 0.151 2.1)
-
Step 900
900 (this color)
#6A1837
oklch(35.7% 0.117 2.4)
-
Step 950
950
#421323
oklch(26.9% 0.075 2.4)
#6A1837 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) | #2B2E38 | 0.131 |
| Deuteranopia (no green cones) | #413E35 | 0.118 |
| Tritanopia (no blue cones) | #740925 | 0.034 |
| Achromatopsia (no color) | #383838 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A1837
#6A1837
oklch(35.7% 0.117 2.4)
- #00473F
#00473F
oklch(35.7% 0.064 182.3)
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 #6A1837, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.029
- Bordeaux #7B002C ΔE 0.040
- Burgundy #610023 ΔE 0.046
- Wine Red #7B0323 ΔE 0.046
- Claret #680018 ΔE 0.048
- Wine #80013F ΔE 0.050
- Velvet #750851 ΔE 0.054
- Red Purple #820747 ΔE 0.058
Use #6A1837 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.