#6B1843
Closest named color: Merlot (#730039). oklch(36.3% 0.123 353.5), rgb(107, 24, 67).
Aa
White text reads best on this color (11.43:1).
About this color
#6B1843 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.123 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.028 away. White text reads best on it, at 11.43:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.83:1 |
| White text | 11.43:1 |
Values
| HEX | #6B1843 |
| RGB | rgb(107, 24, 67) |
| HSL | hsl(329, 63%, 26%) |
| OKLCH | oklch(36.3% 0.123 353.5) |
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 #6B1843 | 11.43:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #6B1843 | 1.83:1 | Fails | Lc 8.6 | Not readable |
| #6B1843 text on white | 11.43:1 | AAA | Lc 95.3 | Preferred for body text |
| #6B1843 text on black | 1.83:1 | Fails | Lc -7.3 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#F9E3EB
oklch(93.6% 0.026 353.5)
-
Step 200
200
#F6CCDC
oklch(88.6% 0.052 353.3)
-
Step 300
300
#F0A8C5
oklch(80.9% 0.092 353.5)
-
Step 400
400
#E576A8
oklch(70.6% 0.148 353.2)
-
Step 500
500
#DA4C92
oklch(63% 0.189 353.4)
-
Step 600
600
#C5267D
oklch(55.5% 0.205 353.2)
-
Step 700
700
#AA1569
oklch(49.1% 0.191 353.5)
-
Step 800
800
#8A1756
oklch(42.7% 0.158 353.2)
-
Step 900
900 (this color)
#6B1843
oklch(36.3% 0.123 353.5)
-
Step 950
950
#421229
oklch(27% 0.079 354)
#6B1843 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) | #273044 | 0.138 |
| Deuteranopia (no green cones) | #3F3F41 | 0.122 |
| Tritanopia (no blue cones) | #74102B | 0.043 |
| Achromatopsia (no color) | #3A3A3A | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B1843
#6B1843
oklch(36.3% 0.123 353.5)
- #004A3B
#004A3B
oklch(36.5% 0.07 173.3)
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 #6B1843, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.028
- Velvet #750851 ΔE 0.036
- Grape Purple #5D1451 ΔE 0.045
- Wine #80013F ΔE 0.045
- Rich Purple #720058 ΔE 0.048
- Red Purple #820747 ΔE 0.049
- Bordeaux #7B002C ΔE 0.050
- Wine Red #7B0323 ΔE 0.059
Use #6B1843 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.