#6B1C43
Closest named color: Merlot (#730039). oklch(36.8% 0.118 354.3), rgb(107, 28, 67).
Aa
White text reads best on this color (11.21:1).
About this color
#6B1C43 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.118 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.032 away. White text reads best on it, at 11.21:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.118) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.87:1 |
| White text | 11.21:1 |
Values
| HEX | #6B1C43 |
| RGB | rgb(107, 28, 67) |
| HSL | hsl(330, 59%, 26%) |
| OKLCH | oklch(36.8% 0.118 354.3) |
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 #6B1C43 | 11.21:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #6B1C43 | 1.87:1 | Fails | Lc 8.9 | Not readable |
| #6B1C43 text on white | 11.21:1 | AAA | Lc 95.0 | Preferred for body text |
| #6B1C43 text on black | 1.87:1 | Fails | Lc -7.6 | 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
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F9E3EB
oklch(93.6% 0.026 353.5)
-
Step 200
200
#F5CCDB
oklch(88.5% 0.05 354.2)
-
Step 300
300
#EFA9C4
oklch(80.9% 0.089 354.4)
-
Step 400
400
#E378A6
oklch(70.6% 0.142 354.2)
-
Step 500
500
#D85090
oklch(63.1% 0.181 354.4)
-
Step 600
600
#C32D7B
oklch(55.6% 0.196 354.1)
-
Step 700
700
#A81D67
oklch(49.1% 0.183 354.4)
-
Step 800
800
#881C54
oklch(42.6% 0.151 354.2)
-
Step 900
900 (this color)
#6B1C43
oklch(36.8% 0.118 354.3)
-
Step 950
950
#411429
oklch(27.1% 0.074 354.2)
#6B1C43 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) | #2A3244 | 0.132 |
| Deuteranopia (no green cones) | #404041 | 0.118 |
| Tritanopia (no blue cones) | #74152D | 0.040 |
| Achromatopsia (no color) | #3B3B3B | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B1C43
#6B1C43
oklch(36.8% 0.118 354.3)
- #004B3C
#004B3C
oklch(36.8% 0.07 173.5)
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 #6B1C43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.032
- Velvet #750851 ΔE 0.040
- Wine #80013F ΔE 0.047
- Grape Purple #5D1451 ΔE 0.048
- Bordeaux #7B002C ΔE 0.050
- Red Purple #820747 ΔE 0.050
- Rich Purple #720058 ΔE 0.053
- Wine Red #7B0323 ΔE 0.059
Use #6B1C43 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.