#6B1F43
Closest named color: Merlot (#730039). oklch(37.1% 0.114 355), rgb(107, 31, 67).
Aa
White text reads best on this color (11.03:1).
About this color
#6B1F43 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.114 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.036 away. White text reads best on it, at 11.03:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.114) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.90:1 |
| White text | 11.03:1 |
Values
| HEX | #6B1F43 |
| RGB | rgb(107, 31, 67) |
| HSL | hsl(332, 55%, 27%) |
| OKLCH | oklch(37.1% 0.114 355) |
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 #6B1F43 | 11.03:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #6B1F43 | 1.90:1 | Fails | Lc 9.2 | Not readable |
| #6B1F43 text on white | 11.03:1 | AAA | Lc 94.7 | Preferred for body text |
| #6B1F43 text on black | 1.90:1 | 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
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F8E3EB
oklch(93.5% 0.025 352.5)
-
Step 200
200
#F4CDDB
oklch(88.5% 0.047 354.5)
-
Step 300
300
#EEAAC3
oklch(80.9% 0.086 355.4)
-
Step 400
400
#E27AA5
oklch(70.7% 0.137 355)
-
Step 500
500
#D6538F
oklch(63.1% 0.175 354.8)
-
Step 600
600
#C13179
oklch(55.5% 0.19 354.8)
-
Step 700
700
#A62266
oklch(49.1% 0.176 354.8)
-
Step 800
800
#871F53
oklch(42.7% 0.146 354.9)
-
Step 900
900 (this color)
#6B1F43
oklch(37.1% 0.114 355)
-
Step 950
950
#401528
oklch(27% 0.071 355.4)
#6B1F43 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) | #2C3344 | 0.127 |
| Deuteranopia (no green cones) | #414141 | 0.114 |
| Tritanopia (no blue cones) | #74192E | 0.038 |
| Achromatopsia (no color) | #3C3C3C | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B1F43
#6B1F43
oklch(37.1% 0.114 355)
- #004C3E
#004C3E
oklch(37.2% 0.07 175)
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 #6B1F43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.036
- Velvet #750851 ΔE 0.043
- Wine #80013F ΔE 0.048
- Bordeaux #7B002C ΔE 0.051
- Red Purple #820747 ΔE 0.051
- Grape Purple #5D1451 ΔE 0.052
- Rich Purple #720058 ΔE 0.057
- Wine Red #7B0323 ΔE 0.058
Use #6B1F43 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.