#6B1D35
Closest named color: Merlot (#730039). oklch(36.4% 0.112 6), rgb(107, 29, 53).
Aa
White text reads best on this color (11.33:1).
About this color
#6B1D35 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.112 and its hue 6°. 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 11.33:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.85:1 |
| White text | 11.33:1 |
Values
| HEX | #6B1D35 |
| RGB | rgb(107, 29, 53) |
| HSL | hsl(342, 57%, 27%) |
| OKLCH | oklch(36.4% 0.112 6) |
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 #6B1D35 | 11.33:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #6B1D35 | 1.85:1 | Fails | Lc 8.6 | Not readable |
| #6B1D35 text on white | 11.33:1 | AAA | Lc 95.3 | Preferred for body text |
| #6B1D35 text on black | 1.85:1 | Fails | Lc -7.4 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#F9E4E7
oklch(93.7% 0.023 7.7)
-
Step 200
200
#F5CDD4
oklch(88.4% 0.046 6.2)
-
Step 300
300
#F0AAB8
oklch(80.8% 0.084 5.9)
-
Step 400
400
#E57A94
oklch(70.6% 0.134 5.6)
-
Step 500
500
#DA537A
oklch(63% 0.172 5.6)
-
Step 600
600
#C53163
oklch(55.5% 0.186 5.6)
-
Step 700
700
#AA2252
oklch(49.1% 0.173 5.8)
-
Step 800
800
#8A1F43
oklch(42.7% 0.144 5.8)
-
Step 900
900 (this color)
#6B1D35
oklch(36.4% 0.112 6)
-
Step 950
950
#421521
oklch(27.1% 0.071 6.6)
#6B1D35 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) | #2F3036 | 0.124 |
| Deuteranopia (no green cones) | #434033 | 0.114 |
| Tritanopia (no blue cones) | #751027 | 0.029 |
| Achromatopsia (no color) | #3A3A3A | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B1D35
#6B1D35
oklch(36.4% 0.112 6)
- #004943
#004943
oklch(36.5% 0.064 185.5)
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 #6B1D35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.036
- Bordeaux #7B002C ΔE 0.040
- Wine Red #7B0323 ΔE 0.043
- Claret #680018 ΔE 0.049
- Burgundy #610023 ΔE 0.051
- Wine #80013F ΔE 0.052
- Reddy Brown #6E1005 ΔE 0.057
- Red Purple #820747 ΔE 0.060
Use #6B1D35 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.