#6C143B
Closest named color: Merlot (#730039). oklch(35.9% 0.125 359.2), rgb(108, 20, 59).
Aa
White text reads best on this color (11.66:1).
About this color
#6C143B is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.125 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.021 away. White text reads best on it, at 11.66:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.80:1 |
| White text | 11.66:1 |
Values
| HEX | #6C143B |
| RGB | rgb(108, 20, 59) |
| HSL | hsl(333, 69%, 25%) |
| OKLCH | oklch(35.9% 0.125 359.2) |
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 #6C143B | 11.66:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #6C143B | 1.80:1 | Fails | Lc 8.3 | Not readable |
| #6C143B text on white | 11.66:1 | AAA | Lc 95.6 | Preferred for body text |
| #6C143B text on black | 1.80:1 | 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
#FAE3E9
oklch(93.6% 0.026 359.9)
-
Step 200
200
#F7CBD8
oklch(88.4% 0.052 358.6)
-
Step 300
300
#F3A7BF
oklch(80.8% 0.094 358.9)
-
Step 400
400
#E9759E
oklch(70.7% 0.149 359.2)
-
Step 500
500
#DF4986
oklch(63% 0.192 359.3)
-
Step 600
600
#CA2070
oklch(55.6% 0.208 359.2)
-
Step 700
700
#AE0B5E
oklch(49.1% 0.194 359)
-
Step 800
800
#8D124D
oklch(42.6% 0.161 358.8)
-
Step 900
900 (this color)
#6C143B
oklch(35.9% 0.125 359.2)
-
Step 950
950
#431125
oklch(26.9% 0.08 359.3)
#6C143B 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) | #282E3C | 0.141 |
| Deuteranopia (no green cones) | #403E39 | 0.126 |
| Tritanopia (no blue cones) | #760425 | 0.040 |
| Achromatopsia (no color) | #383838 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C143B
#6C143B
oklch(35.9% 0.125 359.2)
- #00483D
#00483D
oklch(35.9% 0.066 178.1)
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 #6C143B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.021
- Bordeaux #7B002C ΔE 0.039
- Wine #80013F ΔE 0.043
- Velvet #750851 ΔE 0.044
- Wine Red #7B0323 ΔE 0.048
- Burgundy #610023 ΔE 0.049
- Red Purple #820747 ΔE 0.051
- Claret #680018 ΔE 0.054
Use #6C143B 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.