#6C243E
Closest named color: Merlot (#730039). oklch(37.7% 0.105 1.2), rgb(108, 36, 62).
Aa
White text reads best on this color (10.71:1).
About this color
#6C243E is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.105 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.044 away. White text reads best on it, at 10.71:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.95:1 |
| White text | 10.71:1 |
Values
| HEX | #6C243E |
| RGB | rgb(108, 36, 62) |
| HSL | hsl(338, 50%, 28%) |
| OKLCH | oklch(37.7% 0.105 1.2) |
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 #6C243E | 10.71:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #6C243E | 1.95:1 | Fails | Lc 9.8 | Not readable |
| #6C243E text on white | 10.71:1 | AAA | Lc 94.2 | Preferred for body text |
| #6C243E text on black | 1.95:1 | Fails | Lc -8.4 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F8E4E9
oklch(93.6% 0.023 0.5)
-
Step 200
200
#F3CED7
oklch(88.5% 0.043 1.6)
-
Step 300
300
#EDACBD
oklch(81% 0.079 1.8)
-
Step 400
400
#E07D9C
oklch(70.7% 0.127 0.8)
-
Step 500
500
#D45883
oklch(63% 0.161 1.2)
-
Step 600
600
#C0396D
oklch(55.7% 0.176 1.2)
-
Step 700
700
#A5295B
oklch(49.1% 0.164 1)
-
Step 800
800
#86254A
oklch(42.7% 0.135 1.5)
-
Step 900
900 (this color)
#6C243E
oklch(37.7% 0.105 1.2)
-
Step 950
950
#401624
oklch(27% 0.067 1.8)
#6C243E 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) | #32353F | 0.117 |
| Deuteranopia (no green cones) | #45433C | 0.107 |
| Tritanopia (no blue cones) | #751C2E | 0.030 |
| Achromatopsia (no color) | #3E3E3E | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C243E
#6C243E
oklch(37.7% 0.105 1.2)
- #004D44
#004D44
oklch(37.7% 0.068 181.7)
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 #6C243E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.044
- Bordeaux #7B002C ΔE 0.049
- Wine #80013F ΔE 0.052
- Purple Brown #673A3F ΔE 0.053
- Wine Red #7B0323 ΔE 0.053
- Red Purple #820747 ΔE 0.056
- Velvet #750851 ΔE 0.057
- Grape Purple #5D1451 ΔE 0.066
Use #6C243E 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.