#6C243F
Closest named color: Merlot (#730039). oklch(37.7% 0.106 0.3), rgb(108, 36, 63).
Aa
White text reads best on this color (10.70:1).
About this color
#6C243F is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.106 and its hue 0°. 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 10.70:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.96:1 |
| White text | 10.70:1 |
Values
| HEX | #6C243F |
| RGB | rgb(108, 36, 63) |
| HSL | hsl(338, 50%, 28%) |
| OKLCH | oklch(37.7% 0.106 0.3) |
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 #6C243F | 10.70:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #6C243F | 1.96:1 | Fails | Lc 9.8 | Not readable |
| #6C243F text on white | 10.70:1 | AAA | Lc 94.1 | Preferred for body text |
| #6C243F text on black | 1.96:1 | 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
#F3CED8
oklch(88.6% 0.043 359.9)
-
Step 300
300
#ECACBE
oklch(80.9% 0.078 0.5)
-
Step 400
400
#E07D9D
oklch(70.7% 0.127 0.2)
-
Step 500
500
#D45885
oklch(63.1% 0.162 0.2)
-
Step 600
600
#BF386E
oklch(55.5% 0.176 0.3)
-
Step 700
700
#A5295C
oklch(49.1% 0.164 0.5)
-
Step 800
800
#86244B
oklch(42.7% 0.136 0.6)
-
Step 900
900 (this color)
#6C243F
oklch(37.7% 0.106 0.3)
-
Step 950
950
#401625
oklch(27.1% 0.068 0.3)
#6C243F 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) | #313540 | 0.118 |
| Deuteranopia (no green cones) | #45433D | 0.107 |
| Tritanopia (no blue cones) | #751D2F | 0.030 |
| Achromatopsia (no color) | #3E3E3E | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C243F
#6C243F
oklch(37.7% 0.106 0.3)
- #004D43
#004D43
oklch(37.7% 0.068 180.3)
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 #6C243F, 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 0.054
- Wine Red #7B0323 ΔE 0.054
- Red Purple #820747 ΔE 0.055
- Velvet #750851 ΔE 0.055
- Grape Purple #5D1451 ΔE 0.065
Use #6C243F 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.