#6C0138
Closest named color: Merlot (#730039). oklch(34.5% 0.139 358.7), rgb(108, 1, 56).
Aa
White text reads best on this color (12.35:1).
About this color
#6C0138 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.139 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.016 away. White text reads best on it, at 12.35:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.69:1 |
| White text | 12.35:1 |
Values
| HEX | #6C0138 |
| RGB | rgb(108, 1, 56) |
| HSL | hsl(329, 98%, 21%) |
| OKLCH | oklch(34.5% 0.139 358.7) |
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 #6C0138 | 12.35:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #6C0138 | 1.69:1 | Fails | Lc 7.7 | Not readable |
| #6C0138 text on white | 12.35:1 | AAA | Lc 96.2 | Preferred for body text |
| #6C0138 text on black | 1.69:1 | 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
#FEF2F5
oklch(97.1% 0.013 0.3)
-
Step 100
100
#FCE2E9
oklch(93.6% 0.03 359.5)
-
Step 200
200
#FBCAD8
oklch(88.6% 0.058 359.4)
-
Step 300
300
#F8A4BF
oklch(80.9% 0.104 358.9)
-
Step 400
400
#F06E9F
oklch(70.7% 0.167 358.6)
-
Step 500
500
#E73C87
oklch(63.2% 0.214 358.9)
-
Step 600
600
#D00071
oklch(55.7% 0.226 358.8)
-
Step 700
700
#B0005F
oklch(49.1% 0.2 358.6)
-
Step 800
800
#91004D
oklch(42.6% 0.173 358.7)
-
Step 900
900 (this color)
#6C0138
oklch(34.5% 0.139 358.7)
-
Step 950
950
#460D26
oklch(27% 0.089 358.4)
#6C0138 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) | #212839 | 0.159 |
| Deuteranopia (no green cones) | #3D3B36 | 0.140 |
| Tritanopia (no blue cones) | #76001E | 0.049 |
| Achromatopsia (no color) | #343434 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C0138
#6C0138
oklch(34.5% 0.139 358.7)
- #00443A
#00443A
oklch(34.6% 0.063 178.9)
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 #6C0138, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.016
- Burgundy #610023 ΔE 0.042
- Bordeaux #7B002C ΔE 0.042
- Velvet #750851 ΔE 0.046
- Wine #80013F ΔE 0.046
- Claret #680018 ΔE 0.051
- Wine Red #7B0323 ΔE 0.052
- Grape Purple #5D1451 ΔE 0.055
Use #6C0138 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.