#660239
Closest named color: Merlot (#730039). oklch(33.4% 0.135 355.7), rgb(102, 2, 57).
Aa
White text reads best on this color (12.86:1).
About this color
#660239 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.135 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.030 away. White text reads best on it, at 12.86:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.135) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.63:1 |
| White text | 12.86:1 |
Values
| HEX | #660239 |
| RGB | rgb(102, 2, 57) |
| HSL | hsl(327, 96%, 20%) |
| OKLCH | oklch(33.4% 0.135 355.7) |
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 #660239 | 12.86:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #660239 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #660239 text on white | 12.86:1 | AAA | Lc 97.2 | Preferred for body text |
| #660239 text on black | 1.63:1 | 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
#FEF2F6
oklch(97.2% 0.014 355)
-
Step 100
100
#FBE2EA
oklch(93.5% 0.029 356.3)
-
Step 200
200
#F9CADA
oklch(88.4% 0.057 355.9)
-
Step 300
300
#F5A5C3
oklch(80.8% 0.101 355.5)
-
Step 400
400
#EC70A4
oklch(70.6% 0.162 355.7)
-
Step 500
500
#E2428E
oklch(63.1% 0.206 355.7)
-
Step 600
600
#CD0878
oklch(55.5% 0.225 355.7)
-
Step 700
700
#AF0065
oklch(49.2% 0.201 355.8)
-
Step 800
800
#900352
oklch(42.7% 0.173 356)
-
Step 900
900 (this color)
#660239
oklch(33.4% 0.135 355.7)
-
Step 950
950
#440F28
oklch(27% 0.085 355.5)
#660239 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) | #1D263A | 0.155 |
| Deuteranopia (no green cones) | #383837 | 0.136 |
| Tritanopia (no blue cones) | #6F001F | 0.049 |
| Achromatopsia (no color) | #323232 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #660239
#660239
oklch(33.4% 0.135 355.7)
- #004135
#004135
oklch(33.5% 0.063 175.4)
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 #660239, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.030
- Burgundy #610023 ΔE 0.038
- Grape Purple #5D1451 ΔE 0.047
- Velvet #750851 ΔE 0.052
- Claret #680018 ΔE 0.054
- Bordeaux #7B002C ΔE 0.055
- Rich Purple #720058 ΔE 0.058
- Wine #80013F ΔE 0.060
Use #660239 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.