#662640
Closest named color: Merlot (#730039). oklch(37% 0.097 357.5), rgb(102, 38, 64).
Aa
White text reads best on this color (10.95:1).
About this color
#662640 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.097 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.051 away. White text reads best on it, at 10.95:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.91:1 |
| White text | 10.95:1 |
Values
| HEX | #662640 |
| RGB | rgb(102, 38, 64) |
| HSL | hsl(336, 46%, 27%) |
| OKLCH | oklch(37% 0.097 357.5) |
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 #662640 | 10.95:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #662640 | 1.91:1 | Fails | Lc 9.1 | Not readable |
| #662640 text on white | 10.95:1 | AAA | Lc 94.8 | Preferred for body text |
| #662640 text on black | 1.91:1 | Fails | Lc -7.8 | 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F6E4EA
oklch(93.5% 0.021 355.2)
-
Step 200
200
#F1CFD9
oklch(88.6% 0.04 358.3)
-
Step 300
300
#E8AEC1
oklch(81% 0.072 357.4)
-
Step 400
400
#DA81A1
oklch(70.7% 0.116 357.4)
-
Step 500
500
#CD5E8A
oklch(63% 0.148 357.3)
-
Step 600
600
#B94174
oklch(55.7% 0.162 357.4)
-
Step 700
700
#9F3261
oklch(49.2% 0.15 357.7)
-
Step 800
800
#812B4F
oklch(42.8% 0.124 357.8)
-
Step 900
900 (this color)
#662640
oklch(37% 0.097 357.5)
-
Step 950
950
#3D1827
oklch(27% 0.061 356.5)
#662640 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) | #313541 | 0.106 |
| Deuteranopia (no green cones) | #42413F | 0.097 |
| Tritanopia (no blue cones) | #6E2130 | 0.030 |
| Achromatopsia (no color) | #3C3C3C | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662640
#662640
oklch(37% 0.097 357.5)
- #004B3F
#004B3F
oklch(36.9% 0.068 177.3)
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 #662640, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.051
- Purple Brown #673A3F ΔE 0.052
- Bordeaux #7B002C ΔE 0.059
- Grape Purple #5D1451 ΔE 0.059
- Velvet #750851 ΔE 0.061
- Wine #80013F ΔE 0.063
- Wine Red #7B0323 ΔE 0.064
- Red Purple #820747 ΔE 0.066
Use #662640 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.