#662440
Closest named color: Merlot (#730039). oklch(36.8% 0.1 356.8), rgb(102, 36, 64).
Aa
White text reads best on this color (11.10:1).
About this color
#662440 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.100 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.047 away. White text reads best on it, at 11.10:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.100) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.89:1 |
| White text | 11.10:1 |
Values
| HEX | #662440 |
| RGB | rgb(102, 36, 64) |
| HSL | hsl(335, 48%, 27%) |
| OKLCH | oklch(36.8% 0.1 356.8) |
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 #662440 | 11.10:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #662440 | 1.89:1 | Fails | Lc 8.8 | Not readable |
| #662440 text on white | 11.10:1 | AAA | Lc 95.1 | Preferred for body text |
| #662440 text on black | 1.89:1 | Fails | Lc -7.6 | 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
#F7E4EA
oklch(93.6% 0.022 356.3)
-
Step 200
200
#F1CED9
oklch(88.4% 0.042 357.1)
-
Step 300
300
#E9ADC1
oklch(80.9% 0.074 357.1)
-
Step 400
400
#DB80A2
oklch(70.7% 0.119 356.7)
-
Step 500
500
#CF5C8B
oklch(63.1% 0.153 356.8)
-
Step 600
600
#BA3F75
oklch(55.6% 0.166 356.8)
-
Step 700
700
#A02F62
oklch(49% 0.155 356.8)
-
Step 800
800
#822950
oklch(42.7% 0.128 357)
-
Step 900
900 (this color)
#662440
oklch(36.8% 0.1 356.8)
-
Step 950
950
#3E1727
oklch(27% 0.064 356.6)
#662440 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) | #2F3441 | 0.110 |
| Deuteranopia (no green cones) | #41403E | 0.100 |
| Tritanopia (no blue cones) | #6E1F2F | 0.031 |
| Achromatopsia (no color) | #3C3C3C | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662440
#662440
oklch(36.8% 0.1 356.8)
- #004B3E
#004B3E
oklch(36.9% 0.069 176)
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 #662440, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.047
- Grape Purple #5D1451 ΔE 0.056
- Purple Brown #673A3F ΔE 0.057
- Velvet #750851 ΔE 0.058
- Bordeaux #7B002C ΔE 0.058
- Wine #80013F ΔE 0.061
- Wine Red #7B0323 ΔE 0.063
- Burgundy #610023 ΔE 0.064
Use #662440 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.