#66223F
Closest named color: Merlot (#730039). oklch(36.5% 0.103 357), rgb(102, 34, 63).
Aa
White text reads best on this color (11.25:1).
About this color
#66223F is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.103 and its hue 357°. 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 11.25:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.86:1 |
| White text | 11.25:1 |
Values
| HEX | #66223F |
| RGB | rgb(102, 34, 63) |
| HSL | hsl(334, 50%, 27%) |
| OKLCH | oklch(36.5% 0.103 357) |
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 #66223F | 11.25:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #66223F | 1.86:1 | Fails | Lc 8.6 | Not readable |
| #66223F text on white | 11.25:1 | AAA | Lc 95.3 | Preferred for body text |
| #66223F text on black | 1.86:1 | Fails | Lc -7.3 | 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
#F2CED9
oklch(88.5% 0.043 357.7)
-
Step 300
300
#EAACC1
oklch(80.8% 0.077 356.9)
-
Step 400
400
#DD7EA2
oklch(70.6% 0.124 356.6)
-
Step 500
500
#D15A8B
oklch(63.1% 0.158 356.8)
-
Step 600
600
#BC3C75
oklch(55.6% 0.171 356.9)
-
Step 700
700
#A12D62
oklch(49% 0.159 356.8)
-
Step 800
800
#832750
oklch(42.7% 0.132 356.9)
-
Step 900
900 (this color)
#66223F
oklch(36.5% 0.103 357)
-
Step 950
950
#3E1727
oklch(27% 0.064 356.6)
#66223F 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) | #2E3340 | 0.113 |
| Deuteranopia (no green cones) | #403F3D | 0.102 |
| Tritanopia (no blue cones) | #6E1C2E | 0.031 |
| Achromatopsia (no color) | #3B3B3B | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66223F
#66223F
oklch(36.5% 0.103 357)
- #004A3E
#004A3E
oklch(36.6% 0.068 177.1)
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 #66223F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.044
- Grape Purple #5D1451 ΔE 0.054
- Bordeaux #7B002C ΔE 0.056
- Velvet #750851 ΔE 0.056
- Wine #80013F ΔE 0.059
- Burgundy #610023 ΔE 0.060
- Purple Brown #673A3F ΔE 0.060
- Wine Red #7B0323 ΔE 0.061
Use #66223F 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.