#66133D
Closest named color: Merlot (#730039). oklch(34.7% 0.122 354.9), rgb(102, 19, 61).
Aa
White text reads best on this color (12.17:1).
About this color
#66133D is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.122 and its hue 355°. 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 12.17:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.72:1 |
| White text | 12.17:1 |
Values
| HEX | #66133D |
| RGB | rgb(102, 19, 61) |
| HSL | hsl(330, 69%, 24%) |
| OKLCH | oklch(34.7% 0.122 354.9) |
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 #66133D | 12.17:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #66133D | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #66133D text on white | 12.17:1 | AAA | Lc 96.7 | Preferred for body text |
| #66133D text on black | 1.72:1 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#F9E3EB
oklch(93.6% 0.026 353.5)
-
Step 200
200
#F6CCDB
oklch(88.5% 0.051 354.7)
-
Step 300
300
#F1A8C4
oklch(80.9% 0.092 354.6)
-
Step 400
400
#E677A5
oklch(70.8% 0.146 355.3)
-
Step 500
500
#DB4D8F
oklch(63.1% 0.187 355.1)
-
Step 600
600
#C62779
oklch(55.6% 0.203 355.1)
-
Step 700
700
#AA1666
oklch(49% 0.189 354.9)
-
Step 800
800
#8A1853
oklch(42.6% 0.156 355)
-
Step 900
900 (this color)
#66133D
oklch(34.7% 0.122 354.9)
-
Step 950
950
#421328
oklch(27.1% 0.077 355.8)
#66133D 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) | #242C3E | 0.137 |
| Deuteranopia (no green cones) | #3B3B3B | 0.122 |
| Tritanopia (no blue cones) | #6F0826 | 0.042 |
| Achromatopsia (no color) | #363636 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66133D
#66133D
oklch(34.7% 0.122 354.9)
- #004538
#004538
oklch(34.9% 0.066 174.8)
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 #66133D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.030
- Grape Purple #5D1451 ΔE 0.042
- Burgundy #610023 ΔE 0.045
- Velvet #750851 ΔE 0.047
- Bordeaux #7B002C ΔE 0.053
- Wine #80013F ΔE 0.056
- Rich Purple #720058 ΔE 0.056
- Claret #680018 ΔE 0.057
Use #66133D 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.