#662C7C
Closest named color: Rebecca Purple (#663399). oklch(41% 0.138 315.5), rgb(102, 44, 124).
Aa
White text reads best on this color (9.47:1).
About this color
#662C7C is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.138 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.049 away. White text reads best on it, at 9.47:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.21:1 |
| White text | 9.47:1 |
Values
| HEX | #662C7C |
| RGB | rgb(102, 44, 124) |
| HSL | hsl(284, 48%, 33%) |
| OKLCH | oklch(41% 0.138 315.5) |
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 #662C7C | 9.47:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #662C7C | 2.21:1 | Fails | Lc 12.6 | Not readable |
| #662C7C text on white | 9.47:1 | AAA | Lc 91.4 | Preferred for body text |
| #662C7C text on black | 2.21:1 | Fails | Lc -11.0 | 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 800.
-
Step 50
50
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E5D1EE
oklch(88.6% 0.045 315.5)
-
Step 300
300
#D5B1E5
oklch(80.9% 0.082 315.4)
-
Step 400
400
#BF87D7
oklch(70.7% 0.128 315.3)
-
Step 500
500
#AF66CC
oklch(63.2% 0.164 315.6)
-
Step 600
600
#9A4AB9
oklch(55.6% 0.179 315.4)
-
Step 700
700
#843A9F
oklch(49.1% 0.167 315.9)
-
Step 800
800 (this color)
#662C7C
oklch(41% 0.138 315.5)
-
Step 900
900
#572C68
oklch(37.7% 0.108 315.5)
-
Step 950
950
#331B3D
oklch(27.1% 0.068 315.2)
#662C7C 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) | #11427E | 0.130 |
| Deuteranopia (no green cones) | #2B477A | 0.113 |
| Tritanopia (no blue cones) | #653A50 | 0.089 |
| Achromatopsia (no color) | #464646 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662C7C
#662C7C
oklch(41% 0.138 315.5)
- #295800
#295800
oklch(41.1% 0.121 135.5)
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 #662C7C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.049
- Purple #800080 ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.068
- Rich Purple #720058 ΔE 0.080
- Blueberry #464196 ΔE 0.082
- Grape Purple #5D1451 ΔE 0.084
- Dark Magenta #8B008B ΔE 0.085
- Velvet #750851 ΔE 0.086
Use #662C7C 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.