#662A99
Closest named color: Rebecca Purple (#663399). oklch(42.9% 0.172 304.8), rgb(102, 42, 153).
Aa
White text reads best on this color (8.91:1).
About this color
#662A99 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.172 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.017 away. White text reads best on it, at 8.91:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.35:1 |
| White text | 8.91:1 |
Values
| HEX | #662A99 |
| RGB | rgb(102, 42, 153) |
| HSL | hsl(272, 57%, 38%) |
| OKLCH | oklch(42.9% 0.172 304.8) |
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 #662A99 | 8.91:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #662A99 | 2.35:1 | Fails | Lc 14.3 | Not readable |
| #662A99 text on white | 8.91:1 | AAA | Lc 89.7 | Fine for body text |
| #662A99 text on black | 2.35:1 | Fails | Lc -12.6 | 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 800.
-
Step 50
50
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5FA
oklch(93.5% 0.03 305.1)
-
Step 200
200
#E1D0F8
oklch(88.4% 0.057 304.5)
-
Step 300
300
#CFB0F5
oklch(80.8% 0.101 304.8)
-
Step 400
400
#B884F0
oklch(70.7% 0.16 304.9)
-
Step 500
500
#A75FEB
oklch(63.1% 0.206 304.9)
-
Step 600
600
#933FD9
oklch(55.6% 0.224 305)
-
Step 700
700
#7D2FBC
oklch(49.1% 0.208 304.9)
-
Step 800
800 (this color)
#662A99
oklch(42.9% 0.172 304.8)
-
Step 900
900
#522879
oklch(37.6% 0.134 304.6)
-
Step 950
950
#301947
oklch(27% 0.084 304.4)
#662A99 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) | #00489C | 0.132 |
| Deuteranopia (no green cones) | #004A97 | 0.133 |
| Tritanopia (no blue cones) | #5C445F | 0.123 |
| Achromatopsia (no color) | #4A4A4A | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662A99
#662A99
oklch(42.9% 0.172 304.8)
- #425900
#425900
oklch(42.9% 0.108 125.1)
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 #662A99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.017
- Grape #7209B7 ΔE 0.059
- Chrysanthemum #560BAD ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.069
- Blueberry #464196 ΔE 0.071
- Purple #800080 ΔE 0.078
- Imperial Purple #480CA8 ΔE 0.081
- Dark Magenta #8B008B ΔE 0.086
Use #662A99 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.