#662A9A
Closest named color: Rebecca Purple (#663399). oklch(43% 0.173 304.4), rgb(102, 42, 154).
Aa
White text reads best on this color (8.88:1).
About this color
#662A9A is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.173 and its hue 304°. 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 8.88:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #662A9A |
| RGB | rgb(102, 42, 154) |
| HSL | hsl(272, 57%, 38%) |
| OKLCH | oklch(43% 0.173 304.4) |
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 #662A9A | 8.88:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #662A9A | 2.36:1 | Fails | Lc 14.4 | Not readable |
| #662A9A text on white | 8.88:1 | AAA | Lc 89.6 | Fine for body text |
| #662A9A text on black | 2.36:1 | Fails | Lc -12.7 | 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
#E1D1F8
oklch(88.6% 0.056 303.9)
-
Step 300
300
#CFB0F6
oklch(80.8% 0.102 304.5)
-
Step 400
400
#B884F1
oklch(70.8% 0.161 304.6)
-
Step 500
500
#A65FEC
oklch(63% 0.207 304.3)
-
Step 600
600
#923FDA
oklch(55.6% 0.225 304.4)
-
Step 700
700
#7D2FBD
oklch(49.1% 0.209 304.6)
-
Step 800
800 (this color)
#662A9A
oklch(43% 0.173 304.4)
-
Step 900
900
#52287A
oklch(37.7% 0.135 304.2)
-
Step 950
950
#301947
oklch(27% 0.084 304.4)
#662A9A 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) | #00489D | 0.131 |
| Deuteranopia (no green cones) | #004A98 | 0.133 |
| Tritanopia (no blue cones) | #5C455F | 0.126 |
| Achromatopsia (no color) | #4A4A4A | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662A9A
#662A9A
oklch(43% 0.173 304.4)
- #435900
#435900
oklch(43% 0.107 124.5)
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 #662A9A, 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 0.058
- Chrysanthemum #560BAD ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.069
- Blueberry #464196 ΔE 0.071
- Purple #800080 ΔE 0.079
- Imperial Purple #480CA8 ΔE 0.080
- Bluey Purple #6241C7 ΔE 0.085
Use #662A9A 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.