#662FA6
Closest named color: Rebecca Purple (#663399). oklch(44.5% 0.18 300.2), rgb(102, 47, 166).
Aa
White text reads best on this color (8.32:1).
About this color
#662FA6 is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.180 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.023 away. White text reads best on it, at 8.32:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.52:1 |
| White text | 8.32:1 |
Values
| HEX | #662FA6 |
| RGB | rgb(102, 47, 166) |
| HSL | hsl(268, 56%, 42%) |
| OKLCH | oklch(44.5% 0.18 300.2) |
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 #662FA6 | 8.32:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #662FA6 | 2.52:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #662FA6 text on white | 8.32:1 | AAA | Lc 88.0 | Fine for body text |
| #662FA6 text on black | 2.52:1 | Fails | Lc -14.2 | 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
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EDE6FC
oklch(93.7% 0.03 300.3)
-
Step 200
200
#DFD1FB
oklch(88.5% 0.059 300.4)
-
Step 300
300
#CBB1FB
oklch(80.9% 0.106 300.2)
-
Step 400
400
#B284F9
oklch(70.6% 0.17 300.2)
-
Step 500
500
#A060F5
oklch(63.1% 0.215 300.1)
-
Step 600
600
#8C3FE4
oklch(55.6% 0.234 300)
-
Step 700
700
#772EC6
oklch(49% 0.218 300)
-
Step 800
800 (this color)
#662FA6
oklch(44.5% 0.18 300.2)
-
Step 900
900
#4F287F
oklch(37.7% 0.14 300.3)
-
Step 950
950
#2E194A
oklch(27% 0.088 300.4)
#662FA6 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) | #004EA9 | 0.125 |
| Deuteranopia (no green cones) | #004DA4 | 0.126 |
| Tritanopia (no blue cones) | #584C67 | 0.135 |
| Achromatopsia (no color) | #4E4E4E | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662FA6
#662FA6
oklch(44.5% 0.18 300.2)
- #4D5C00
#4D5C00
oklch(44.6% 0.106 120.1)
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 #662FA6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.023
- Grape #7209B7 ΔE 0.050
- Chrysanthemum #560BAD ΔE 0.059
- Bluey Purple #6241C7 ΔE 0.063
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
- Blueberry #464196 ΔE 0.070
- Blurple #5539CC ΔE 0.072
- Purple Blue #5D21D0 ΔE 0.073
Use #662FA6 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.