#662FA5
Closest named color: Rebecca Purple (#663399). oklch(44.4% 0.179 300.5), rgb(102, 47, 165).
Aa
White text reads best on this color (8.35:1).
About this color
#662FA5 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.179 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 0.021 away. White text reads best on it, at 8.35:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.51:1 |
| White text | 8.35:1 |
Values
| HEX | #662FA5 |
| RGB | rgb(102, 47, 165) |
| HSL | hsl(268, 56%, 42%) |
| OKLCH | oklch(44.4% 0.179 300.5) |
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 #662FA5 | 8.35:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #662FA5 | 2.51:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #662FA5 text on white | 8.35:1 | AAA | Lc 88.1 | Fine for body text |
| #662FA5 text on black | 2.51:1 | Fails | Lc -14.1 | 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
#DFD1FA
oklch(88.5% 0.058 300.8)
-
Step 300
300
#CBB1FA
oklch(80.8% 0.105 300.4)
-
Step 400
400
#B285F8
oklch(70.8% 0.167 300.2)
-
Step 500
500
#A160F4
oklch(63.2% 0.214 300.6)
-
Step 600
600
#8D3FE3
oklch(55.7% 0.233 300.6)
-
Step 700
700
#782FC5
oklch(49.2% 0.216 300.6)
-
Step 800
800 (this color)
#662FA5
oklch(44.4% 0.179 300.5)
-
Step 900
900
#4F287F
oklch(37.7% 0.14 300.3)
-
Step 950
950
#2E194A
oklch(27% 0.088 300.4)
#662FA5 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) | #004DA8 | 0.125 |
| Deuteranopia (no green cones) | #004DA3 | 0.126 |
| Tritanopia (no blue cones) | #584C67 | 0.133 |
| Achromatopsia (no color) | #4E4E4E | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662FA5
#662FA5
oklch(44.4% 0.179 300.5)
- #4C5C00
#4C5C00
oklch(44.5% 0.106 120.7)
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 #662FA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.021
- Grape #7209B7 ΔE 0.051
- Chrysanthemum #560BAD ΔE 0.059
- Bluey Purple #6241C7 ΔE 0.065
- Blue With A Hint Of Purple #533CC6 ΔE 0.068
- Blueberry #464196 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.073
- Blurple #5539CC ΔE 0.073
Use #662FA5 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.