#6424A0
Closest named color: Rebecca Purple (#663399). oklch(42.5% 0.186 302.4), rgb(100, 36, 160).
Aa
White text reads best on this color (9.12:1).
About this color
#6424A0 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.186 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.030 away. White text reads best on it, at 9.12:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.186) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.30:1 |
| White text | 9.12:1 |
Values
| HEX | #6424A0 |
| RGB | rgb(100, 36, 160) |
| HSL | hsl(271, 63%, 38%) |
| OKLCH | oklch(42.5% 0.186 302.4) |
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 #6424A0 | 9.12:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #6424A0 | 2.30:1 | Fails | Lc 13.9 | Not readable |
| #6424A0 text on white | 9.12:1 | AAA | Lc 90.0 | Preferred for body text |
| #6424A0 text on black | 2.30:1 | Fails | Lc -12.2 | 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
#EEE5FC
oklch(93.6% 0.032 303.5)
-
Step 200
200
#E0D0FB
oklch(88.4% 0.061 302.1)
-
Step 300
300
#CEB0FB
oklch(81% 0.108 302.4)
-
Step 400
400
#B682F9
oklch(70.7% 0.174 302.4)
-
Step 500
500
#A55CF6
oklch(63.2% 0.222 302.2)
-
Step 600
600
#9139E4
oklch(55.6% 0.241 302.4)
-
Step 700
700
#7C28C7
oklch(49.2% 0.225 302.4)
-
Step 800
800 (this color)
#6424A0
oklch(42.5% 0.186 302.4)
-
Step 900
900
#52257F
oklch(37.7% 0.145 302.9)
-
Step 950
950
#30174B
oklch(27% 0.093 302.7)
#6424A0 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) | #0047A3 | 0.131 |
| Deuteranopia (no green cones) | #00489E | 0.132 |
| Tritanopia (no blue cones) | #574461 | 0.135 |
| Achromatopsia (no color) | #484848 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6424A0
#6424A0
oklch(42.5% 0.186 302.4)
- #455700
#455700
oklch(42.6% 0.104 122.4)
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 #6424A0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.030
- Chrysanthemum #560BAD ΔE 0.047
- Grape #7209B7 ΔE 0.048
- Imperial Purple #480CA8 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.076
- Blueberry #464196 ΔE 0.076
- Purple Blue #5D21D0 ΔE 0.080
- Blue With A Hint Of Purple #533CC6 ΔE 0.081
Use #6424A0 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.