#6B42A8
Closest named color: Rebecca Purple (#663399). oklch(47.9% 0.158 298.8), rgb(107, 66, 168).
Aa
White text reads best on this color (7.07:1).
About this color
#6B42A8 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.158 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.041 away. White text reads best on it, at 7.07:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #6B42A8 |
| RGB | rgb(107, 66, 168) |
| HSL | hsl(264, 44%, 46%) |
| OKLCH | oklch(47.9% 0.158 298.8) |
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 #6B42A8 | 7.07:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #6B42A8 | 2.96:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #6B42A8 text on white | 7.07:1 | AAA | Lc 84.1 | Fine for body text |
| #6B42A8 text on black | 2.96:1 | Fails | Lc -17.9 | Dividers and decoration only |
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 700.
-
Step 50
50
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F2
oklch(88.6% 0.042 297.7)
-
Step 300
300
#C7B6EC
oklch(80.9% 0.077 299.1)
-
Step 400
400
#AB8FE2
oklch(70.7% 0.122 298.8)
-
Step 500
500
#9771DA
oklch(63.2% 0.156 298.6)
-
Step 600
600
#8256C7
oklch(55.5% 0.17 298.7)
-
Step 700
700 (this color)
#6B42A8
oklch(47.9% 0.158 298.8)
-
Step 800
800
#5A3A8B
oklch(42.7% 0.13 299)
-
Step 900
900
#4A336F
oklch(37.8% 0.101 299.2)
-
Step 950
950
#2B1E41
oklch(26.9% 0.064 299.2)
#6B42A8 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) | #0058AB | 0.117 |
| Deuteranopia (no green cones) | #1C57A6 | 0.108 |
| Tritanopia (no blue cones) | #5D586E | 0.122 |
| Achromatopsia (no color) | #585858 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B42A8
#6B42A8
oklch(47.9% 0.158 298.8)
- #576500
#576500
oklch(47.8% 0.112 118.7)
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 #6B42A8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.041
- Bluey Purple #6241C7 ΔE 0.052
- Iris #6258C4 ΔE 0.065
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
- Blueberry #464196 ΔE 0.070
- Blurple #5539CC ΔE 0.074
- Slate Blue #6A5ACD ΔE 0.076
- Twilight #4E518B ΔE 0.078
Use #6B42A8 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.