#6F42A8
Closest named color: Rebecca Purple (#663399). oklch(48.3% 0.158 301), rgb(111, 66, 168).
Aa
White text reads best on this color (6.95:1).
About this color
#6F42A8 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.158 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.043 away. White text reads best on it, at 6.95:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.02:1 |
| White text | 6.95:1 |
Values
| HEX | #6F42A8 |
| RGB | rgb(111, 66, 168) |
| HSL | hsl(266, 44%, 46%) |
| OKLCH | oklch(48.3% 0.158 301) |
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 #6F42A8 | 6.95:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #6F42A8 | 3.02:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #6F42A8 text on white | 6.95:1 | AA | Lc 83.7 | Fine for body text |
| #6F42A8 text on black | 3.02:1 | AA large text | Lc -18.3 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DDD3F1
oklch(88.4% 0.042 300.7)
-
Step 300
300
#C9B6EB
oklch(81% 0.076 301.1)
-
Step 400
400
#AE8EE1
oklch(70.8% 0.123 301.1)
-
Step 500
500
#9A6FD8
oklch(63% 0.157 300.9)
-
Step 600
600
#8655C5
oklch(55.7% 0.17 301.3)
-
Step 700
700 (this color)
#6F42A8
oklch(48.3% 0.158 301)
-
Step 800
800
#5C398A
oklch(42.7% 0.131 300.9)
-
Step 900
900
#4B326E
oklch(37.6% 0.101 300.9)
-
Step 950
950
#2C1E41
oklch(27.1% 0.065 300.6)
#6F42A8 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) | #0459AB | 0.123 |
| Deuteranopia (no green cones) | #2259A6 | 0.111 |
| Tritanopia (no blue cones) | #63576E | 0.120 |
| Achromatopsia (no color) | #595959 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F42A8
#6F42A8
oklch(48.3% 0.158 301)
- #556800
#556800
oklch(48.4% 0.117 121.3)
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 #6F42A8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.043
- Bluey Purple #6241C7 ΔE 0.055
- Iris #6258C4 ΔE 0.066
- Blue With A Hint Of Purple #533CC6 ΔE 0.072
- Slate Blue #6A5ACD ΔE 0.076
- Blueberry #464196 ΔE 0.077
- Light Indigo #6D5ACF ΔE 0.078
- Purply #983FB2 ΔE 0.078
Use #6F42A8 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.