#6B43A7
Closest named color: Rebecca Purple (#663399). oklch(48% 0.155 298.9), rgb(107, 67, 167).
Aa
White text reads best on this color (7.03:1).
About this color
#6B43A7 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.155 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 0.042 away. White text reads best on it, at 7.03:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #6B43A7 |
| RGB | rgb(107, 67, 167) |
| HSL | hsl(264, 43%, 46%) |
| OKLCH | oklch(48% 0.155 298.9) |
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 #6B43A7 | 7.03:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #6B43A7 | 2.98:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #6B43A7 text on white | 7.03:1 | AAA | Lc 84.0 | Fine for body text |
| #6B43A7 text on black | 2.98:1 | Fails | Lc -18.0 | 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
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F2
oklch(88.6% 0.042 297.7)
-
Step 300
300
#C7B6EB
oklch(80.8% 0.076 299.4)
-
Step 400
400
#AB8FE1
oklch(70.7% 0.12 299)
-
Step 500
500
#9771D8
oklch(63.1% 0.153 299)
-
Step 600
600
#8257C6
oklch(55.6% 0.167 298.7)
-
Step 700
700 (this color)
#6B43A7
oklch(48% 0.155 298.9)
-
Step 800
800
#5A3B8A
oklch(42.8% 0.127 299.1)
-
Step 900
900
#49336F
oklch(37.7% 0.101 298.4)
-
Step 950
950
#2B1E41
oklch(26.9% 0.064 299.2)
#6B43A7 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) | #0859AA | 0.115 |
| Deuteranopia (no green cones) | #2058A5 | 0.105 |
| Tritanopia (no blue cones) | #5E586E | 0.119 |
| Achromatopsia (no color) | #595959 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B43A7
#6B43A7
oklch(48% 0.155 298.9)
- #576600
#576600
oklch(48.1% 0.113 119.2)
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 #6B43A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.042
- Bluey Purple #6241C7 ΔE 0.054
- Iris #6258C4 ΔE 0.064
- Blue With A Hint Of Purple #533CC6 ΔE 0.069
- Blueberry #464196 ΔE 0.070
- Twilight #4E518B ΔE 0.076
- Blurple #5539CC ΔE 0.076
- Slate Blue #6A5ACD ΔE 0.076
Use #6B43A7 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.