#6B3AB0
Closest named color: Rebecca Purple (#663399). oklch(47.3% 0.178 298.3), rgb(107, 58, 176).
Aa
White text reads best on this color (7.34:1).
About this color
#6B3AB0 is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.178 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.040 away. White text reads best on it, at 7.34:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.85:1 |
| White text | 7.34:1 |
Values
| HEX | #6B3AB0 |
| RGB | rgb(107, 58, 176) |
| HSL | hsl(265, 50%, 46%) |
| OKLCH | oklch(47.3% 0.178 298.3) |
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 #6B3AB0 | 7.34:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #6B3AB0 | 2.85:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #6B3AB0 text on white | 7.34:1 | AAA | Lc 84.9 | Fine for body text |
| #6B3AB0 text on black | 2.85:1 | Fails | Lc -17.1 | 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
#ECE7F9
oklch(93.7% 0.025 298.6)
-
Step 200
200
#DDD3F5
oklch(88.5% 0.047 298.9)
-
Step 300
300
#C7B5F2
oklch(80.9% 0.087 298)
-
Step 400
400
#AC8CEB
oklch(70.7% 0.139 298.3)
-
Step 500
500
#996CE4
oklch(63.1% 0.176 298.5)
-
Step 600
600
#8450D2
oklch(55.6% 0.192 298.3)
-
Step 700
700 (this color)
#6B3AB0
oklch(47.3% 0.178 298.3)
-
Step 800
800
#5B3693
oklch(42.7% 0.147 298.3)
-
Step 900
900
#4A3075
oklch(37.7% 0.114 298.1)
-
Step 950
950
#2B1D45
oklch(27% 0.073 297.5)
#6B3AB0 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) | #0056B4 | 0.122 |
| Deuteranopia (no green cones) | #0055AE | 0.123 |
| Tritanopia (no blue cones) | #5B5570 | 0.135 |
| Achromatopsia (no color) | #565656 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3AB0
#6B3AB0
oklch(47.3% 0.178 298.3)
- #566300
#566300
oklch(47.2% 0.11 118.3)
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 #6B3AB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.040
- Bluey Purple #6241C7 ΔE 0.042
- Blue With A Hint Of Purple #533CC6 ΔE 0.056
- Grape #7209B7 ΔE 0.060
- Blurple #5539CC ΔE 0.061
- Purple Blue #5D21D0 ΔE 0.070
- Iris #6258C4 ΔE 0.071
- Blueberry #464196 ΔE 0.077
Use #6B3AB0 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.