#6B63B3
Closest named color: Iris (#6258C4). oklch(54.4% 0.122 286.2), rgb(107, 99, 179).
Aa
White text reads best on this color (5.17:1).
About this color
#6B63B3 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 54%, its chroma 0.122 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.044 away. White text reads best on it, at 5.17:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 4.06:1 |
| White text | 5.17:1 |
Values
| HEX | #6B63B3 |
| RGB | rgb(107, 99, 179) |
| HSL | hsl(246, 34%, 55%) |
| OKLCH | oklch(54.4% 0.122 286.2) |
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 #6B63B3 | 5.17:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #6B63B3 | 4.06:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #6B63B3 text on white | 5.17:1 | AA | Lc 75.5 | Fine for body text |
| #6B63B3 text on black | 4.06:1 | AA large text | Lc -26.2 | 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 600.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F4
oklch(93.7% 0.015 286.1)
-
Step 200
200
#D7D7ED
oklch(88.6% 0.03 285.8)
-
Step 300
300
#BDBCE3
oklch(80.9% 0.055 286.3)
-
Step 400
400
#9C99D5
oklch(70.8% 0.087 286.2)
-
Step 500
500
#847ECA
oklch(63% 0.113 286.3)
-
Step 600
600 (this color)
#6B63B3
oklch(54.4% 0.122 286.2)
-
Step 700
700
#5C559E
oklch(49.1% 0.114 285.8)
-
Step 800
800
#4B4680
oklch(42.7% 0.094 285.6)
-
Step 900
900
#3F3B67
oklch(37.8% 0.074 286.4)
-
Step 950
950
#25233C
oklch(27.1% 0.046 286.6)
#6B63B3 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) | #466FB6 | 0.054 |
| Deuteranopia (no green cones) | #446BB1 | 0.053 |
| Tritanopia (no blue cones) | #577382 | 0.104 |
| Achromatopsia (no color) | #6D6D6D | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B63B3
#6B63B3
oklch(54.4% 0.122 286.2)
- #797300
#797300
oklch(54.3% 0.116 106)
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 #6B63B3, closest first.
No curated palette has a color within ΔE 0.04 of #6B63B3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.044
- Slate Blue #6A5ACD ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.050
- Light Indigo #6D5ACF ΔE 0.052
- French Blue #436BAD ΔE 0.056
- Deep Lavender #8D5EB7 ΔE 0.057
- Dark Lavender #856798 ΔE 0.063
- Flat Blue #3C73A8 ΔE 0.073
Use #6B63B3 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.