#6C3A98
Closest named color: Rebecca Purple (#663399). oklch(45.7% 0.15 305.8), rgb(108, 58, 152).
Aa
White text reads best on this color (7.78:1).
About this color
#6C3A98 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.150 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.020 away. White text reads best on it, at 7.78:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #6C3A98 |
| RGB | rgb(108, 58, 152) |
| HSL | hsl(272, 45%, 41%) |
| OKLCH | oklch(45.7% 0.15 305.8) |
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 #6C3A98 | 7.78:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #6C3A98 | 2.69:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #6C3A98 text on white | 7.78:1 | AAA | Lc 86.6 | Fine for body text |
| #6C3A98 text on black | 2.69:1 | Fails | Lc -15.5 | 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 800.
-
Step 50
50
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EEE6F8
oklch(93.6% 0.025 305.8)
-
Step 200
200
#E1D1F3
oklch(88.4% 0.049 306.6)
-
Step 300
300
#CEB2EE
oklch(80.8% 0.088 305.8)
-
Step 400
400
#B688E6
oklch(70.7% 0.141 305.6)
-
Step 500
500
#A467DE
oklch(63.1% 0.179 305.5)
-
Step 600
600
#904ACC
oklch(55.6% 0.196 305.7)
-
Step 700
700
#7B3AB0
oklch(49.2% 0.182 306)
-
Step 800
800 (this color)
#6C3A98
oklch(45.7% 0.15 305.8)
-
Step 900
900
#512D72
oklch(37.8% 0.117 305.6)
-
Step 950
950
#2F1B43
oklch(27% 0.074 305)
#6C3A98 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) | #0A519B | 0.125 |
| Deuteranopia (no green cones) | #275296 | 0.111 |
| Tritanopia (no blue cones) | #654D63 | 0.109 |
| Achromatopsia (no color) | #525252 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C3A98
#6C3A98
oklch(45.7% 0.15 305.8)
- #476200
#476200
oklch(45.7% 0.117 126.1)
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 #6C3A98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.020
- Blueberry #464196 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.068
- Light Eggplant #894585 ΔE 0.075
- Twilight #4E518B ΔE 0.078
- Bluey Purple #6241C7 ΔE 0.078
- Grape #7209B7 ΔE 0.079
- Warm Purple #952E8F ΔE 0.083
Use #6C3A98 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.