#6C379D
Closest named color: Rebecca Purple (#663399). oklch(45.6% 0.161 304.7), rgb(108, 55, 157).
Aa
White text reads best on this color (7.86:1).
About this color
#6C379D is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.161 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.016 away. White text reads best on it, at 7.86:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.67:1 |
| White text | 7.86:1 |
Values
| HEX | #6C379D |
| RGB | rgb(108, 55, 157) |
| HSL | hsl(271, 48%, 42%) |
| OKLCH | oklch(45.6% 0.161 304.7) |
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 #6C379D | 7.86:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #6C379D | 2.67:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #6C379D text on white | 7.86:1 | AAA | Lc 86.8 | Fine for body text |
| #6C379D text on black | 2.67:1 | Fails | Lc -15.3 | 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 800.
-
Step 50
50
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F9
oklch(93.7% 0.027 304.8)
-
Step 200
200
#E1D1F6
oklch(88.5% 0.053 304.9)
-
Step 300
300
#CEB2F2
oklch(81% 0.093 304.4)
-
Step 400
400
#B686EB
oklch(70.6% 0.15 304.8)
-
Step 500
500
#A564E5
oklch(63.2% 0.192 304.8)
-
Step 600
600
#9046D3
oklch(55.6% 0.208 304.5)
-
Step 700
700
#7B36B7
oklch(49.2% 0.194 304.6)
-
Step 800
800 (this color)
#6C379D
oklch(45.6% 0.161 304.7)
-
Step 900
900
#512B76
oklch(37.7% 0.125 304.4)
-
Step 950
950
#2F1A45
oklch(26.9% 0.079 304.1)
#6C379D 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) | #0050A0 | 0.130 |
| Deuteranopia (no green cones) | #1B529B | 0.121 |
| Tritanopia (no blue cones) | #634D65 | 0.117 |
| Achromatopsia (no color) | #525252 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C379D
#6C379D
oklch(45.6% 0.161 304.7)
- #496100
#496100
oklch(45.6% 0.114 124.7)
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 #6C379D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.016
- Grape #7209B7 ΔE 0.068
- Blueberry #464196 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.072
- Bluey Purple #6241C7 ΔE 0.072
- Blue With A Hint Of Purple #533CC6 ΔE 0.081
- Light Eggplant #894585 ΔE 0.082
- Chrysanthemum #560BAD ΔE 0.083
Use #6C379D 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.