#6C369B
Closest named color: Rebecca Purple (#663399). oklch(45.3% 0.16 305.5), rgb(108, 54, 155).
Aa
White text reads best on this color (7.95:1).
About this color
#6C369B is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.160 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 0.014 away. White text reads best on it, at 7.95:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.63:1 |
| White text | 7.95:1 |
Values
| HEX | #6C369B |
| RGB | rgb(108, 54, 155) |
| HSL | hsl(272, 48%, 41%) |
| OKLCH | oklch(45.3% 0.16 305.5) |
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 #6C369B | 7.95:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #6C369B | 2.63:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #6C369B text on white | 7.95:1 | AAA | Lc 87.1 | Fine for body text |
| #6C369B text on black | 2.63:1 | Fails | Lc -15.0 | 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 800.
-
Step 50
50
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F9
oklch(93.7% 0.027 304.8)
-
Step 200
200
#E1D1F5
oklch(88.5% 0.052 305.4)
-
Step 300
300
#CFB1F1
oklch(80.8% 0.094 305.8)
-
Step 400
400
#B786EA
oklch(70.7% 0.149 305.5)
-
Step 500
500
#A663E3
oklch(63% 0.191 305.8)
-
Step 600
600
#9146D1
oklch(55.6% 0.207 305.4)
-
Step 700
700
#7C36B5
oklch(49.2% 0.192 305.6)
-
Step 800
800 (this color)
#6C369B
oklch(45.3% 0.16 305.5)
-
Step 900
900
#522B75
oklch(37.8% 0.124 305.5)
-
Step 950
950
#301A45
oklch(27.1% 0.079 305.3)
#6C369B 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) | #004F9E | 0.131 |
| Deuteranopia (no green cones) | #1D5199 | 0.121 |
| Tritanopia (no blue cones) | #644B63 | 0.115 |
| Achromatopsia (no color) | #515151 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C369B
#6C369B
oklch(45.3% 0.16 305.5)
- #476000
#476000
oklch(45.2% 0.114 125.3)
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 #6C369B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.014
- Grape #7209B7 ΔE 0.069
- Blueberry #464196 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.071
- Bluey Purple #6241C7 ΔE 0.075
- Light Eggplant #894585 ΔE 0.082
- Chrysanthemum #560BAD ΔE 0.083
- Purple #800080 ΔE 0.084
Use #6C369B 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.