#6A399C
Closest named color: Rebecca Purple (#663399). oklch(45.6% 0.156 303.6), rgb(106, 57, 156).
Aa
White text reads best on this color (7.84:1).
About this color
#6A399C is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.156 and its hue 304°. 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 7.84:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.67:1 |
| White text | 7.84:1 |
Values
| HEX | #6A399C |
| RGB | rgb(106, 57, 156) |
| HSL | hsl(270, 46%, 42%) |
| OKLCH | oklch(45.6% 0.156 303.6) |
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 #6A399C | 7.84:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #6A399C | 2.67:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #6A399C text on white | 7.84:1 | AAA | Lc 86.7 | Fine for body text |
| #6A399C text on black | 2.67:1 | Fails | Lc -15.4 | 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
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#E0D2F5
oklch(88.6% 0.05 303.5)
-
Step 300
300
#CDB2F1
oklch(80.8% 0.092 304)
-
Step 400
400
#B488EA
oklch(70.7% 0.145 303.6)
-
Step 500
500
#A266E4
oklch(63.1% 0.187 303.5)
-
Step 600
600
#8E49D2
oklch(55.7% 0.203 303.6)
-
Step 700
700
#7939B5
oklch(49.2% 0.188 303.9)
-
Step 800
800 (this color)
#6A399C
oklch(45.6% 0.156 303.6)
-
Step 900
900
#502C75
oklch(37.7% 0.122 303.8)
-
Step 950
950
#2F1B45
oklch(27.1% 0.077 303.7)
#6A399C 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) | #00519F | 0.125 |
| Deuteranopia (no green cones) | #1D529A | 0.115 |
| Tritanopia (no blue cones) | #614E65 | 0.115 |
| Achromatopsia (no color) | #525252 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A399C
#6A399C
oklch(45.6% 0.156 303.6)
- #4B6000
#4B6000
oklch(45.5% 0.112 123.2)
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 #6A399C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.016
- Blueberry #464196 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.067
- Bluey Purple #6241C7 ΔE 0.072
- Grape #7209B7 ΔE 0.073
- Twilight #4E518B ΔE 0.080
- Blue With A Hint Of Purple #533CC6 ΔE 0.080
- Light Eggplant #894585 ΔE 0.082
Use #6A399C 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.