#6A339E
Closest named color: Rebecca Purple (#663399). oklch(44.9% 0.167 304), rgb(106, 51, 158).
Aa
White text reads best on this color (8.13:1).
About this color
#6A339E is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.167 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 0.011 away. White text reads best on it, at 8.13:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.58:1 |
| White text | 8.13:1 |
Values
| HEX | #6A339E |
| RGB | rgb(106, 51, 158) |
| HSL | hsl(271, 51%, 41%) |
| OKLCH | oklch(44.9% 0.167 304) |
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 #6A339E | 8.13:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #6A339E | 2.58:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #6A339E text on white | 8.13:1 | AAA | Lc 87.6 | Fine for body text |
| #6A339E text on black | 2.58:1 | Fails | Lc -14.6 | Not readable |
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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE6FA
oklch(93.7% 0.028 303.9)
-
Step 200
200
#E1D1F7
oklch(88.6% 0.054 304.4)
-
Step 300
300
#CEB1F4
oklch(80.8% 0.098 304.1)
-
Step 400
400
#B685EF
oklch(70.7% 0.157 304)
-
Step 500
500
#A562E9
oklch(63.2% 0.199 304.2)
-
Step 600
600
#9043D7
oklch(55.6% 0.216 303.9)
-
Step 700
700
#7B33BB
oklch(49.1% 0.202 303.9)
-
Step 800
800 (this color)
#6A339E
oklch(44.9% 0.167 304)
-
Step 900
900
#512A78
oklch(37.7% 0.129 303.8)
-
Step 950
950
#2F1946
oklch(26.8% 0.082 303.9)
#6A339E 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) | #004EA1 | 0.130 |
| Deuteranopia (no green cones) | #0B4F9C | 0.128 |
| Tritanopia (no blue cones) | #604B64 | 0.122 |
| Achromatopsia (no color) | #4F4F4F | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A339E
#6A339E
oklch(44.9% 0.167 304)
- #485E00
#485E00
oklch(44.7% 0.111 123.9)
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 #6A339E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.011
- Grape #7209B7 ΔE 0.061
- Blueberry #464196 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.071
- Bluey Purple #6241C7 ΔE 0.072
- Chrysanthemum #560BAD ΔE 0.074
- Blue With A Hint Of Purple #533CC6 ΔE 0.079
- Purple #800080 ΔE 0.085
Use #6A339E 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.