#6D33A9
Closest named color: Rebecca Purple (#663399). oklch(46.1% 0.18 302.3), rgb(109, 51, 169).
Aa
White text reads best on this color (7.78:1).
About this color
#6D33A9 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.180 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.029 away. White text reads best on it, at 7.78:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #6D33A9 |
| RGB | rgb(109, 51, 169) |
| HSL | hsl(269, 54%, 43%) |
| OKLCH | oklch(46.1% 0.18 302.3) |
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 #6D33A9 | 7.78:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #6D33A9 | 2.69:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #6D33A9 text on white | 7.78:1 | AAA | Lc 86.3 | Fine for body text |
| #6D33A9 text on black | 2.69:1 | Fails | Lc -15.7 | 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 700.
-
Step 50
50
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#DFD2F4
oklch(88.5% 0.048 302.8)
-
Step 300
300
#CBB4F0
oklch(81% 0.087 302)
-
Step 400
400
#B18AE8
oklch(70.7% 0.139 302.1)
-
Step 500
500
#9F69E1
oklch(63.1% 0.178 302.4)
-
Step 600
600
#8A4DCF
oklch(55.6% 0.194 302)
-
Step 700
700 (this color)
#6D33A9
oklch(46.1% 0.18 302.3)
-
Step 800
800
#603391
oklch(42.7% 0.15 302.5)
-
Step 900
900
#4E2E74
oklch(37.7% 0.117 302.2)
-
Step 950
950
#2E1C44
oklch(27.1% 0.074 302.6)
#6D33A9 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) | #0051AC | 0.132 |
| Deuteranopia (no green cones) | #0052A7 | 0.134 |
| Tritanopia (no blue cones) | #614F6A | 0.133 |
| Achromatopsia (no color) | #525252 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D33A9
#6D33A9
oklch(46.1% 0.18 302.3)
- #4E6100
#4E6100
oklch(46% 0.112 122)
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 #6D33A9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.029
- Grape #7209B7 ΔE 0.051
- Bluey Purple #6241C7 ΔE 0.058
- Blue With A Hint Of Purple #533CC6 ΔE 0.069
- Blurple #5539CC ΔE 0.073
- Chrysanthemum #560BAD ΔE 0.074
- Purple Blue #5D21D0 ΔE 0.076
- Blueberry #464196 ΔE 0.078
Use #6D33A9 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.