#6336A9
Closest named color: Rebecca Purple (#663399). oklch(45.3% 0.174 296.8), rgb(99, 54, 169).
Aa
White text reads best on this color (7.98:1).
About this color
#6336A9 is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.174 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.027 away. White text reads best on it, at 7.98:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.63:1 |
| White text | 7.98:1 |
Values
| HEX | #6336A9 |
| RGB | rgb(99, 54, 169) |
| HSL | hsl(263, 52%, 44%) |
| OKLCH | oklch(45.3% 0.174 296.8) |
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 #6336A9 | 7.98:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #6336A9 | 2.63:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #6336A9 text on white | 7.98:1 | AAA | Lc 87.1 | Fine for body text |
| #6336A9 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FC
oklch(93.5% 0.03 296.2)
-
Step 200
200
#DCD2FB
oklch(88.5% 0.057 296.4)
-
Step 300
300
#C7B3FB
oklch(80.9% 0.102 296.8)
-
Step 400
400
#AC88F9
oklch(70.8% 0.163 296.7)
-
Step 500
500
#9964F6
oklch(63.1% 0.209 296.7)
-
Step 600
600
#8545E4
oklch(55.6% 0.226 296.7)
-
Step 700
700
#7134C6
oklch(49% 0.211 296.8)
-
Step 800
800 (this color)
#6336A9
oklch(45.3% 0.174 296.8)
-
Step 900
900
#4B2B7F
oklch(37.7% 0.135 296.9)
-
Step 950
950
#2C1A4B
oklch(27% 0.087 297.1)
#6336A9 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 | 0.114 |
| Deuteranopia (no green cones) | #004FA7 | 0.115 |
| Tritanopia (no blue cones) | #51516B | 0.134 |
| Achromatopsia (no color) | #515151 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6336A9
#6336A9
oklch(45.3% 0.174 296.8)
- #535D00
#535D00
oklch(45.4% 0.104 116.8)
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 #6336A9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.027
- Bluey Purple #6241C7 ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.056
- Grape #7209B7 ΔE 0.060
- Blueberry #464196 ΔE 0.062
- Blurple #5539CC ΔE 0.062
- Chrysanthemum #560BAD ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.069
Use #6336A9 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.