#63409F
Closest named color: Rebecca Purple (#663399). oklch(46.1% 0.148 297.2), rgb(99, 64, 159).
Aa
White text reads best on this color (7.59:1).
About this color
#63409F is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.148 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 0.029 away. White text reads best on it, at 7.59:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.76:1 |
| White text | 7.59:1 |
Values
| HEX | #63409F |
| RGB | rgb(99, 64, 159) |
| HSL | hsl(262, 43%, 44%) |
| OKLCH | oklch(46.1% 0.148 297.2) |
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 #63409F | 7.59:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #63409F | 2.76:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #63409F text on white | 7.59:1 | AAA | Lc 86.0 | Fine for body text |
| #63409F text on black | 2.76:1 | Fails | Lc -16.0 | 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 700.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DBD4F1
oklch(88.4% 0.04 296.6)
-
Step 300
300
#C5B7EA
oklch(80.8% 0.072 297.3)
-
Step 400
400
#A891DF
oklch(70.7% 0.114 297)
-
Step 500
500
#9473D6
oklch(63% 0.147 297.4)
-
Step 600
600
#7F5AC3
oklch(55.6% 0.158 297.2)
-
Step 700
700 (this color)
#63409F
oklch(46.1% 0.148 297.2)
-
Step 800
800
#573D89
oklch(42.8% 0.122 296.7)
-
Step 900
900
#48346D
oklch(37.6% 0.096 297.8)
-
Step 950
950
#2A1F40
oklch(27% 0.061 297.6)
#63409F 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) | #0654A2 | 0.106 |
| Deuteranopia (no green cones) | #1B539D | 0.098 |
| Tritanopia (no blue cones) | #555469 | 0.115 |
| Achromatopsia (no color) | #545454 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63409F
#63409F
oklch(46.1% 0.148 297.2)
- #545F00
#545F00
oklch(46% 0.106 117.3)
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 #63409F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.029
- Blueberry #464196 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.058
- Bluey Purple #6241C7 ΔE 0.064
- Twilight #4E518B ΔE 0.065
- Blue With A Hint Of Purple #533CC6 ΔE 0.070
- Iris #6258C4 ΔE 0.077
- Blurple #5539CC ΔE 0.079
Use #63409F 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.