#634693
Closest named color: Rebecca Purple (#663399). oklch(46.3% 0.123 298.9), rgb(99, 70, 147).
Aa
White text reads best on this color (7.42:1).
About this color
#634693 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.123 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.045 away. White text reads best on it, at 7.42:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.82:1 |
| White text | 7.42:1 |
Values
| HEX | #634693 |
| RGB | rgb(99, 70, 147) |
| HSL | hsl(263, 35%, 43%) |
| OKLCH | oklch(46.3% 0.123 298.9) |
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 #634693 | 7.42:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #634693 | 2.82:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #634693 text on white | 7.42:1 | AAA | Lc 85.6 | Fine for body text |
| #634693 text on black | 2.82:1 | Fails | Lc -16.4 | 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 700.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F4
oklch(93.7% 0.016 297.5)
-
Step 200
200
#DCD5ED
oklch(88.6% 0.033 299)
-
Step 300
300
#C5B9E2
oklch(80.9% 0.058 298.5)
-
Step 400
400
#A893D4
oklch(70.6% 0.096 298.8)
-
Step 500
500
#9478C8
oklch(63.2% 0.12 299.1)
-
Step 600
600
#7F5FB5
oklch(55.6% 0.132 299.2)
-
Step 700
700 (this color)
#634693
oklch(46.3% 0.123 298.9)
-
Step 800
800
#57407E
oklch(42.6% 0.102 299.2)
-
Step 900
900
#483766
oklch(37.8% 0.08 299.2)
-
Step 950
950
#2A213B
oklch(27.1% 0.048 299.1)
#634693 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) | #2B5596 | 0.083 |
| Deuteranopia (no green cones) | #325591 | 0.078 |
| Tritanopia (no blue cones) | #595566 | 0.095 |
| Achromatopsia (no color) | #555555 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #634693
#634693
oklch(46.3% 0.123 298.9)
- #536100
#536100
oklch(46.4% 0.109 119)
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 #634693, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.045
- Twilight #4E518B ΔE 0.046
- Blueberry #464196 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.056
- Dusk #4E5481 ΔE 0.061
- Light Eggplant #894585 ΔE 0.075
- Dusky Blue #475F94 ΔE 0.075
- Denim Blue #3B5B92 ΔE 0.077
Use #634693 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.