#633DAF
Closest named color: Bluey Purple (#6241C7). oklch(46.8% 0.172 294), rgb(99, 61, 175).
Aa
White text reads best on this color (7.45:1).
About this color
#633DAF is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.172 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.039 away. White text reads best on it, at 7.45:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 2.81:1 |
| White text | 7.45:1 |
Values
| HEX | #633DAF |
| RGB | rgb(99, 61, 175) |
| HSL | hsl(260, 48%, 46%) |
| OKLCH | oklch(46.8% 0.172 294) |
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 #633DAF | 7.45:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #633DAF | 2.81:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #633DAF text on white | 7.45:1 | AAA | Lc 85.4 | Fine for body text |
| #633DAF text on black | 2.81:1 | Fails | Lc -16.6 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#DAD4F6
oklch(88.5% 0.047 293.5)
-
Step 300
300
#C3B7F2
oklch(81% 0.083 293.8)
-
Step 400
400
#A68FEB
oklch(70.7% 0.133 294.2)
-
Step 500
500
#9170E5
oklch(63.1% 0.171 294)
-
Step 600
600
#7D55D3
oklch(55.7% 0.186 294.2)
-
Step 700
700 (this color)
#633DAF
oklch(46.8% 0.172 294)
-
Step 800
800
#563994
oklch(42.8% 0.143 294.2)
-
Step 900
900
#463276
oklch(37.7% 0.112 293.9)
-
Step 950
950
#291E45
oklch(27% 0.071 294.2)
#633DAF 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) | #0056B3 | 0.108 |
| Deuteranopia (no green cones) | #0053AD | 0.108 |
| Tritanopia (no blue cones) | #4E5870 | 0.137 |
| Achromatopsia (no color) | #555555 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #633DAF
#633DAF
oklch(46.8% 0.172 294)
- #5A6000
#5A6000
oklch(46.8% 0.105 113.9)
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 #633DAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.039
- Rebecca Purple #663399 ΔE 0.041
- Blue With A Hint Of Purple #533CC6 ΔE 0.047
- Blurple #5539CC ΔE 0.054
- Blueberry #464196 ΔE 0.064
- Iris #6258C4 ΔE 0.067
- Purple Blue #5D21D0 ΔE 0.068
- Grape #7209B7 ΔE 0.069
Use #633DAF 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.