#633EAF
Closest named color: Bluey Purple (#6241C7). oklch(46.9% 0.171 293.8), rgb(99, 62, 175).
Aa
White text reads best on this color (7.39:1).
About this color
#633EAF is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.171 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 0.038 away. White text reads best on it, at 7.39:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 2.83:1 |
| White text | 7.39:1 |
Values
| HEX | #633EAF |
| RGB | rgb(99, 62, 175) |
| HSL | hsl(260, 48%, 46%) |
| OKLCH | oklch(46.9% 0.171 293.8) |
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 #633EAF | 7.39:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #633EAF | 2.83:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #633EAF text on white | 7.39:1 | AAA | Lc 85.2 | Fine for body text |
| #633EAF text on black | 2.83:1 | Fails | Lc -16.8 | 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
#DAD4F5
oklch(88.5% 0.045 293.8)
-
Step 300
300
#C3B7F2
oklch(81% 0.083 293.8)
-
Step 400
400
#A58FEB
oklch(70.7% 0.133 293.7)
-
Step 500
500
#9170E4
oklch(63% 0.169 294.1)
-
Step 600
600
#7C55D2
oklch(55.5% 0.184 293.9)
-
Step 700
700 (this color)
#633EAF
oklch(46.9% 0.171 293.8)
-
Step 800
800
#553993
oklch(42.6% 0.142 293.9)
-
Step 900
900
#463275
oklch(37.6% 0.11 294.2)
-
Step 950
950
#291E45
oklch(27% 0.071 294.2)
#633EAF 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) | #0057B3 | 0.107 |
| Deuteranopia (no green cones) | #0054AD | 0.107 |
| Tritanopia (no blue cones) | #4E5871 | 0.134 |
| Achromatopsia (no color) | #555555 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #633EAF
#633EAF
oklch(46.9% 0.171 293.8)
- #5B6000
#5B6000
oklch(46.9% 0.105 113.3)
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 #633EAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.038
- Rebecca Purple #663399 ΔE 0.042
- Blue With A Hint Of Purple #533CC6 ΔE 0.047
- Blurple #5539CC ΔE 0.054
- Blueberry #464196 ΔE 0.063
- Iris #6258C4 ΔE 0.066
- Purple Blue #5D21D0 ΔE 0.070
- Grape #7209B7 ΔE 0.071
Use #633EAF 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.