#633FC2
Closest named color: Bluey Purple (#6241C7). oklch(48.6% 0.193 289.9), rgb(99, 63, 194).
Aa
White text reads best on this color (6.95:1).
About this color
#633FC2 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.193 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.009 away. White text reads best on it, at 6.95:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.193) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.02:1 |
| White text | 6.95:1 |
Values
| HEX | #633FC2 |
| RGB | rgb(99, 63, 194) |
| HSL | hsl(256, 52%, 50%) |
| OKLCH | oklch(48.6% 0.193 289.9) |
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 #633FC2 | 6.95:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #633FC2 | 3.02:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #633FC2 text on white | 6.95:1 | AA | Lc 83.5 | Fine for body text |
| #633FC2 text on black | 3.02:1 | AA large text | Lc -18.5 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D8D4FA
oklch(88.5% 0.052 290.1)
-
Step 300
300
#BFB7F9
oklch(80.9% 0.093 289.7)
-
Step 400
400
#A08EF6
oklch(70.6% 0.149 290)
-
Step 500
500
#8B6EF3
oklch(63.1% 0.191 289.8)
-
Step 600
600
#7751E1
oklch(55.5% 0.208 290.1)
-
Step 700
700 (this color)
#633FC2
oklch(48.6% 0.193 289.9)
-
Step 800
800
#51369E
oklch(42.6% 0.16 289.8)
-
Step 900
900
#43317E
oklch(37.8% 0.125 289.9)
-
Step 950
950
#271D4A
oklch(27% 0.08 290.2)
#633FC2 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) | #005CC6 | 0.105 |
| Deuteranopia (no green cones) | #0056BF | 0.102 |
| Tritanopia (no blue cones) | #43607B | 0.157 |
| Achromatopsia (no color) | #595959 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #633FC2
#633FC2
oklch(48.6% 0.193 289.9)
- #646400
#646400
oklch(48.7% 0.106 109.8)
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 #633FC2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.009
- Blue With A Hint Of Purple #533CC6 ΔE 0.030
- Blurple #5539CC ΔE 0.033
- Purple Blue #5D21D0 ΔE 0.052
- Burple #6832E3 ΔE 0.054
- Iris #6258C4 ΔE 0.055
- Purpley Blue #5F34E7 ΔE 0.060
- Slate Blue #6A5ACD ΔE 0.063
Use #633FC2 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.