#635EC4
Closest named color: Iris (#6258C4). oklch(53.9% 0.154 282.1), rgb(99, 94, 196).
Aa
White text reads best on this color (5.34:1).
About this color
#635EC4 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.154 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.015 away. White text reads best on it, at 5.34:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #635EC4 |
| RGB | rgb(99, 94, 196) |
| HSL | hsl(243, 46%, 57%) |
| OKLCH | oklch(53.9% 0.154 282.1) |
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 #635EC4 | 5.34:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #635EC4 | 3.92:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #635EC4 text on white | 5.34:1 | AA | Lc 76.4 | Fine for body text |
| #635EC4 text on black | 3.92:1 | AA large text | Lc -25.4 | 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 600.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D4D7F3
oklch(88.6% 0.039 280.7)
-
Step 300
300
#B9BCED
oklch(81% 0.069 282)
-
Step 400
400
#9698E4
oklch(70.8% 0.11 282)
-
Step 500
500
#7D7CDC
oklch(63% 0.142 282)
-
Step 600
600 (this color)
#635EC4
oklch(53.9% 0.154 282.1)
-
Step 700
700
#5752AE
oklch(49.2% 0.142 282.3)
-
Step 800
800
#47438D
oklch(42.6% 0.119 282.6)
-
Step 900
900
#3B3971
oklch(37.6% 0.094 282.5)
-
Step 950
950
#222242
oklch(27% 0.059 281.7)
#635EC4 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) | #2B6EC8 | 0.067 |
| Deuteranopia (no green cones) | #2267C2 | 0.070 |
| Tritanopia (no blue cones) | #3F7488 | 0.132 |
| Achromatopsia (no color) | #6B6B6B | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635EC4
#635EC4
oklch(53.9% 0.154 282.1)
- #7C7000
#7C7000
oklch(53.9% 0.113 102)
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 #635EC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.015
- Slate Blue #6A5ACD ΔE 0.020
- Dark Periwinkle #665FD1 ΔE 0.021
- Light Indigo #6D5ACF ΔE 0.025
- Warm Blue #4B57DB ΔE 0.054
- Royal Blue #4169E1 ΔE 0.061
- Bluey Purple #6241C7 ΔE 0.066
- French Blue #436BAD ΔE 0.066
Use #635EC4 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.