#635FC6
Closest named color: Iris (#6258C4). oklch(54.2% 0.156 281.6), rgb(99, 95, 198).
Aa
White text reads best on this color (5.27:1).
About this color
#635FC6 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.156 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.017 away. White text reads best on it, at 5.27:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #635FC6 |
| RGB | rgb(99, 95, 198) |
| HSL | hsl(242, 47%, 57%) |
| OKLCH | oklch(54.2% 0.156 281.6) |
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 #635FC6 | 5.27:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #635FC6 | 3.98:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #635FC6 text on white | 5.27:1 | AA | Lc 76.0 | Fine for body text |
| #635FC6 text on black | 3.98:1 | AA large text | Lc -25.8 | 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 600.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F8
oklch(93.7% 0.02 279.9)
-
Step 200
200
#D4D7F3
oklch(88.6% 0.039 280.7)
-
Step 300
300
#B8BCEE
oklch(80.9% 0.071 281.1)
-
Step 400
400
#9598E5
oklch(70.8% 0.112 281.4)
-
Step 500
500
#7C7CDD
oklch(63% 0.143 281.5)
-
Step 600
600 (this color)
#635FC6
oklch(54.2% 0.156 281.6)
-
Step 700
700
#5652AF
oklch(49.2% 0.144 281.7)
-
Step 800
800
#46438E
oklch(42.6% 0.121 281.8)
-
Step 900
900
#3A3A71
oklch(37.8% 0.092 281)
-
Step 950
950
#222242
oklch(27% 0.059 281.7)
#635FC6 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) | #2B6FCA | 0.067 |
| Deuteranopia (no green cones) | #2168C4 | 0.070 |
| Tritanopia (no blue cones) | #3D7689 | 0.135 |
| Achromatopsia (no color) | #6C6C6C | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635FC6
#635FC6
oklch(54.2% 0.156 281.6)
- #7D7100
#7D7100
oklch(54.3% 0.114 102.1)
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 #635FC6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.017
- Dark Periwinkle #665FD1 ΔE 0.018
- Slate Blue #6A5ACD ΔE 0.019
- Light Indigo #6D5ACF ΔE 0.024
- Warm Blue #4B57DB ΔE 0.053
- Royal Blue #4169E1 ΔE 0.059
- French Blue #436BAD ΔE 0.066
- Bluey Purple #6241C7 ΔE 0.068
Use #635FC6 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.