#635D90
Closest named color: Dusky Blue (#475F94). oklch(50.6% 0.08 288.6), rgb(99, 93, 144).
Aa
White text reads best on this color (6.00:1).
About this color
#635D90 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.080 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.039 away. White text reads best on it, at 6.00:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.49:1 |
| White text | 6.00:1 |
Values
| HEX | #635D90 |
| RGB | rgb(99, 93, 144) |
| HSL | hsl(247, 22%, 46%) |
| OKLCH | oklch(50.6% 0.08 288.6) |
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 #635D90 | 6.00:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #635D90 | 3.49:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #635D90 text on white | 6.00:1 | AA | Lc 80.0 | Fine for body text |
| #635D90 text on black | 3.49:1 | AA large text | Lc -21.9 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F1
oklch(93.6% 0.011 286.2)
-
Step 200
200
#D8D7E7
oklch(88.5% 0.022 288.8)
-
Step 300
300
#BFBDD9
oklch(80.9% 0.039 288.8)
-
Step 400
400
#9E9BC6
oklch(70.7% 0.062 287.9)
-
Step 500
500
#8782B7
oklch(63.1% 0.079 288.2)
-
Step 600
600
#716BA3
oklch(55.6% 0.086 288.2)
-
Step 700
700 (this color)
#635D90
oklch(50.6% 0.08 288.6)
-
Step 800
800
#4D4971
oklch(42.7% 0.066 287.9)
-
Step 900
900
#403D5C
oklch(37.7% 0.053 288)
-
Step 950
950
#262436
oklch(27.1% 0.033 289.1)
#635D90 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) | #4E6492 | 0.033 |
| Deuteranopia (no green cones) | #4E628F | 0.032 |
| Tritanopia (no blue cones) | #586670 | 0.067 |
| Achromatopsia (no color) | #636363 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635D90
#635D90
oklch(50.6% 0.08 288.6)
- #69682E
#69682E
oklch(50.5% 0.08 108)
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 #635D90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.039
- Dusk #4E5481 ΔE 0.048
- Muted Purple #805B87 ΔE 0.049
- Twilight #4E518B ΔE 0.050
- Dusty Grape #545775 ΔE 0.051
- Dusty Purple #825F87 ΔE 0.054
- Denim #3B638C ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.056
Use #635D90 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.