#635B97
Closest named color: Dusky Blue (#475F94). oklch(50.5% 0.094 288.7), rgb(99, 91, 151).
Aa
White text reads best on this color (6.04:1).
About this color
#635B97 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.094 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.041 away. White text reads best on it, at 6.04:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.47:1 |
| White text | 6.04:1 |
Values
| HEX | #635B97 |
| RGB | rgb(99, 91, 151) |
| HSL | hsl(248, 25%, 47%) |
| OKLCH | oklch(50.5% 0.094 288.7) |
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 #635B97 | 6.04:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #635B97 | 3.47:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #635B97 text on white | 6.04:1 | AA | Lc 80.1 | Fine for body text |
| #635B97 text on black | 3.47:1 | AA large text | Lc -21.7 | 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
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D8D7E9
oklch(88.5% 0.025 288.4)
-
Step 300
300
#BFBCDD
oklch(80.8% 0.046 289.5)
-
Step 400
400
#9E9ACC
oklch(70.8% 0.073 288.1)
-
Step 500
500
#8780BE
oklch(63% 0.092 288.6)
-
Step 600
600
#7169AB
oklch(55.6% 0.101 288.2)
-
Step 700
700 (this color)
#635B97
oklch(50.5% 0.094 288.7)
-
Step 800
800
#4E4777
oklch(42.7% 0.078 289.3)
-
Step 900
900
#403C60
oklch(37.7% 0.061 288.2)
-
Step 950
950
#262338
oklch(27% 0.039 290.1)
#635B97 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) | #496499 | 0.041 |
| Deuteranopia (no green cones) | #486196 | 0.040 |
| Tritanopia (no blue cones) | #566672 | 0.079 |
| Achromatopsia (no color) | #636363 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635B97
#635B97
oklch(50.5% 0.094 288.7)
- #69691F
#69691F
oklch(50.6% 0.094 109.4)
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 #635B97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.041
- Twilight #4E518B ΔE 0.048
- Dusk #4E5481 ΔE 0.052
- Muted Purple #805B87 ΔE 0.054
- Denim Blue #3B5B92 ΔE 0.056
- French Blue #436BAD ΔE 0.060
- Dusty Purple #825F87 ΔE 0.061
- Dusty Grape #545775 ΔE 0.061
Use #635B97 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.