#635D88
Closest named color: Dusty Grape (#545775). oklch(50.2% 0.068 290.1), rgb(99, 93, 136).
Aa
White text reads best on this color (6.08:1).
About this color
#635D88 is a medium-dark, muted purple. In OKLCH its lightness is 50%, its chroma 0.068 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.042 away. White text reads best on it, at 6.08:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.45:1 |
| White text | 6.08:1 |
Values
| HEX | #635D88 |
| RGB | rgb(99, 93, 136) |
| HSL | hsl(248, 19%, 45%) |
| OKLCH | oklch(50.2% 0.068 290.1) |
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 #635D88 | 6.08:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #635D88 | 3.45:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #635D88 text on white | 6.08:1 | AA | Lc 80.4 | Fine for body text |
| #635D88 text on black | 3.45:1 | AA large text | Lc -21.5 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D8D7E5
oklch(88.4% 0.019 289.3)
-
Step 300
300
#C0BDD5
oklch(80.8% 0.034 291.4)
-
Step 400
400
#A09CC0
oklch(70.8% 0.052 290.1)
-
Step 500
500
#8983B0
oklch(63.2% 0.067 290.4)
-
Step 600
600
#736C9B
oklch(55.6% 0.072 290.7)
-
Step 700
700 (this color)
#635D88
oklch(50.2% 0.068 290.1)
-
Step 800
800
#4E4A6C
oklch(42.7% 0.056 289.2)
-
Step 900
900
#413E57
oklch(37.7% 0.042 289.7)
-
Step 950
950
#262433
oklch(26.9% 0.028 290.5)
#635D88 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) | #52638A | 0.028 |
| Deuteranopia (no green cones) | #526187 | 0.027 |
| Tritanopia (no blue cones) | #5B646C | 0.057 |
| Achromatopsia (no color) | #626262 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635D88
#635D88
oklch(50.2% 0.068 290.1)
- #666738
#666738
oklch(50.1% 0.067 109.7)
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 #635D88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.042
- Dusky Blue #475F94 ΔE 0.042
- Dusk #4E5481 ΔE 0.044
- Muted Purple #805B87 ΔE 0.048
- Twilight #4E518B ΔE 0.051
- Dusty Purple #825F87 ΔE 0.053
- Denim #3B638C ΔE 0.053
- Slate #516572 ΔE 0.056
Use #635D88 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.