#635F89
Closest named color: Dusky Blue (#475F94). oklch(50.6% 0.066 288.2), rgb(99, 95, 137).
Aa
White text reads best on this color (5.95:1).
About this color
#635F89 is a medium-dark, muted purple. In OKLCH its lightness is 51%, its chroma 0.066 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.042 away. White text reads best on it, at 5.95:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.52:1 |
| White text | 5.95:1 |
Values
| HEX | #635F89 |
| RGB | rgb(99, 95, 137) |
| HSL | hsl(246, 18%, 45%) |
| OKLCH | oklch(50.6% 0.066 288.2) |
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 #635F89 | 5.95:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #635F89 | 3.52:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #635F89 text on white | 5.95:1 | AA | Lc 79.7 | Fine for body text |
| #635F89 text on black | 3.52:1 | AA large text | Lc -22.1 | 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
#BFBED5
oklch(81% 0.032 287.7)
-
Step 400
400
#9E9CBF
oklch(70.6% 0.051 287.6)
-
Step 500
500
#8783AF
oklch(63% 0.066 288.5)
-
Step 600
600
#716D9B
oklch(55.7% 0.071 287.8)
-
Step 700
700 (this color)
#635F89
oklch(50.6% 0.066 288.2)
-
Step 800
800
#4D4A6C
oklch(42.6% 0.056 287.8)
-
Step 900
900
#403E57
oklch(37.7% 0.042 287.8)
-
Step 950
950
#262433
oklch(26.9% 0.028 290.5)
#635F89 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) | #54658B | 0.026 |
| Deuteranopia (no green cones) | #536388 | 0.025 |
| Tritanopia (no blue cones) | #5A666E | 0.056 |
| Achromatopsia (no color) | #646464 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635F89
#635F89
oklch(50.6% 0.066 288.2)
- #68683A
#68683A
oklch(50.6% 0.066 108.5)
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 #635F89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.042
- Dusty Grape #545775 ΔE 0.044
- Muted Purple #805B87 ΔE 0.048
- Dusk #4E5481 ΔE 0.048
- Dusty Purple #825F87 ΔE 0.051
- Denim #3B638C ΔE 0.052
- Slate #516572 ΔE 0.054
- Twilight #4E518B ΔE 0.055
Use #635F89 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.