#634475
Closest named color: Dusk (#4E5481). oklch(44.2% 0.086 312.3), rgb(99, 68, 117).
Aa
White text reads best on this color (8.03:1).
About this color
#634475 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.086 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.053 away. White text reads best on it, at 8.03:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.61:1 |
| White text | 8.03:1 |
Values
| HEX | #634475 |
| RGB | rgb(99, 68, 117) |
| HSL | hsl(278, 26%, 36%) |
| OKLCH | oklch(44.2% 0.086 312.3) |
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 #634475 | 8.03:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #634475 | 2.61:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #634475 text on white | 8.03:1 | AAA | Lc 87.7 | Fine for body text |
| #634475 text on black | 2.61:1 | Fails | Lc -14.4 | Not readable |
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 800.
-
Step 50
50
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F1
oklch(93.6% 0.015 312.2)
-
Step 200
200
#DFD4E7
oklch(88.4% 0.028 311.3)
-
Step 300
300
#CCB8D9
oklch(81% 0.051 312.1)
-
Step 400
400
#B292C5
oklch(70.7% 0.081 312.7)
-
Step 500
500
#9F77B6
oklch(63.2% 0.102 312.7)
-
Step 600
600
#895FA2
oklch(55.6% 0.111 312)
-
Step 700
700
#754E8B
oklch(49.2% 0.104 312.5)
-
Step 800
800 (this color)
#634475
oklch(44.2% 0.086 312.3)
-
Step 900
900
#4E375B
oklch(37.8% 0.066 312.7)
-
Step 950
950
#2D2035
oklch(26.9% 0.042 312)
#634475 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) | #3B4F77 | 0.068 |
| Deuteranopia (no green cones) | #425174 | 0.062 |
| Tritanopia (no blue cones) | #614B57 | 0.060 |
| Achromatopsia (no color) | #505050 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #634475
#634475
oklch(44.2% 0.086 312.3)
- #405D28
#405D28
oklch(44.2% 0.086 132.7)
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 #634475, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.053
- Twilight #4E518B ΔE 0.054
- Dusty Grape #545775 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.067
- Brownish Purple #76424E ΔE 0.072
- Light Eggplant #894585 ΔE 0.076
- Blueberry #464196 ΔE 0.076
- Rebecca Purple #663399 ΔE 0.077
Use #634475 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.