#634474
Closest named color: Dusk (#4E5481). oklch(44.1% 0.085 312.9), rgb(99, 68, 116).
Aa
White text reads best on this color (8.04:1).
About this color
#634474 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.085 and its hue 313°. 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 8.04:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.60:1 |
| White text | 8.04:1 |
Values
| HEX | #634474 |
| RGB | rgb(99, 68, 116) |
| HSL | hsl(279, 26%, 36%) |
| OKLCH | oklch(44.1% 0.085 312.9) |
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 #634474 | 8.04:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #634474 | 2.60:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #634474 text on white | 8.04:1 | AAA | Lc 87.8 | Fine for body text |
| #634474 text on black | 2.60:1 | 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
#DFD4E6
oklch(88.4% 0.027 312.6)
-
Step 300
300
#CCB8D8
oklch(80.9% 0.049 312.9)
-
Step 400
400
#B292C4
oklch(70.6% 0.08 313.2)
-
Step 500
500
#9F77B5
oklch(63.1% 0.101 313.1)
-
Step 600
600
#8A5FA1
oklch(55.7% 0.11 313.1)
-
Step 700
700
#754E8A
oklch(49.1% 0.103 313)
-
Step 800
800 (this color)
#634474
oklch(44.1% 0.085 312.9)
-
Step 900
900
#4E375B
oklch(37.8% 0.066 312.7)
-
Step 950
950
#2E2035
oklch(27% 0.043 314)
#634474 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) | #3B4E76 | 0.067 |
| Deuteranopia (no green cones) | #435173 | 0.061 |
| Tritanopia (no blue cones) | #624B56 | 0.060 |
| Achromatopsia (no color) | #505050 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #634474
#634474
oklch(44.1% 0.085 312.9)
- #405D29
#405D29
oklch(44.2% 0.085 133)
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 #634474, 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 0.055
- Dusty Grape #545775 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.068
- Brownish Purple #76424E ΔE 0.071
- Light Eggplant #894585 ΔE 0.077
- YInMn Blue #415A77 ΔE 0.077
- Blueberry #464196 ΔE 0.077
Use #634474 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.