#634873
Closest named color: Dusk (#4E5481). oklch(44.8% 0.076 312.3), rgb(99, 72, 115).
Aa
White text reads best on this color (7.76:1).
About this color
#634873 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.076 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.047 away. White text reads best on it, at 7.76:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.70:1 |
| White text | 7.76:1 |
Values
| HEX | #634873 |
| RGB | rgb(99, 72, 115) |
| HSL | hsl(278, 23%, 37%) |
| OKLCH | oklch(44.8% 0.076 312.3) |
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 #634873 | 7.76:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #634873 | 2.70:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #634873 text on white | 7.76:1 | AAA | Lc 86.9 | Fine for body text |
| #634873 text on black | 2.70:1 | Fails | Lc -15.2 | 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 800.
-
Step 50
50
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE7F0
oklch(93.5% 0.014 314.8)
-
Step 200
200
#DFD5E5
oklch(88.6% 0.024 313.1)
-
Step 300
300
#CAB9D6
oklch(80.9% 0.044 311.4)
-
Step 400
400
#B094C1
oklch(70.7% 0.071 312.5)
-
Step 500
500
#9C79B1
oklch(63% 0.091 312.3)
-
Step 600
600
#87629D
oklch(55.7% 0.098 312.2)
-
Step 700
700
#725186
oklch(49.2% 0.091 311.9)
-
Step 800
800 (this color)
#634873
oklch(44.8% 0.076 312.3)
-
Step 900
900
#4C3858
oklch(37.6% 0.059 312.3)
-
Step 950
950
#2D2134
oklch(27.1% 0.038 312.6)
#634873 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) | #415175 | 0.057 |
| Deuteranopia (no green cones) | #475372 | 0.053 |
| Tritanopia (no blue cones) | #624E58 | 0.053 |
| Achromatopsia (no color) | #525252 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #634873
#634873
oklch(44.8% 0.076 312.3)
- #455E30
#455E30
oklch(45% 0.076 132.1)
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 #634873, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.047
- Dusty Grape #545775 ΔE 0.047
- Twilight #4E518B ΔE 0.052
- Brownish Purple #76424E ΔE 0.067
- YInMn Blue #415A77 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.074
- Dark Mauve #874C62 ΔE 0.076
- Light Eggplant #894585 ΔE 0.077
Use #634873 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.