#64487E
Closest named color: Twilight (#4E518B). oklch(45.5% 0.091 307), rgb(100, 72, 126).
Aa
White text reads best on this color (7.58:1).
About this color
#64487E is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.091 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.044 away. White text reads best on it, at 7.58:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.77:1 |
| White text | 7.58:1 |
Values
| HEX | #64487E |
| RGB | rgb(100, 72, 126) |
| HSL | hsl(271, 27%, 39%) |
| OKLCH | oklch(45.5% 0.091 307) |
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 #64487E | 7.58:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #64487E | 2.77:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #64487E text on white | 7.58:1 | AAA | Lc 86.2 | Fine for body text |
| #64487E text on black | 2.77:1 | Fails | Lc -15.8 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#ECE7F2
oklch(93.5% 0.016 306.4)
-
Step 200
200
#DED4E9
oklch(88.4% 0.03 307.1)
-
Step 300
300
#C9B8DC
oklch(80.8% 0.053 306.5)
-
Step 400
400
#AE93CA
oklch(70.7% 0.084 306.7)
-
Step 500
500
#9B77BD
oklch(63.1% 0.109 307.1)
-
Step 600
600
#865FA9
oklch(55.7% 0.118 307.3)
-
Step 700
700
#714E91
oklch(49.1% 0.11 306.9)
-
Step 800
800 (this color)
#64487E
oklch(45.5% 0.091 307)
-
Step 900
900
#4B375F
oklch(37.7% 0.071 306.3)
-
Step 950
950
#2C2038
oklch(26.9% 0.046 306.5)
#64487E 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) | #3C5380 | 0.066 |
| Deuteranopia (no green cones) | #42547D | 0.061 |
| Tritanopia (no blue cones) | #60505D | 0.066 |
| Achromatopsia (no color) | #545454 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64487E
#64487E
oklch(45.5% 0.091 307)
- #496023
#496023
oklch(45.6% 0.091 127.1)
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 #64487E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.044
- Dusk #4E5481 ΔE 0.046
- Dusty Grape #545775 ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.066
- Light Eggplant #894585 ΔE 0.070
- Blueberry #464196 ΔE 0.071
- Rebecca Purple #663399 ΔE 0.071
- YInMn Blue #415A77 ΔE 0.074
Use #64487E 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.