#64477D
Closest named color: Twilight (#4E518B). oklch(45.3% 0.091 307.9), rgb(100, 71, 125).
Aa
White text reads best on this color (7.66:1).
About this color
#64477D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.091 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.045 away. White text reads best on it, at 7.66:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.73:1 |
| White text | 7.66:1 |
Values
| HEX | #64477D |
| RGB | rgb(100, 71, 125) |
| HSL | hsl(272, 28%, 38%) |
| OKLCH | oklch(45.3% 0.091 307.9) |
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 #64477D | 7.66:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #64477D | 2.73:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #64477D text on white | 7.66:1 | AAA | Lc 86.5 | Fine for body text |
| #64477D text on black | 2.73:1 | Fails | Lc -15.6 | 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
#EDE7F2
oklch(93.6% 0.016 310.1)
-
Step 200
200
#DED4E9
oklch(88.4% 0.03 307.1)
-
Step 300
300
#CAB8DC
oklch(80.9% 0.054 307.7)
-
Step 400
400
#AF92CA
oklch(70.6% 0.086 307.9)
-
Step 500
500
#9C77BC
oklch(63.2% 0.108 308.2)
-
Step 600
600
#865FA9
oklch(55.7% 0.118 307.3)
-
Step 700
700
#724E91
oklch(49.2% 0.11 307.6)
-
Step 800
800 (this color)
#64477D
oklch(45.3% 0.091 307.9)
-
Step 900
900
#4C375F
oklch(37.8% 0.071 307.5)
-
Step 950
950
#2C2037
oklch(26.9% 0.045 307.6)
#64477D 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) | #3B527F | 0.067 |
| Deuteranopia (no green cones) | #42547C | 0.062 |
| Tritanopia (no blue cones) | #614F5C | 0.066 |
| Achromatopsia (no color) | #535353 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64477D
#64477D
oklch(45.3% 0.091 307.9)
- #475F23
#475F23
oklch(45.2% 0.091 127.9)
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 #64477D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.045
- Dusk #4E5481 ΔE 0.047
- Dusty Grape #545775 ΔE 0.055
- Dark Slate Blue #483D8B ΔE 0.065
- Light Eggplant #894585 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.071
- Blueberry #464196 ΔE 0.071
- YInMn Blue #415A77 ΔE 0.076
Use #64477D 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.