#64477E
Closest named color: Twilight (#4E518B). oklch(45.3% 0.093 307.4), rgb(100, 71, 126).
Aa
White text reads best on this color (7.65:1).
About this color
#64477E is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.093 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.045 away. White text reads best on it, at 7.65:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #64477E |
| RGB | rgb(100, 71, 126) |
| HSL | hsl(272, 28%, 39%) |
| OKLCH | oklch(45.3% 0.093 307.4) |
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 #64477E | 7.65:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #64477E | 2.74:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #64477E text on white | 7.65:1 | AAA | Lc 86.5 | Fine for body text |
| #64477E text on black | 2.74:1 | 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
#ECE7F2
oklch(93.5% 0.016 306.4)
-
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
#AF92CB
oklch(70.6% 0.087 307.5)
-
Step 500
500
#9B77BE
oklch(63.2% 0.111 306.8)
-
Step 600
600
#865EAA
oklch(55.5% 0.121 307.1)
-
Step 700
700
#724D92
oklch(49.1% 0.113 307.5)
-
Step 800
800 (this color)
#64477E
oklch(45.3% 0.093 307.4)
-
Step 900
900
#4C365F
oklch(37.6% 0.073 307.9)
-
Step 950
950
#2C2038
oklch(26.9% 0.046 306.5)
#64477E 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) | #3A5280 | 0.068 |
| Deuteranopia (no green cones) | #41547D | 0.063 |
| Tritanopia (no blue cones) | #60505C | 0.069 |
| Achromatopsia (no color) | #535353 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64477E
#64477E
oklch(45.3% 0.093 307.4)
- #485F21
#485F21
oklch(45.2% 0.092 127)
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 #64477E, 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 0.048
- Dusty Grape #545775 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.064
- Rebecca Purple #663399 ΔE 0.069
- Light Eggplant #894585 ΔE 0.070
- Blueberry #464196 ΔE 0.070
- YInMn Blue #415A77 ΔE 0.076
Use #64477E 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.