#64649C
Closest named color: Dusky Blue (#475F94). oklch(52.7% 0.087 283), rgb(100, 100, 156).
Aa
White text reads best on this color (5.46:1).
About this color
#64649C is a medium-dark, moderately saturated purple. In OKLCH its lightness is 53%, its chroma 0.087 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.046 away. White text reads best on it, at 5.46:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #64649C |
| RGB | rgb(100, 100, 156) |
| HSL | hsl(240, 22%, 50%) |
| OKLCH | oklch(52.7% 0.087 283) |
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 #64649C | 5.46:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #64649C | 3.84:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #64649C text on white | 5.46:1 | AA | Lc 77.2 | Fine for body text |
| #64649C text on black | 3.84:1 | AA large text | Lc -24.6 | 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 600.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D7D8E8
oklch(88.6% 0.022 283.1)
-
Step 300
300
#BCBEDA
oklch(80.9% 0.039 282.2)
-
Step 400
400
#9A9CC7
oklch(70.6% 0.063 282.6)
-
Step 500
500
#8283B9
oklch(63% 0.081 283)
-
Step 600
600 (this color)
#64649C
oklch(52.7% 0.087 283)
-
Step 700
700
#5A5A8D
oklch(49% 0.081 283)
-
Step 800
800
#4A4A73
oklch(42.7% 0.067 283.2)
-
Step 900
900
#3E3E5D
oklch(37.8% 0.053 283.6)
-
Step 950
950
#242436
oklch(26.9% 0.033 283.9)
#64649C 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) | #536B9E | 0.028 |
| Deuteranopia (no green cones) | #50689B | 0.029 |
| Tritanopia (no blue cones) | #556F79 | 0.076 |
| Achromatopsia (no color) | #696969 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64649C
#64649C
oklch(52.7% 0.087 283)
- #746D2B
#746D2B
oklch(52.7% 0.087 103.3)
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 #64649C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.046
- French Blue #436BAD ΔE 0.048
- Dark Lavender #856798 ΔE 0.055
- Muted Purple #805B87 ΔE 0.055
- Dull Blue #49759C ΔE 0.056
- Dusty Purple #825F87 ΔE 0.056
- Muted Blue #3B719F ΔE 0.057
- Flat Blue #3C73A8 ΔE 0.058
Use #64649C 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.