#644BFA#644BFA

#644BFA is a mid, highly saturated blue. Relative luminance 0.146; OKLCH L 55.2% C 0.246 H 281.2°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#644BFA
RGB	rgb(100, 75, 250)
HSL	hsl(249, 95%, 64%)
HSV	hsv(249, 70%, 98%)
CMYK	cmyk(60%, 70%, 0%, 2%)
CIE-LAB	lab(45.14, 56.92, -83.62)
CIE-LCH	lch(45.14, 101.15, 304.24°)
OKLab	oklab(55.17% 0.0477 -0.2411)
OKLCH	oklch(55.17% 0.246 281.2)
XYZ	xyz(25.0215, 14.6418, 91.9316)
Luminance	0.1464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644BFA #E1FA4B

analogous

#4B89FA #644BFA #BB4BFA

triadic

#644BFA #FA644B #4BFA64

tetradic

#644BFA #FA4B89 #E1FA4B #4BFABB

square

#644BFA #FA4B89 #E1FA4B #4BFABB

split-complementary

#644BFA #FABB4B #89FA4B

monochromatic

#2105C5 #310FF8 #644BFA #9787FC #CBC2FD

Accessibility & contrast

On white

5.35

#644BFA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#644BFA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BFA

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BFA	#FFFFFF	#000000	##FFFFFF
##644BFA	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071FF

Deuteranopia (green-blind)

#0064F7

Tritanopia (blue-blind)

#007B9E

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #644bfa;
/* rgb */ color: rgb(100, 75, 250);
/* oklch */ color: oklch(55.2% 0.246 281.2);

Tailwind

colors: {
  custom: {
    50: '#a080fd',
    500: '#644bfa',
    950: '#000000',
  },
}

SCSS

$custom: #644bfa;
$custom-light: #a080fd;
$custom-dark: #000000;

JSON

{
  "hex": "#644bfa",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 250
  },
  "hsl": {
    "h": 248.571,
    "s": 94.595,
    "l": 63.725
  },
  "oklch": {
    "l": 0.5517,
    "c": 0.24572,
    "h": 281.2
  },
  "luminance": 0.14644
}

Semantic roles & 50–950 ramp

primary

#644BFA

secondary

#E6EFB2

accent

#E600C5

background

#FAF7FF

surface

#F4EEFF

border

#CEC9D7

text

#100A18

muted

#7F7C86

Preview Lab

Preview with #644BFA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →