#647FFE#647FFE

#647FFE is a light, vivid blue. Relative luminance 0.250; OKLCH L 64.1% C 0.190 H 271.1°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#647FFE
RGB	rgb(100, 127, 254)
HSL	hsl(229, 99%, 69%)
HSV	hsv(229, 61%, 100%)
CMYK	cmyk(60.6%, 50%, 0%, 0.4%)
CIE-LAB	lab(57.12, 28.01, -66.35)
CIE-LCH	lch(57.12, 72.03, 292.89°)
OKLab	oklab(64.08% 0.0036 -0.1901)
OKLCH	oklch(64.08% 0.19 271.1)
XYZ	xyz(30.7283, 25.0413, 96.9608)
Luminance	0.2504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FFE #FEE364

analogous

#64CCFE #647FFE #9664FE

triadic

#647FFE #FE647F #7FFE64

tetradic

#647FFE #FE64CC #FEE364 #64FE96

square

#647FFE #FE64CC #FEE364 #64FE96

split-complementary

#647FFE #FE9664 #CCFE64

monochromatic

#012AE6 #274DFE #647FFE #A1B1FE #DEE3FF

Accessibility & contrast

On white

3.49

#647FFE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#647FFE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FFE

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FFE	#FFFFFF	#000000	##000000
##647FFE	1.00	3.49	6.01	6.01
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3890FF

Deuteranopia (green-blind)

#0C83FB

Tritanopia (blue-blind)

#009CB3

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #647ffe;
/* rgb */ color: rgb(100, 127, 254);
/* oklch */ color: oklch(64.1% 0.190 271.1);

Tailwind

colors: {
  custom: {
    50: '#9da3ff',
    500: '#647ffe',
    950: '#000000',
  },
}

SCSS

$custom: #647ffe;
$custom-light: #9da3ff;
$custom-dark: #000000;

JSON

{
  "hex": "#647ffe",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 254
  },
  "hsl": {
    "h": 229.481,
    "s": 98.718,
    "l": 69.412
  },
  "oklch": {
    "l": 0.64083,
    "c": 0.19009,
    "h": 271.1
  },
  "luminance": 0.25044
}

Semantic roles & 50–950 ramp

primary

#647FFE

secondary

#F5EDC9

accent

#BD00E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#100F18

muted

#7F7F86

Preview Lab

Preview with #647FFE

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

Preview Lab → · Contrast checker → · Palette generator →