#647AEB#647AEB

#647AEB is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.9% C 0.171 H 272.2°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#647AEB
RGB	rgb(100, 122, 235)
HSL	hsl(230, 77%, 66%)
HSV	hsv(230, 57%, 92%)
CMYK	cmyk(57.4%, 48.1%, 0%, 7.8%)
CIE-LAB	lab(54.68, 24.85, -59.73)
CIE-LCH	lch(54.68, 64.70, 292.58°)
OKLab	oklab(61.87% 0.0066 -0.1706)
OKLCH	oklch(61.87% 0.171 272.2)
XYZ	xyz(27.2055, 22.6245, 81.5145)
Luminance	0.2263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647AEB #EBD564

analogous

#64BEEB #647AEB #9164EB

triadic

#647AEB #EB647A #7AEB64

tetradic

#647AEB #EB64BE #EBD564 #64EB91

square

#647AEB #EB64BE #EBD564 #64EB91

split-complementary

#647AEB #EB9164 #BEEB64

monochromatic

#1833BC #2E4BE4 #647AEB #9AA9F2 #D0D7F9

Accessibility & contrast

On white

3.80

#647AEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#647AEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AEB

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647AEB	#FFFFFF	#000000	##000000
##647AEB	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4289EF

Deuteranopia (green-blind)

#2C7DE9

Tritanopia (blue-blind)

#0093A7

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #647aeb;
/* rgb */ color: rgb(100, 122, 235);
/* oklch */ color: oklch(61.9% 0.171 272.2);

Tailwind

colors: {
  custom: {
    50: '#9aa0f2',
    500: '#647aeb',
    950: '#000000',
  },
}

SCSS

$custom: #647aeb;
$custom-light: #9aa0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#647aeb",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 235
  },
  "hsl": {
    "h": 230.222,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.61867,
    "c": 0.17077,
    "h": 272.2
  },
  "luminance": 0.22627
}

Semantic roles & 50–950 ramp

primary

#647AEB

secondary

#ECE5BF

accent

#B80CD9

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647AEB

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

Preview Lab → · Contrast checker → · Palette generator →