#647ADE#647ADE

#647ADE is a mid, vivid blue. Relative luminance 0.219; OKLCH L 61.0% C 0.153 H 271.8°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#647ADE
RGB	rgb(100, 122, 222)
HSL	hsl(229, 65%, 63%)
HSV	hsv(229, 55%, 87%)
CMYK	cmyk(55%, 45%, 0%, 12.9%)
CIE-LAB	lab(53.92, 20.66, -53.67)
CIE-LCH	lch(53.92, 57.51, 291.05°)
OKLab	oklab(61.04% 0.0049 -0.1528)
OKLCH	oklch(61.04% 0.153 271.8)
XYZ	xyz(25.3956, 21.9005, 71.9821)
Luminance	0.2190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647ADE #DEC864

analogous

#64B7DE #647ADE #8B64DE

triadic

#647ADE #DE647A #7ADE64

tetradic

#647ADE #DE64B7 #DEC864 #64DE8B

square

#647ADE #DE64B7 #DEC864 #64DE8B

split-complementary

#647ADE #DE8B64 #B7DE64

monochromatic

#233AA5 #324FD3 #647ADE #96A5E9 #C9D1F3

Accessibility & contrast

On white

3.90

#647ADE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#647ADE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647ADE

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647ADE	#FFFFFF	#000000	##000000
##647ADE	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D86E2

Deuteranopia (green-blind)

#3E7CDC

Tritanopia (blue-blind)

#2090A1

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #647ade;
/* rgb */ color: rgb(100, 122, 222);
/* oklch */ color: oklch(61.0% 0.153 271.8);

Tailwind

colors: {
  custom: {
    50: '#99a0e9',
    500: '#647ade',
    950: '#000000',
  },
}

SCSS

$custom: #647ade;
$custom-light: #99a0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#647ade",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 222
  },
  "hsl": {
    "h": 229.18,
    "s": 64.894,
    "l": 63.137
  },
  "oklch": {
    "l": 0.61042,
    "c": 0.15291,
    "h": 271.8
  },
  "luminance": 0.21902
}

Semantic roles & 50–950 ramp

primary

#647ADE

secondary

#E5DDB9

accent

#AC19CD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #647ADE

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

Preview Lab → · Contrast checker → · Palette generator →