#647AE3#647AE3

#647AE3 is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.4% C 0.160 H 272.0°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#647AE3
RGB	rgb(100, 122, 227)
HSL	hsl(230, 69%, 64%)
HSV	hsv(230, 56%, 89%)
CMYK	cmyk(55.9%, 46.3%, 0%, 11%)
CIE-LAB	lab(54.21, 22.26, -56.02)
CIE-LCH	lch(54.21, 60.28, 291.67°)
OKLab	oklab(61.35% 0.0056 -0.1597)
OKLCH	oklch(61.35% 0.16 272)
XYZ	xyz(26.0756, 22.1725, 75.5638)
Luminance	0.2217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647AE3 #E3CD64

analogous

#64BAE3 #647AE3 #8E64E3

triadic

#647AE3 #E3647A #7AE364

tetradic

#647AE3 #E364BA #E3CD64 #64E38E

square

#647AE3 #E364BA #E3CD64 #64E38E

split-complementary

#647AE3 #E38E64 #BAE364

monochromatic

#1F38AD #304EDA #647AE3 #98A6EC #CCD3F6

Accessibility & contrast

On white

3.86

#647AE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#647AE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AE3

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647AE3	#FFFFFF	#000000	##000000
##647AE3	1.00	3.86	5.43	5.43
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4987E7

Deuteranopia (green-blind)

#387CE1

Tritanopia (blue-blind)

#1591A3

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #647ae3;
/* rgb */ color: rgb(100, 122, 227);
/* oklch */ color: oklch(61.4% 0.160 272.0);

Tailwind

colors: {
  custom: {
    50: '#99a0ec',
    500: '#647ae3',
    950: '#000000',
  },
}

SCSS

$custom: #647ae3;
$custom-light: #99a0ec;
$custom-dark: #000000;

JSON

{
  "hex": "#647ae3",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 227
  },
  "hsl": {
    "h": 229.606,
    "s": 69.399,
    "l": 64.118
  },
  "oklch": {
    "l": 0.61354,
    "c": 0.15982,
    "h": 272
  },
  "luminance": 0.22174
}

Semantic roles & 50–950 ramp

primary

#647AE3

secondary

#E8E0BB

accent

#B114D1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #647AE3

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

Preview Lab → · Contrast checker → · Palette generator →