#647BE8#647BE8

#647BE8 is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.9% C 0.165 H 271.8°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#647BE8
RGB	rgb(100, 123, 232)
HSL	hsl(230, 74%, 65%)
HSV	hsv(230, 57%, 91%)
CMYK	cmyk(56.9%, 47%, 0%, 9%)
CIE-LAB	lab(54.76, 23.27, -57.93)
CIE-LCH	lch(54.76, 62.43, 291.88°)
OKLab	oklab(61.87% 0.0052 -0.1653)
OKLCH	oklch(61.87% 0.165 271.8)
XYZ	xyz(26.8992, 22.6994, 79.2922)
Luminance	0.2270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BE8 #E8D164

analogous

#64BDE8 #647BE8 #8F64E8

triadic

#647BE8 #E8647B #7BE864

tetradic

#647BE8 #E864BD #E8D164 #64E88F

square

#647BE8 #E864BD #E8D164 #64E88F

split-complementary

#647BE8 #E88F64 #BDE864

monochromatic

#1B36B7 #2F4EE0 #647BE8 #99A8F0 #CFD6F8

Accessibility & contrast

On white

3.79

#647BE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#647BE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BE8

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BE8	#FFFFFF	#000000	##000000
##647BE8	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4789EC

Deuteranopia (green-blind)

#337EE6

Tritanopia (blue-blind)

#0293A6

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #647be8;
/* rgb */ color: rgb(100, 123, 232);
/* oklch */ color: oklch(61.9% 0.165 271.8);

Tailwind

colors: {
  custom: {
    50: '#9aa0f0',
    500: '#647be8',
    950: '#000000',
  },
}

SCSS

$custom: #647be8;
$custom-light: #9aa0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#647be8",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 232
  },
  "hsl": {
    "h": 229.545,
    "s": 74.157,
    "l": 65.098
  },
  "oklch": {
    "l": 0.61869,
    "c": 0.16542,
    "h": 271.8
  },
  "luminance": 0.22701
}

Semantic roles & 50–950 ramp

primary

#647BE8

secondary

#EAE2BE

accent

#B40FD6

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647BE8

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

Preview Lab → · Contrast checker → · Palette generator →