#647CEA#647CEA

#647CEA is a light, vivid blue. Relative luminance 0.231; OKLCH L 62.2% C 0.167 H 271.5°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#647CEA
RGB	rgb(100, 124, 234)
HSL	hsl(229, 76%, 65%)
HSV	hsv(229, 57%, 92%)
CMYK	cmyk(57.3%, 47%, 0%, 8.2%)
CIE-LAB	lab(55.14, 23.31, -58.45)
CIE-LCH	lch(55.14, 62.92, 291.74°)
OKLab	oklab(62.19% 0.0044 -0.1668)
OKLCH	oklch(62.19% 0.167 271.5)
XYZ	xyz(27.3096, 23.0631, 80.8384)
Luminance	0.2306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CEA #EAD264

analogous

#64BFEA #647CEA #8F64EA

triadic

#647CEA #EA647C #7CEA64

tetradic

#647CEA #EA64BF #EAD264 #64EA8F

square

#647CEA #EA64BF #EAD264 #64EA8F

split-complementary

#647CEA #EA8F64 #BFEA64

monochromatic

#1936BA #2E4EE3 #647CEA #9AAAF1 #D0D7F9

Accessibility & contrast

On white

3.74

#647CEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#647CEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CEA

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CEA	#FFFFFF	#000000	##000000
##647CEA	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#478AEE

Deuteranopia (green-blind)

#337EE8

Tritanopia (blue-blind)

#0095A8

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647cea;
/* rgb */ color: rgb(100, 124, 234);
/* oklch */ color: oklch(62.2% 0.167 271.5);

Tailwind

colors: {
  custom: {
    50: '#9aa1f1',
    500: '#647cea',
    950: '#000000',
  },
}

SCSS

$custom: #647cea;
$custom-light: #9aa1f1;
$custom-dark: #000000;

JSON

{
  "hex": "#647cea",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 234
  },
  "hsl": {
    "h": 229.254,
    "s": 76.136,
    "l": 65.49
  },
  "oklch": {
    "l": 0.62193,
    "c": 0.1669,
    "h": 271.5
  },
  "luminance": 0.23065
}

Semantic roles & 50–950 ramp

primary

#647CEA

secondary

#EBE3BE

accent

#B40DD8

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647CEA

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

Preview Lab → · Contrast checker → · Palette generator →