#647CEC#647CEC

#647CEC is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.3% C 0.170 H 271.6°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#647CEC
RGB	rgb(100, 124, 236)
HSL	hsl(229, 78%, 66%)
HSV	hsv(229, 58%, 93%)
CMYK	cmyk(57.6%, 47.5%, 0%, 7.5%)
CIE-LAB	lab(55.26, 23.96, -59.37)
CIE-LCH	lch(55.26, 64.02, 291.97°)
OKLab	oklab(62.32% 0.0047 -0.1696)
OKLCH	oklch(62.32% 0.17 271.6)
XYZ	xyz(27.5985, 23.1786, 82.3602)
Luminance	0.2318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CEC #ECD464

analogous

#64C0EC #647CEC #9064EC

triadic

#647CEC #EC647C #7CEC64

tetradic

#647CEC #EC64C0 #ECD464 #64EC90

square

#647CEC #EC64C0 #ECD464 #64EC90

split-complementary

#647CEC #EC9064 #C0EC64

monochromatic

#1735BE #2D4EE5 #647CEC #9BAAF3 #D1D8F9

Accessibility & contrast

On white

3.73

#647CEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#647CEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CEC

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CEC	#FFFFFF	#000000	##000000
##647CEC	1.00	3.73	5.64	5.64
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#458BF0

Deuteranopia (green-blind)

#307FEA

Tritanopia (blue-blind)

#0095A9

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647cec;
/* rgb */ color: rgb(100, 124, 236);
/* oklch */ color: oklch(62.3% 0.170 271.6);

Tailwind

colors: {
  custom: {
    50: '#9aa1f3',
    500: '#647cec',
    950: '#000000',
  },
}

SCSS

$custom: #647cec;
$custom-light: #9aa1f3;
$custom-dark: #000000;

JSON

{
  "hex": "#647cec",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 236
  },
  "hsl": {
    "h": 229.412,
    "s": 78.161,
    "l": 65.882
  },
  "oklch": {
    "l": 0.62321,
    "c": 0.16962,
    "h": 271.6
  },
  "luminance": 0.23181
}

Semantic roles & 50–950 ramp

primary

#647CEC

secondary

#ECE4BF

accent

#B60BDA

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647CEC

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

Preview Lab → · Contrast checker → · Palette generator →