#647FC0#647FC0

#647FC0 is a mid, moderate blue. Relative luminance 0.217; OKLCH L 60.4% C 0.104 H 266.2°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#647FC0
RGB	rgb(100, 127, 192)
HSL	hsl(222, 42%, 57%)
HSV	hsv(222, 48%, 75%)
CMYK	cmyk(47.9%, 33.9%, 0%, 24.7%)
CIE-LAB	lab(53.70, 8.22, -37.02)
CIE-LCH	lch(53.70, 37.93, 282.51°)
OKLab	oklab(60.36% -0.0069 -0.1041)
OKLCH	oklch(60.36% 0.104 266.2)
XYZ	xyz(22.3562, 21.6924, 52.8680)
Luminance	0.2169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FC0 #C0A564

analogous

#64ADC0 #647FC0 #7764C0

triadic

#647FC0 #C0647F #7FC064

tetradic

#647FC0 #C064AD #C0A564 #64C077

square

#647FC0 #C064AD #C0A564 #64C077

split-complementary

#647FC0 #C07764 #ADC064

monochromatic

#314679 #435FA4 #647FC0 #90A3D2 #BBC7E3

Accessibility & contrast

On white

3.93

#647FC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#647FC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FC0

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FC0	#FFFFFF	#000000	##000000
##647FC0	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6785C3

Deuteranopia (green-blind)

#5D7DBF

Tritanopia (blue-blind)

#3F8D97

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647fc0;
/* rgb */ color: rgb(100, 127, 192);
/* oklch */ color: oklch(60.4% 0.104 266.2);

Tailwind

colors: {
  custom: {
    50: '#95a3d3',
    500: '#647fc0',
    950: '#000000',
  },
}

SCSS

$custom: #647fc0;
$custom-light: #95a3d3;
$custom-dark: #000000;

JSON

{
  "hex": "#647fc0",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 192
  },
  "hsl": {
    "h": 222.391,
    "s": 42.202,
    "l": 57.255
  },
  "oklch": {
    "l": 0.6036,
    "c": 0.10437,
    "h": 266.2
  },
  "luminance": 0.21694
}

Semantic roles & 50–950 ramp

primary

#647FC0

secondary

#D3C8AD

accent

#AE56D2

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #647FC0

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

Preview Lab → · Contrast checker → · Palette generator →