#647DC0#647DC0

#647DC0 is a mid, moderate blue. Relative luminance 0.212; OKLCH L 59.9% C 0.107 H 267.6°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#647DC0
RGB	rgb(100, 125, 192)
HSL	hsl(224, 42%, 57%)
HSV	hsv(224, 48%, 75%)
CMYK	cmyk(47.9%, 34.9%, 0%, 24.7%)
CIE-LAB	lab(53.15, 9.41, -37.89)
CIE-LCH	lch(53.15, 39.04, 283.95°)
OKLab	oklab(59.93% -0.0045 -0.1067)
OKLCH	oklch(59.93% 0.107 267.6)
XYZ	xyz(22.1005, 21.1810, 52.7827)
Luminance	0.2118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DC0 #C0A764

analogous

#64ABC0 #647DC0 #7964C0

triadic

#647DC0 #C0647D #7DC064

tetradic

#647DC0 #C064AB #C0A764 #64C079

square

#647DC0 #C064AB #C0A764 #64C079

split-complementary

#647DC0 #C07964 #ABC064

monochromatic

#314479 #435DA4 #647DC0 #90A1D2 #BBC6E3

Accessibility & contrast

On white

4.01

#647DC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#647DC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DC0

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DC0	#FFFFFF	#000000	##000000
##647DC0	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6483C3

Deuteranopia (green-blind)

#5A7BBF

Tritanopia (blue-blind)

#3F8B95

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #647dc0;
/* rgb */ color: rgb(100, 125, 192);
/* oklch */ color: oklch(59.9% 0.107 267.6);

Tailwind

colors: {
  custom: {
    50: '#95a2d3',
    500: '#647dc0',
    950: '#000000',
  },
}

SCSS

$custom: #647dc0;
$custom-light: #95a2d3;
$custom-dark: #000000;

JSON

{
  "hex": "#647dc0",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 192
  },
  "hsl": {
    "h": 223.696,
    "s": 42.202,
    "l": 57.255
  },
  "oklch": {
    "l": 0.59932,
    "c": 0.10676,
    "h": 267.6
  },
  "luminance": 0.21182
}

Semantic roles & 50–950 ramp

primary

#647DC0

secondary

#D3C8AD

accent

#B056D2

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0F14

muted

#7E7E83

Preview Lab

Preview with #647DC0

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

Preview Lab → · Contrast checker → · Palette generator →