#647AC0#647AC0

#647AC0 is a mid, moderate blue. Relative luminance 0.204; OKLCH L 59.3% C 0.110 H 269.6°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#647AC0
RGB	rgb(100, 122, 192)
HSL	hsl(226, 42%, 57%)
HSV	hsv(226, 48%, 75%)
CMYK	cmyk(47.9%, 36.5%, 0%, 24.7%)
CIE-LAB	lab(52.32, 11.22, -39.19)
CIE-LCH	lch(52.32, 40.76, 285.98°)
OKLab	oklab(59.29% -0.0008 -0.1104)
OKLCH	oklch(59.29% 0.11 269.6)
XYZ	xyz(21.7265, 20.4328, 52.6580)
Luminance	0.2043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647AC0 #C0AA64

analogous

#64A8C0 #647AC0 #7C64C0

triadic

#647AC0 #C0647A #7AC064

tetradic

#647AC0 #C064A8 #C0AA64 #64C07C

square

#647AC0 #C064A8 #C0AA64 #64C07C

split-complementary

#647AC0 #C07C64 #A8C064

monochromatic

#314279 #435AA4 #647AC0 #909FD2 #BBC5E3

Accessibility & contrast

On white

4.13

#647AC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#647AC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AC0

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647AC0	#FFFFFF	#000000	##000000
##647AC0	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6081C3

Deuteranopia (green-blind)

#5679BE

Tritanopia (blue-blind)

#408994

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #647ac0;
/* rgb */ color: rgb(100, 122, 192);
/* oklch */ color: oklch(59.3% 0.110 269.6);

Tailwind

colors: {
  custom: {
    50: '#95a0d3',
    500: '#647ac0',
    950: '#000000',
  },
}

SCSS

$custom: #647ac0;
$custom-light: #95a0d3;
$custom-dark: #000000;

JSON

{
  "hex": "#647ac0",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 192
  },
  "hsl": {
    "h": 225.652,
    "s": 42.202,
    "l": 57.255
  },
  "oklch": {
    "l": 0.59295,
    "c": 0.11045,
    "h": 269.6
  },
  "luminance": 0.20434
}

Semantic roles & 50–950 ramp

primary

#647AC0

secondary

#D3CAAD

accent

#B456D2

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #647AC0

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

Preview Lab → · Contrast checker → · Palette generator →