#647BC2#647BC2

#647BC2 is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.6% C 0.112 H 269.2°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#647BC2
RGB	rgb(100, 123, 194)
HSL	hsl(225, 44%, 58%)
HSV	hsv(225, 48%, 76%)
CMYK	cmyk(48.5%, 36.6%, 0%, 23.9%)
CIE-LAB	lab(52.70, 11.23, -39.75)
CIE-LCH	lch(52.70, 41.30, 285.78°)
OKLab	oklab(59.61% -0.0015 -0.1121)
OKLCH	oklch(59.61% 0.112 269.2)
XYZ	xyz(22.0730, 20.7689, 53.8742)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BC2 #C2AB64

analogous

#64AAC2 #647BC2 #7C64C2

triadic

#647BC2 #C2647B #7BC264

tetradic

#647BC2 #C264AA #C2AB64 #64C27C

square

#647BC2 #C264AA #C2AB64 #64C27C

split-complementary

#647BC2 #C27C64 #AAC264

monochromatic

#30437B #425BA7 #647BC2 #90A0D3 #BCC6E5

Accessibility & contrast

On white

4.07

#647BC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#647BC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BC2

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BC2	#FFFFFF	#000000	##000000
##647BC2	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6082C5

Deuteranopia (green-blind)

#577AC0

Tritanopia (blue-blind)

#3E8A95

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #647bc2;
/* rgb */ color: rgb(100, 123, 194);
/* oklch */ color: oklch(59.6% 0.112 269.2);

Tailwind

colors: {
  custom: {
    50: '#95a0d5',
    500: '#647bc2',
    950: '#000000',
  },
}

SCSS

$custom: #647bc2;
$custom-light: #95a0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#647bc2",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 194
  },
  "hsl": {
    "h": 225.319,
    "s": 43.519,
    "l": 57.647
  },
  "oklch": {
    "l": 0.59615,
    "c": 0.11208,
    "h": 269.2
  },
  "luminance": 0.2077
}

Semantic roles & 50–950 ramp

primary

#647BC2

secondary

#D4CBAE

accent

#B455D3

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #647BC2

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

Preview Lab → · Contrast checker → · Palette generator →