#647ACE#647ACE

#647ACE is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.1% C 0.130 H 271.0°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#647ACE
RGB	rgb(100, 122, 206)
HSL	hsl(228, 52%, 60%)
HSV	hsv(228, 51%, 81%)
CMYK	cmyk(51.5%, 40.8%, 0%, 19.2%)
CIE-LAB	lab(53.04, 15.57, -46.04)
CIE-LCH	lch(53.04, 48.60, 288.69°)
OKLab	oklab(60.08% 0.0022 -0.1304)
OKLCH	oklch(60.08% 0.13 271)
XYZ	xyz(23.3520, 21.0831, 61.2195)
Luminance	0.2109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647ACE #CEB864

analogous

#64AFCE #647ACE #8364CE

triadic

#647ACE #CE647A #7ACE64

tetradic

#647ACE #CE64AF #CEB864 #64CE83

square

#647ACE #CE64AF #CEB864 #64CE83

split-complementary

#647ACE #CE8364 #AFCE64

monochromatic

#2C408C #3B55BA #647ACE #92A2DD #C1CAEB

Accessibility & contrast

On white

4.03

#647ACE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#647ACE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647ACE

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647ACE	#FFFFFF	#000000	##000000
##647ACE	1.00	4.03	5.22	5.22
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5884D1

Deuteranopia (green-blind)

#4D7ACC

Tritanopia (blue-blind)

#348C9A

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #647ace;
/* rgb */ color: rgb(100, 122, 206);
/* oklch */ color: oklch(60.1% 0.130 271.0);

Tailwind

colors: {
  custom: {
    50: '#97a0dd',
    500: '#647ace',
    950: '#000000',
  },
}

SCSS

$custom: #647ace;
$custom-light: #97a0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#647ace",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 206
  },
  "hsl": {
    "h": 227.547,
    "s": 51.961,
    "l": 60
  },
  "oklch": {
    "l": 0.60081,
    "c": 0.13047,
    "h": 271
  },
  "luminance": 0.21085
}

Semantic roles & 50–950 ramp

primary

#647ACE

secondary

#DBD3B2

accent

#BE4CDB

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #647ACE

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

Preview Lab → · Contrast checker → · Palette generator →