#647EAD#647EAD

#647EAD is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.2% C 0.079 H 261.9°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#647EAD
RGB	rgb(100, 126, 173)
HSL	hsl(219, 31%, 54%)
HSV	hsv(219, 42%, 68%)
CMYK	cmyk(42.2%, 27.2%, 0%, 32.2%)
CIE-LAB	lab(52.56, 3.14, -27.89)
CIE-LCH	lch(52.56, 28.07, 276.42°)
OKLab	oklab(59.19% -0.0111 -0.0778)
OKLCH	oklch(59.19% 0.079 261.9)
XYZ	xyz(20.2568, 20.6471, 42.4450)
Luminance	0.2065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EAD #AD9364

analogous

#64A2AD #647EAD #6E64AD

triadic

#647EAD #AD647E #7EAD64

tetradic

#647EAD #AD64A2 #AD9364 #64AD6E

square

#647EAD #AD64A2 #AD9364 #64AD6E

split-complementary

#647EAD #AD6E64 #A2AD64

monochromatic

#344562 #49618B #647EAD #8C9FC2 #B4C1D7

Accessibility & contrast

On white

4.09

#647EAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#647EAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EAD

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EAD	#FFFFFF	#000000	##000000
##647EAD	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D81AF

Deuteranopia (green-blind)

#657AAC

Tritanopia (blue-blind)

#4A888E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #647ead;
/* rgb */ color: rgb(100, 126, 173);
/* oklch */ color: oklch(59.2% 0.079 261.9);

Tailwind

colors: {
  custom: {
    50: '#93a3c5',
    500: '#647ead',
    950: '#000000',
  },
}

SCSS

$custom: #647ead;
$custom-light: #93a3c5;
$custom-dark: #000000;

JSON

{
  "hex": "#647ead",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 173
  },
  "hsl": {
    "h": 218.63,
    "s": 30.802,
    "l": 53.529
  },
  "oklch": {
    "l": 0.59192,
    "c": 0.07854,
    "h": 261.9
  },
  "luminance": 0.20648
}

Semantic roles & 50–950 ramp

primary

#647EAD

secondary

#C6BBA7

accent

#A361C7

background

#F9FAFC

surface

#F2F3F8

border

#CCCDD1

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #647EAD

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

Preview Lab → · Contrast checker → · Palette generator →