#647DAC#647DAC

#647DAC is a mid, moderate blue. Relative luminance 0.204; OKLCH L 58.9% C 0.078 H 262.6°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#647DAC
RGB	rgb(100, 125, 172)
HSL	hsl(219, 30%, 53%)
HSV	hsv(219, 42%, 67%)
CMYK	cmyk(41.9%, 27.3%, 0%, 32.5%)
CIE-LAB	lab(52.24, 3.44, -27.82)
CIE-LCH	lch(52.24, 28.03, 277.05°)
OKLab	oklab(58.92% -0.0101 -0.0775)
OKLCH	oklch(58.92% 0.078 262.6)
XYZ	xyz(20.0332, 20.3540, 41.8949)
Luminance	0.2036 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DAC #AC9364

analogous

#64A1AC #647DAC #6F64AC

triadic

#647DAC #AC647D #7DAC64

tetradic

#647DAC #AC64A1 #AC9364 #64AC6F

square

#647DAC #AC64A1 #AC9364 #64AC6F

split-complementary

#647DAC #AC6F64 #A1AC64

monochromatic

#344461 #4A6089 #647DAC #8C9EC1 #B4C0D7

Accessibility & contrast

On white

4.14

#647DAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#647DAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DAC

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DAC	#FFFFFF	#000000	##000000
##647DAC	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C80AE

Deuteranopia (green-blind)

#657AAB

Tritanopia (blue-blind)

#4B878D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #647dac;
/* rgb */ color: rgb(100, 125, 172);
/* oklch */ color: oklch(58.9% 0.078 262.6);

Tailwind

colors: {
  custom: {
    50: '#93a2c5',
    500: '#647dac',
    950: '#000000',
  },
}

SCSS

$custom: #647dac;
$custom-light: #93a2c5;
$custom-dark: #000000;

JSON

{
  "hex": "#647dac",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 172
  },
  "hsl": {
    "h": 219.167,
    "s": 30.252,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58923,
    "c": 0.0782,
    "h": 262.6
  },
  "luminance": 0.20355
}

Semantic roles & 50–950 ramp

primary

#647DAC

secondary

#C5BBA6

accent

#A361C6

background

#F9F9FC

surface

#F1F2F8

border

#CBCCD1

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #647DAC

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

Preview Lab → · Contrast checker → · Palette generator →