#647DAA#647DAA

#647DAA is a mid, moderate blue. Relative luminance 0.203; OKLCH L 58.8% C 0.075 H 261.9°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#647DAA
RGB	rgb(100, 125, 170)
HSL	hsl(219, 29%, 53%)
HSV	hsv(219, 41%, 67%)
CMYK	cmyk(41.2%, 26.5%, 0%, 33.3%)
CIE-LAB	lab(52.15, 2.86, -26.80)
CIE-LCH	lch(52.15, 26.95, 276.10°)
OKLab	oklab(58.83% -0.0107 -0.0746)
OKLCH	oklch(58.83% 0.075 261.9)
XYZ	xyz(19.8426, 20.2778, 40.8909)
Luminance	0.2028 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DAA #AA9164

analogous

#64A0AA #647DAA #6E64AA

triadic

#647DAA #AA647D #7DAA64

tetradic

#647DAA #AA64A0 #AA9164 #64AA6E

square

#647DAA #AA64A0 #AA9164 #64AA6E

split-complementary

#647DAA #AA6E64 #A0AA64

monochromatic

#34445F #4A6087 #647DAA #8C9EC0 #B3BFD5

Accessibility & contrast

On white

4.15

#647DAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#647DAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DAA

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DAA	#FFFFFF	#000000	##000000
##647DAA	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D80AC

Deuteranopia (green-blind)

#6679A9

Tritanopia (blue-blind)

#4C868D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #647daa;
/* rgb */ color: rgb(100, 125, 170);
/* oklch */ color: oklch(58.8% 0.075 261.9);

Tailwind

colors: {
  custom: {
    50: '#93a2c3',
    500: '#647daa',
    950: '#000000',
  },
}

SCSS

$custom: #647daa;
$custom-light: #93a2c3;
$custom-dark: #000000;

JSON

{
  "hex": "#647daa",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 170
  },
  "hsl": {
    "h": 218.571,
    "s": 29.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.58829,
    "c": 0.07537,
    "h": 261.9
  },
  "luminance": 0.20279
}

Semantic roles & 50–950 ramp

primary

#647DAA

secondary

#C4B9A6

accent

#A262C5

background

#F9F9FC

surface

#F1F2F8

border

#CBCCD1

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #647DAA

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

Preview Lab → · Contrast checker → · Palette generator →