#64779B#64779B

#64779B is a mid, moderate blue. Relative luminance 0.183; OKLCH L 56.8% C 0.060 H 262.9°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#64779B
RGB	rgb(100, 119, 155)
HSL	hsl(219, 22%, 50%)
HSV	hsv(219, 35%, 61%)
CMYK	cmyk(35.5%, 23.2%, 0%, 39.2%)
CIE-LAB	lab(49.82, 2.18, -21.66)
CIE-LCH	lch(49.82, 21.77, 275.74°)
OKLab	oklab(56.8% -0.0074 -0.0599)
OKLCH	oklch(56.8% 0.06 262.9)
XYZ	xyz(17.7670, 18.2688, 33.5941)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64779B #9B8864

analogous

#64939B #64779B #6C649B

triadic

#64779B #9B6477 #779B64

tetradic

#64779B #9B6493 #9B8864 #649B6C

square

#64779B #9B6493 #9B8864 #649B6C

split-complementary

#64779B #9B6C64 #939B64

monochromatic

#343E51 #4C5A76 #64779B #8998B3 #AEB8CB

Accessibility & contrast

On white

4.51

#64779B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#64779B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #64779B

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64779B	#FFFFFF	#000000	##000000
##64779B	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B799D

Deuteranopia (green-blind)

#65749A

Tritanopia (blue-blind)

#537E83

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #64779b;
/* rgb */ color: rgb(100, 119, 155);
/* oklch */ color: oklch(56.8% 0.060 262.9);

Tailwind

colors: {
  custom: {
    50: '#929eb8',
    500: '#64779b',
    950: '#000000',
  },
}

SCSS

$custom: #64779b;
$custom-light: #929eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#64779b",
  "rgb": {
    "r": 100,
    "g": 119,
    "b": 155
  },
  "hsl": {
    "h": 219.273,
    "s": 21.569,
    "l": 50
  },
  "oklch": {
    "l": 0.56803,
    "c": 0.0604,
    "h": 262.9
  },
  "luminance": 0.1827
}

Semantic roles & 50–950 ramp

primary

#64779B

secondary

#BAB1A1

accent

#A16ABE

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0E11

muted

#7E7E80

Preview Lab

Preview with #64779B

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

Preview Lab → · Contrast checker → · Palette generator →