#64759B#64759B

#64759B is a mid, moderate blue. Relative luminance 0.178; OKLCH L 56.4% C 0.063 H 265.8°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#64759B
RGB	rgb(100, 117, 155)
HSL	hsl(221, 22%, 50%)
HSV	hsv(221, 35%, 61%)
CMYK	cmyk(35.5%, 24.5%, 0%, 39.2%)
CIE-LAB	lab(49.25, 3.37, -22.54)
CIE-LCH	lch(49.25, 22.79, 278.50°)
OKLab	oklab(56.36% -0.0046 -0.0624)
OKLCH	oklch(56.36% 0.063 265.8)
XYZ	xyz(17.5315, 17.7977, 33.5156)
Luminance	0.1780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64759B #9B8A64

analogous

#64909B #64759B #6F649B

triadic

#64759B #9B6475 #759B64

tetradic

#64759B #9B6490 #9B8A64 #649B6F

square

#64759B #9B6490 #9B8A64 #649B6F

split-complementary

#64759B #9B6F64 #909B64

monochromatic

#343D51 #4C5976 #64759B #8996B3 #AEB7CB

Accessibility & contrast

On white

4.61

#64759B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#64759B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #64759B

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64759B	#FFFFFF	#000000	##FFFFFF
##64759B	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68789D

Deuteranopia (green-blind)

#63739A

Tritanopia (blue-blind)

#547D82

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #64759b;
/* rgb */ color: rgb(100, 117, 155);
/* oklch */ color: oklch(56.4% 0.063 265.8);

Tailwind

colors: {
  custom: {
    50: '#929cb8',
    500: '#64759b',
    950: '#000000',
  },
}

SCSS

$custom: #64759b;
$custom-light: #929cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#64759b",
  "rgb": {
    "r": 100,
    "g": 117,
    "b": 155
  },
  "hsl": {
    "h": 221.455,
    "s": 21.569,
    "l": 50
  },
  "oklch": {
    "l": 0.56357,
    "c": 0.0626,
    "h": 265.8
  },
  "luminance": 0.17798
}

Semantic roles & 50–950 ramp

primary

#64759B

secondary

#BAB2A1

accent

#A46ABE

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0E11

muted

#7E7E80

Preview Lab

Preview with #64759B

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

Preview Lab → · Contrast checker → · Palette generator →