#64749B#64749B

#64749B is a mid, moderate blue. Relative luminance 0.176; OKLCH L 56.1% C 0.064 H 267.1°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#64749B
RGB	rgb(100, 116, 155)
HSL	hsl(223, 22%, 50%)
HSV	hsv(223, 35%, 61%)
CMYK	cmyk(35.5%, 25.2%, 0%, 39.2%)
CIE-LAB	lab(48.97, 3.97, -22.98)
CIE-LCH	lch(48.97, 23.32, 279.80°)
OKLab	oklab(56.14% -0.0032 -0.0637)
OKLCH	oklch(56.14% 0.064 267.1)
XYZ	xyz(17.4156, 17.5659, 33.4769)
Luminance	0.1757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64749B #9B8B64

analogous

#64909B #64749B #6F649B

triadic

#64749B #9B6474 #749B64

tetradic

#64749B #9B6490 #9B8B64 #649B6F

square

#64749B #9B6490 #9B8B64 #649B6F

split-complementary

#64749B #9B6F64 #909B64

monochromatic

#343C51 #4C5876 #64749B #8995B3 #AEB7CB

Accessibility & contrast

On white

4.65

#64749B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#64749B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #64749B

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64749B	#FFFFFF	#000000	##FFFFFF
##64749B	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67779D

Deuteranopia (green-blind)

#62729A

Tritanopia (blue-blind)

#547C81

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #64749b;
/* rgb */ color: rgb(100, 116, 155);
/* oklch */ color: oklch(56.1% 0.064 267.1);

Tailwind

colors: {
  custom: {
    50: '#929bb8',
    500: '#64749b',
    950: '#000000',
  },
}

SCSS

$custom: #64749b;
$custom-light: #929bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#64749b",
  "rgb": {
    "r": 100,
    "g": 116,
    "b": 155
  },
  "hsl": {
    "h": 222.545,
    "s": 21.569,
    "l": 50
  },
  "oklch": {
    "l": 0.56135,
    "c": 0.06376,
    "h": 267.1
  },
  "luminance": 0.17567
}

Semantic roles & 50–950 ramp

primary

#64749B

secondary

#BAB3A1

accent

#A66ABE

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0E11

muted

#7E7E80

Preview Lab

Preview with #64749B

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

Preview Lab → · Contrast checker → · Palette generator →