#64729B#64729B

#64729B is a mid, moderate blue. Relative luminance 0.171; OKLCH L 55.7% C 0.066 H 269.6°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#64729B
RGB	rgb(100, 114, 155)
HSL	hsl(225, 22%, 50%)
HSV	hsv(225, 35%, 61%)
CMYK	cmyk(35.5%, 26.5%, 0%, 39.2%)
CIE-LAB	lab(48.40, 5.17, -23.85)
CIE-LCH	lch(48.40, 24.41, 282.22°)
OKLab	oklab(55.69% -0.0004 -0.0662)
OKLCH	oklch(55.69% 0.066 269.6)
XYZ	xyz(17.1875, 17.1098, 33.4009)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64729B #9B8D64

analogous

#648E9B #64729B #71649B

triadic

#64729B #9B6472 #729B64

tetradic

#64729B #9B648E #9B8D64 #649B71

square

#64729B #9B648E #9B8D64 #649B71

split-complementary

#64729B #9B7164 #8E9B64

monochromatic

#343B51 #4C5776 #64729B #8994B3 #AEB6CB

Accessibility & contrast

On white

4.75

#64729B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#64729B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64729B

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64729B	#FFFFFF	#000000	##FFFFFF
##64729B	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#65759D

Deuteranopia (green-blind)

#60719A

Tritanopia (blue-blind)

#547A80

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #64729b;
/* rgb */ color: rgb(100, 114, 155);
/* oklch */ color: oklch(55.7% 0.066 269.6);

Tailwind

colors: {
  custom: {
    50: '#929ab8',
    500: '#64729b',
    950: '#000000',
  },
}

SCSS

$custom: #64729b;
$custom-light: #929ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#64729b",
  "rgb": {
    "r": 100,
    "g": 114,
    "b": 155
  },
  "hsl": {
    "h": 224.727,
    "s": 21.569,
    "l": 50
  },
  "oklch": {
    "l": 0.55693,
    "c": 0.06618,
    "h": 269.6
  },
  "luminance": 0.17111
}

Semantic roles & 50–950 ramp

primary

#64729B

secondary

#BAB3A1

accent

#A96ABE

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0E11

muted

#7E7E80

Preview Lab

Preview with #64729B

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

Preview Lab → · Contrast checker → · Palette generator →