#57729C#57729C

#57729C is a mid, moderate blue. Relative luminance 0.165; OKLCH L 54.8% C 0.073 H 259.0°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#57729C
RGB	rgb(87, 114, 156)
HSL	hsl(217, 28%, 48%)
HSV	hsv(217, 44%, 61%)
CMYK	cmyk(44.2%, 26.9%, 0%, 38.8%)
CIE-LAB	lab(47.57, 1.75, -25.79)
CIE-LCH	lch(47.57, 25.85, 273.88°)
OKLab	oklab(54.84% -0.0139 -0.0719)
OKLCH	oklch(54.84% 0.073 259)
XYZ	xyz(15.9466, 16.4602, 33.7829)
Luminance	0.1646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57729C #9C8157

analogous

#57949C #57729C #5F579C

triadic

#57729C #9C5772 #729C57

tetradic

#57729C #9C5794 #9C8157 #579C5F

square

#57729C #9C5794 #9C8157 #579C5F

split-complementary

#57729C #9C5F57 #949C57

monochromatic

#2B394D #415575 #57729C #7B92B5 #A2B2CB

Accessibility & contrast

On white

4.89

#57729C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#57729C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57729C

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57729C	#FFFFFF	#000000	##FFFFFF
##57729C	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63749E

Deuteranopia (green-blind)

#5B6E9B

Tritanopia (blue-blind)

#3D7B81

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #57729c;
/* rgb */ color: rgb(87, 114, 156);
/* oklch */ color: oklch(54.8% 0.073 259.0);

Tailwind

colors: {
  custom: {
    50: '#899ab9',
    500: '#57729c',
    950: '#000000',
  },
}

SCSS

$custom: #57729c;
$custom-light: #899ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#57729c",
  "rgb": {
    "r": 87,
    "g": 114,
    "b": 156
  },
  "hsl": {
    "h": 216.522,
    "s": 28.395,
    "l": 47.647
  },
  "oklch": {
    "l": 0.54838,
    "c": 0.07327,
    "h": 259
  },
  "luminance": 0.16461
}

Semantic roles & 50–950 ramp

primary

#57729C

secondary

#B9AB96

accent

#9F63C5

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #57729C

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

Preview Lab → · Contrast checker → · Palette generator →