#57749D#57749D

#57749D is a mid, moderate blue. Relative luminance 0.170; OKLCH L 55.3% C 0.073 H 257.1°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#57749D
RGB	rgb(87, 116, 157)
HSL	hsl(215, 29%, 48%)
HSV	hsv(215, 45%, 62%)
CMYK	cmyk(44.6%, 26.1%, 0%, 38.4%)
CIE-LAB	lab(48.20, 0.85, -25.41)
CIE-LCH	lch(48.20, 25.42, 271.92°)
OKLab	oklab(55.34% -0.0162 -0.0708)
OKLCH	oklch(55.34% 0.073 257.1)
XYZ	xyz(16.2597, 16.9504, 34.3067)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57749D #9D8057

analogous

#57979D #57749D #5D579D

triadic

#57749D #9D5774 #749D57

tetradic

#57749D #9D5797 #9D8057 #579D5D

square

#57749D #9D5797 #9D8057 #579D5D

split-complementary

#57749D #9D5D57 #979D57

monochromatic

#2B3A4E #415776 #57749D #7B94B6 #A3B4CC

Accessibility & contrast

On white

4.78

#57749D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#57749D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57749D

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57749D	#FFFFFF	#000000	##FFFFFF
##57749D	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#65769F

Deuteranopia (green-blind)

#5D6F9C

Tritanopia (blue-blind)

#3D7D82

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #57749d;
/* rgb */ color: rgb(87, 116, 157);
/* oklch */ color: oklch(55.3% 0.073 257.1);

Tailwind

colors: {
  custom: {
    50: '#8a9bba',
    500: '#57749d',
    950: '#000000',
  },
}

SCSS

$custom: #57749d;
$custom-light: #8a9bba;
$custom-dark: #000000;

JSON

{
  "hex": "#57749d",
  "rgb": {
    "r": 87,
    "g": 116,
    "b": 157
  },
  "hsl": {
    "h": 215.143,
    "s": 28.689,
    "l": 47.843
  },
  "oklch": {
    "l": 0.55341,
    "c": 0.07267,
    "h": 257.1
  },
  "luminance": 0.16951
}

Semantic roles & 50–950 ramp

primary

#57749D

secondary

#B9AB96

accent

#9C63C5

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #57749D

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

Preview Lab → · Contrast checker → · Palette generator →