#57739E#57739E

#57739E is a mid, moderate blue. Relative luminance 0.168; OKLCH L 55.2% C 0.075 H 258.8°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#57739E
RGB	rgb(87, 115, 158)
HSL	hsl(216, 29%, 48%)
HSV	hsv(216, 45%, 62%)
CMYK	cmyk(44.9%, 27.2%, 0%, 38%)
CIE-LAB	lab(47.95, 1.75, -26.38)
CIE-LCH	lch(47.95, 26.44, 273.80°)
OKLab	oklab(55.16% -0.0146 -0.0736)
OKLCH	oklch(55.16% 0.075 258.8)
XYZ	xyz(16.2308, 16.7553, 34.7200)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57739E #9E8257

analogous

#57969E #57739E #5E579E

triadic

#57739E #9E5773 #739E57

tetradic

#57739E #9E5796 #9E8257 #579E5E

square

#57739E #9E5796 #9E8257 #579E5E

split-complementary

#57739E #9E5E57 #969E57

monochromatic

#2C3A4F #415677 #57739E #7C93B7 #A3B3CC

Accessibility & contrast

On white

4.83

#57739E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#57739E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57739E

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57739E	#FFFFFF	#000000	##FFFFFF
##57739E	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6376A0

Deuteranopia (green-blind)

#5B6F9D

Tritanopia (blue-blind)

#3C7C82

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #57739e;
/* rgb */ color: rgb(87, 115, 158);
/* oklch */ color: oklch(55.2% 0.075 258.8);

Tailwind

colors: {
  custom: {
    50: '#8a9bbb',
    500: '#57739e',
    950: '#000000',
  },
}

SCSS

$custom: #57739e;
$custom-light: #8a9bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#57739e",
  "rgb": {
    "r": 87,
    "g": 115,
    "b": 158
  },
  "hsl": {
    "h": 216.338,
    "s": 28.98,
    "l": 48.039
  },
  "oklch": {
    "l": 0.55162,
    "c": 0.07506,
    "h": 258.8
  },
  "luminance": 0.16756
}

Semantic roles & 50–950 ramp

primary

#57739E

secondary

#BAAC97

accent

#9E63C5

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #57739E

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

Preview Lab → · Contrast checker → · Palette generator →