#57729B#57729B

#57729B is a mid, moderate blue. Relative luminance 0.164; OKLCH L 54.8% C 0.072 H 258.6°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#57729B
RGB	rgb(87, 114, 155)
HSL	hsl(216, 28%, 47%)
HSV	hsv(216, 44%, 61%)
CMYK	cmyk(43.9%, 26.5%, 0%, 39.2%)
CIE-LAB	lab(47.53, 1.45, -25.27)
CIE-LCH	lch(47.53, 25.31, 273.29°)
OKLab	oklab(54.79% -0.0143 -0.0704)
OKLCH	oklch(54.79% 0.072 258.6)
XYZ	xyz(15.8623, 16.4265, 33.3388)
Luminance	0.1643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57729B #9B8057

analogous

#57949B #57729B #5E579B

triadic

#57729B #9B5772 #729B57

tetradic

#57729B #9B5794 #9B8057 #579B5E

square

#57729B #9B5794 #9B8057 #579B5E

split-complementary

#57729B #9B5E57 #949B57

monochromatic

#2B384D #415574 #57729B #7B92B5 #A2B2CB

Accessibility & contrast

On white

4.90

#57729B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#57729B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57729B

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57729B	#FFFFFF	#000000	##FFFFFF
##57729B	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63749D

Deuteranopia (green-blind)

#5B6E9A

Tritanopia (blue-blind)

#3E7B80

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #57729b;
/* rgb */ color: rgb(87, 114, 155);
/* oklch */ color: oklch(54.8% 0.072 258.6);

Tailwind

colors: {
  custom: {
    50: '#899ab8',
    500: '#57729b',
    950: '#000000',
  },
}

SCSS

$custom: #57729b;
$custom-light: #899ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#57729b",
  "rgb": {
    "r": 87,
    "g": 114,
    "b": 155
  },
  "hsl": {
    "h": 216.176,
    "s": 28.099,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5479,
    "c": 0.07186,
    "h": 258.6
  },
  "luminance": 0.16427
}

Semantic roles & 50–950 ramp

primary

#57729B

secondary

#B8AA96

accent

#9E63C4

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #57729B

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

Preview Lab → · Contrast checker → · Palette generator →