#57739F#57739F

#57739F is a mid, moderate blue. Relative luminance 0.168; OKLCH L 55.2% C 0.076 H 259.2°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#57739F
RGB	rgb(87, 115, 159)
HSL	hsl(217, 29%, 48%)
HSV	hsv(217, 45%, 62%)
CMYK	cmyk(45.3%, 27.7%, 0%, 37.6%)
CIE-LAB	lab(47.99, 2.05, -26.90)
CIE-LCH	lch(47.99, 26.98, 274.36°)
OKLab	oklab(55.21% -0.0143 -0.0751)
OKLCH	oklch(55.21% 0.076 259.2)
XYZ	xyz(16.3172, 16.7899, 35.1751)
Luminance	0.1679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57739F #9F8357

analogous

#57979F #57739F #5F579F

triadic

#57739F #9F5773 #739F57

tetradic

#57739F #9F5797 #9F8357 #579F5F

square

#57739F #9F5797 #9F8357 #579F5F

split-complementary

#57739F #9F5F57 #979F57

monochromatic

#2C3A50 #415677 #57739F #7C93B7 #A3B4CD

Accessibility & contrast

On white

4.82

#57739F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#57739F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57739F

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57739F	#FFFFFF	#000000	##FFFFFF
##57739F	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6376A1

Deuteranopia (green-blind)

#5B6F9E

Tritanopia (blue-blind)

#3C7C82

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #57739f;
/* rgb */ color: rgb(87, 115, 159);
/* oklch */ color: oklch(55.2% 0.076 259.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#57739f",
  "rgb": {
    "r": 87,
    "g": 115,
    "b": 159
  },
  "hsl": {
    "h": 216.667,
    "s": 29.268,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55211,
    "c": 0.07646,
    "h": 259.2
  },
  "luminance": 0.16791
}

Semantic roles & 50–950 ramp

primary

#57739F

secondary

#BBAD97

accent

#9F62C6

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #57739F

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

Preview Lab → · Contrast checker → · Palette generator →