#57719B#57719B

#57719B is a mid, moderate blue. Relative luminance 0.162; OKLCH L 54.6% C 0.073 H 259.8°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#57719B
RGB	rgb(87, 113, 155)
HSL	hsl(217, 28%, 47%)
HSV	hsv(217, 44%, 61%)
CMYK	cmyk(43.9%, 27.1%, 0%, 39.2%)
CIE-LAB	lab(47.24, 2.05, -25.72)
CIE-LCH	lch(47.24, 25.80, 274.56°)
OKLab	oklab(54.56% -0.0129 -0.0717)
OKLCH	oklch(54.56% 0.073 259.8)
XYZ	xyz(15.7501, 16.2021, 33.3014)
Luminance	0.1620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57719B #9B8157

analogous

#57939B #57719B #5F579B

triadic

#57719B #9B5771 #719B57

tetradic

#57719B #9B5793 #9B8157 #579B5F

square

#57719B #9B5793 #9B8157 #579B5F

split-complementary

#57719B #9B5F57 #939B57

monochromatic

#2B384D #415474 #57719B #7B91B5 #A2B1CB

Accessibility & contrast

On white

4.95

#57719B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#57719B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57719B

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57719B	#FFFFFF	#000000	##FFFFFF
##57719B	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62749D

Deuteranopia (green-blind)

#5A6D9A

Tritanopia (blue-blind)

#3E7A80

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #57719b;
/* rgb */ color: rgb(87, 113, 155);
/* oklch */ color: oklch(54.6% 0.073 259.8);

Tailwind

colors: {
  custom: {
    50: '#8999b8',
    500: '#57719b',
    950: '#000000',
  },
}

SCSS

$custom: #57719b;
$custom-light: #8999b8;
$custom-dark: #000000;

JSON

{
  "hex": "#57719b",
  "rgb": {
    "r": 87,
    "g": 113,
    "b": 155
  },
  "hsl": {
    "h": 217.059,
    "s": 28.099,
    "l": 47.451
  },
  "oklch": {
    "l": 0.54562,
    "c": 0.07289,
    "h": 259.8
  },
  "luminance": 0.16203
}

Semantic roles & 50–950 ramp

primary

#57719B

secondary

#B8AB96

accent

#9F63C4

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0D11

muted

#7D7E80

Preview Lab

Preview with #57719B

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

Preview Lab → · Contrast checker → · Palette generator →