#577BA8#577BA8

#577BA8 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.5% C 0.081 H 254.5°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#577BA8
RGB	rgb(87, 123, 168)
HSL	hsl(213, 32%, 50%)
HSV	hsv(213, 48%, 66%)
CMYK	cmyk(48.2%, 26.8%, 0%, 34.1%)
CIE-LAB	lab(50.71, 0.01, -27.93)
CIE-LCH	lch(50.71, 27.93, 270.03°)
OKLab	oklab(57.47% -0.0217 -0.0781)
OKLCH	oklch(57.47% 0.081 254.5)
XYZ	xyz(18.0789, 19.0181, 39.7564)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577BA8 #A88457

analogous

#57A4A8 #577BA8 #5B57A8

triadic

#577BA8 #A8577B #7BA857

tetradic

#577BA8 #A857A4 #A88457 #57A85B

square

#577BA8 #A857A4 #A88457 #57A85B

split-complementary

#577BA8 #A85B57 #A4A857

monochromatic

#2D4057 #425D80 #577BA8 #7F9BBD #A8BAD2

Accessibility & contrast

On white

4.37

#577BA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#577BA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577BA8

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577BA8	#FFFFFF	#000000	##000000
##577BA8	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7DAA

Deuteranopia (green-blind)

#6075A7

Tritanopia (blue-blind)

#34858B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577ba8;
/* rgb */ color: rgb(87, 123, 168);
/* oklch */ color: oklch(57.5% 0.081 254.5);

Tailwind

colors: {
  custom: {
    50: '#8ba1c2',
    500: '#577ba8',
    950: '#000000',
  },
}

SCSS

$custom: #577ba8;
$custom-light: #8ba1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#577ba8",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 168
  },
  "hsl": {
    "h": 213.333,
    "s": 31.765,
    "l": 50
  },
  "oklch": {
    "l": 0.57466,
    "c": 0.08104,
    "h": 254.5
  },
  "luminance": 0.19019
}

Semantic roles & 50–950 ramp

primary

#577BA8

secondary

#C0AF9B

accent

#9A60C8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #577BA8

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

Preview Lab → · Contrast checker → · Palette generator →