#577BA0#577BA0

#577BA0 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.1% C 0.071 H 249.8°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#577BA0
RGB	rgb(87, 123, 160)
HSL	hsl(210, 30%, 48%)
HSV	hsv(210, 46%, 63%)
CMYK	cmyk(45.6%, 23.1%, 0%, 37.3%)
CIE-LAB	lab(50.37, -2.40, -23.81)
CIE-LCH	lch(50.37, 23.93, 264.23°)
OKLab	oklab(57.09% -0.0243 -0.0662)
OKLCH	oklch(57.09% 0.071 249.8)
XYZ	xyz(17.3565, 18.7291, 35.9514)
Luminance	0.1873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577BA0 #A07C57

analogous

#579FA0 #577BA0 #5757A0

triadic

#577BA0 #A0577B #7BA057

tetradic

#577BA0 #A0579F #A07C57 #57A057

square

#577BA0 #A0579F #A07C57 #57A057

split-complementary

#577BA0 #A05757 #9FA057

monochromatic

#2C3E51 #415D78 #577BA0 #7C9AB8 #A4B8CD

Accessibility & contrast

On white

4.42

#577BA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#577BA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577BA0

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577BA0	#FFFFFF	#000000	##000000
##577BA0	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7CA2

Deuteranopia (green-blind)

#63759F

Tritanopia (blue-blind)

#3A8387

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577ba0;
/* rgb */ color: rgb(87, 123, 160);
/* oklch */ color: oklch(57.1% 0.071 249.8);

Tailwind

colors: {
  custom: {
    50: '#8aa1bc',
    500: '#577ba0',
    950: '#000000',
  },
}

SCSS

$custom: #577ba0;
$custom-light: #8aa1bc;
$custom-dark: #000000;

JSON

{
  "hex": "#577ba0",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 160
  },
  "hsl": {
    "h": 210.411,
    "s": 29.555,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57088,
    "c": 0.07057,
    "h": 249.8
  },
  "luminance": 0.1873
}

Semantic roles & 50–950 ramp

primary

#577BA0

secondary

#BBAA98

accent

#9562C6

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #577BA0

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

Preview Lab → · Contrast checker → · Palette generator →