#577BA7#577BA7

#577BA7 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.4% C 0.080 H 254.0°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#577BA7
RGB	rgb(87, 123, 167)
HSL	hsl(213, 31%, 50%)
HSV	hsv(213, 48%, 65%)
CMYK	cmyk(47.9%, 26.3%, 0%, 34.5%)
CIE-LAB	lab(50.66, -0.29, -27.42)
CIE-LCH	lch(50.66, 27.42, 269.39°)
OKLab	oklab(57.42% -0.022 -0.0766)
OKLCH	oklch(57.42% 0.08 254)
XYZ	xyz(17.9861, 18.9810, 39.2676)
Luminance	0.1898 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577BA7 #A78357

analogous

#57A3A7 #577BA7 #5B57A7

triadic

#577BA7 #A7577B #7BA757

tetradic

#577BA7 #A757A3 #A78357 #57A75B

square

#577BA7 #A757A3 #A78357 #57A75B

split-complementary

#577BA7 #A75B57 #A3A757

monochromatic

#2D4057 #425D7F #577BA7 #7F9BBC #A7BAD1

Accessibility & contrast

On white

4.38

#577BA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#577BA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577BA7

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577BA7	#FFFFFF	#000000	##000000
##577BA7	1.00	4.38	4.80	4.80
#FFFFFF	4.38	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)

#6A7DA9

Deuteranopia (green-blind)

#6075A6

Tritanopia (blue-blind)

#35858A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577ba7;
/* rgb */ color: rgb(87, 123, 167);
/* oklch */ color: oklch(57.4% 0.080 254.0);

Tailwind

colors: {
  custom: {
    50: '#8ba1c1',
    500: '#577ba7',
    950: '#000000',
  },
}

SCSS

$custom: #577ba7;
$custom-light: #8ba1c1;
$custom-dark: #000000;

JSON

{
  "hex": "#577ba7",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 167
  },
  "hsl": {
    "h": 213,
    "s": 31.496,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57418,
    "c": 0.0797,
    "h": 254
  },
  "luminance": 0.18982
}

Semantic roles & 50–950 ramp

primary

#577BA7

secondary

#BFAF9B

accent

#9960C8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #577BA7

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

Preview Lab → · Contrast checker → · Palette generator →