#577DA5#577DA5

#577DA5 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.8% C 0.075 H 250.5°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#577DA5
RGB	rgb(87, 125, 165)
HSL	hsl(211, 31%, 49%)
HSV	hsv(211, 47%, 65%)
CMYK	cmyk(47.3%, 24.2%, 0%, 35.3%)
CIE-LAB	lab(51.16, -2.08, -25.49)
CIE-LCH	lch(51.16, 25.57, 265.34°)
OKLab	oklab(57.78% -0.0252 -0.0711)
OKLCH	oklch(57.78% 0.075 250.5)
XYZ	xyz(18.0533, 19.4089, 38.3850)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DA5 #A57F57

analogous

#57A4A5 #577DA5 #5857A5

triadic

#577DA5 #A5577D #7DA557

tetradic

#577DA5 #A557A4 #A57F57 #57A558

square

#577DA5 #A557A4 #A57F57 #57A558

split-complementary

#577DA5 #A55857 #A4A557

monochromatic

#2D4055 #425F7D #577DA5 #7E9CBB #A6BBD0

Accessibility & contrast

On white

4.30

#577DA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#577DA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DA5

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DA5	#FFFFFF	#000000	##000000
##577DA5	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7EA7

Deuteranopia (green-blind)

#6376A4

Tritanopia (blue-blind)

#36868B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577da5;
/* rgb */ color: rgb(87, 125, 165);
/* oklch */ color: oklch(57.8% 0.075 250.5);

Tailwind

colors: {
  custom: {
    50: '#8aa2c0',
    500: '#577da5',
    950: '#000000',
  },
}

SCSS

$custom: #577da5;
$custom-light: #8aa2c0;
$custom-dark: #000000;

JSON

{
  "hex": "#577da5",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 165
  },
  "hsl": {
    "h": 210.769,
    "s": 30.952,
    "l": 49.412
  },
  "oklch": {
    "l": 0.5778,
    "c": 0.0754,
    "h": 250.5
  },
  "luminance": 0.1941
}

Semantic roles & 50–950 ramp

primary

#577DA5

secondary

#BEAC9A

accent

#9561C7

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577DA5

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

Preview Lab → · Contrast checker → · Palette generator →