#577DA3#577DA3

#577DA3 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.7% C 0.073 H 249.2°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#577DA3
RGB	rgb(87, 125, 163)
HSL	hsl(210, 30%, 49%)
HSV	hsv(210, 47%, 64%)
CMYK	cmyk(46.6%, 23.3%, 0%, 36.1%)
CIE-LAB	lab(51.08, -2.68, -24.46)
CIE-LCH	lch(51.08, 24.60, 263.75°)
OKLab	oklab(57.69% -0.0259 -0.0681)
OKLCH	oklch(57.69% 0.073 249.2)
XYZ	xyz(17.8727, 19.3366, 37.4338)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DA3 #A37D57

analogous

#57A3A3 #577DA3 #5757A3

triadic

#577DA3 #A3577D #7DA357

tetradic

#577DA3 #A357A3 #A37D57 #57A357

square

#577DA3 #A357A3 #A37D57 #57A357

split-complementary

#577DA3 #A35757 #A3A357

monochromatic

#2C4053 #425E7B #577DA3 #7D9CBA #A5BACF

Accessibility & contrast

On white

4.31

#577DA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#577DA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DA3

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DA3	#FFFFFF	#000000	##000000
##577DA3	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7EA5

Deuteranopia (green-blind)

#6476A2

Tritanopia (blue-blind)

#37868A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577da3;
/* rgb */ color: rgb(87, 125, 163);
/* oklch */ color: oklch(57.7% 0.073 249.2);

Tailwind

colors: {
  custom: {
    50: '#8aa2be',
    500: '#577da3',
    950: '#000000',
  },
}

SCSS

$custom: #577da3;
$custom-light: #8aa2be;
$custom-dark: #000000;

JSON

{
  "hex": "#577da3",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 163
  },
  "hsl": {
    "h": 210,
    "s": 30.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.57687,
    "c": 0.07285,
    "h": 249.2
  },
  "luminance": 0.19338
}

Semantic roles & 50–950 ramp

primary

#577DA3

secondary

#BDAB99

accent

#9461C7

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577DA3

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

Preview Lab → · Contrast checker → · Palette generator →