#577AA1#577AA1

#577AA1 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.9% C 0.073 H 251.8°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#577AA1
RGB	rgb(87, 122, 161)
HSL	hsl(212, 30%, 49%)
HSV	hsv(212, 46%, 63%)
CMYK	cmyk(46%, 24.2%, 0%, 36.9%)
CIE-LAB	lab(50.12, -1.52, -24.78)
CIE-LCH	lch(50.12, 24.82, 266.50°)
OKLab	oklab(56.9% -0.0227 -0.069)
OKLCH	oklch(56.9% 0.073 251.8)
XYZ	xyz(17.3209, 18.5174, 36.3728)
Luminance	0.1852 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577AA1 #A17E57

analogous

#579FA1 #577AA1 #5957A1

triadic

#577AA1 #A1577A #7AA157

tetradic

#577AA1 #A1579F #A17E57 #57A159

square

#577AA1 #A1579F #A17E57 #57A159

split-complementary

#577AA1 #A15957 #9FA157

monochromatic

#2C3E52 #425C79 #577AA1 #7D99B9 #A4B8CE

Accessibility & contrast

On white

4.46

#577AA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#577AA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577AA1

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577AA1	#FFFFFF	#000000	##000000
##577AA1	1.00	4.46	4.70	4.70
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7BA3

Deuteranopia (green-blind)

#6274A0

Tritanopia (blue-blind)

#398387

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577aa1;
/* rgb */ color: rgb(87, 122, 161);
/* oklch */ color: oklch(56.9% 0.073 251.8);

Tailwind

colors: {
  custom: {
    50: '#8aa0bd',
    500: '#577aa1',
    950: '#000000',
  },
}

SCSS

$custom: #577aa1;
$custom-light: #8aa0bd;
$custom-dark: #000000;

JSON

{
  "hex": "#577aa1",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 161
  },
  "hsl": {
    "h": 211.622,
    "s": 29.839,
    "l": 48.627
  },
  "oklch": {
    "l": 0.56904,
    "c": 0.07266,
    "h": 251.8
  },
  "luminance": 0.18519
}

Semantic roles & 50–950 ramp

primary

#577AA1

secondary

#BCAB98

accent

#9762C6

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #577AA1

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

Preview Lab → · Contrast checker → · Palette generator →