#577EAB#577EAB

#577EAB is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.3% C 0.082 H 252.7°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#577EAB
RGB	rgb(87, 126, 171)
HSL	hsl(212, 33%, 51%)
HSV	hsv(212, 49%, 67%)
CMYK	cmyk(49.1%, 26.3%, 0%, 32.9%)
CIE-LAB	lab(51.71, -0.84, -28.12)
CIE-LCH	lch(51.71, 28.13, 268.29°)
OKLab	oklab(58.29% -0.0245 -0.0786)
OKLCH	oklch(58.29% 0.082 252.7)
XYZ	xyz(18.7395, 19.8869, 41.3713)
Luminance	0.1989 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EAB #AB8457

analogous

#57A8AB #577EAB #5A57AB

triadic

#577EAB #AB577E #7EAB57

tetradic

#577EAB #AB57A8 #AB8457 #57AB5A

square

#577EAB #AB57A8 #AB8457 #57AB5A

split-complementary

#577EAB #AB5A57 #A8AB57

monochromatic

#2D425A #426083 #577EAB #809DBF #A9BDD4

Accessibility & contrast

On white

4.22

#577EAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#577EAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EAB

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EAB	#FFFFFF	#000000	##000000
##577EAB	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C80AD

Deuteranopia (green-blind)

#6278AA

Tritanopia (blue-blind)

#31888E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577eab;
/* rgb */ color: rgb(87, 126, 171);
/* oklch */ color: oklch(58.3% 0.082 252.7);

Tailwind

colors: {
  custom: {
    50: '#8ba3c4',
    500: '#577eab',
    950: '#000000',
  },
}

SCSS

$custom: #577eab;
$custom-light: #8ba3c4;
$custom-dark: #000000;

JSON

{
  "hex": "#577eab",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 171
  },
  "hsl": {
    "h": 212.143,
    "s": 33.333,
    "l": 50.588
  },
  "oklch": {
    "l": 0.58294,
    "c": 0.08232,
    "h": 252.7
  },
  "luminance": 0.19888
}

Semantic roles & 50–950 ramp

primary

#577EAB

secondary

#C2B09C

accent

#985EC9

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577EAB

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

Preview Lab → · Contrast checker → · Palette generator →