#577FAA#577FAA

#577FAA is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.5% C 0.080 H 251.0°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#577FAA
RGB	rgb(87, 127, 170)
HSL	hsl(211, 33%, 50%)
HSV	hsv(211, 49%, 67%)
CMYK	cmyk(48.8%, 25.3%, 0%, 33.3%)
CIE-LAB	lab(51.96, -1.73, -27.16)
CIE-LCH	lch(51.96, 27.21, 266.35°)
OKLab	oklab(58.48% -0.026 -0.0758)
OKLCH	oklch(58.48% 0.08 251)
XYZ	xyz(18.7731, 20.1059, 40.9140)
Luminance	0.2011 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FAA #AA8257

analogous

#57A8AA #577FAA #5857AA

triadic

#577FAA #AA577F #7FAA57

tetradic

#577FAA #AA57A8 #AA8257 #57AA58

square

#577FAA #AA57A8 #AA8257 #57AA58

split-complementary

#577FAA #AA5857 #A8AA57

monochromatic

#2D4359 #426182 #577FAA #809EBF #A8BDD3

Accessibility & contrast

On white

4.18

#577FAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#577FAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FAA

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FAA	#FFFFFF	#000000	##000000
##577FAA	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E80AC

Deuteranopia (green-blind)

#6378A9

Tritanopia (blue-blind)

#32898E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #577faa;
/* rgb */ color: rgb(87, 127, 170);
/* oklch */ color: oklch(58.5% 0.080 251.0);

Tailwind

colors: {
  custom: {
    50: '#8ba4c3',
    500: '#577faa',
    950: '#000000',
  },
}

SCSS

$custom: #577faa;
$custom-light: #8ba4c3;
$custom-dark: #000000;

JSON

{
  "hex": "#577faa",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 170
  },
  "hsl": {
    "h": 211.084,
    "s": 32.806,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58475,
    "c": 0.08018,
    "h": 251
  },
  "luminance": 0.20107
}

Semantic roles & 50–950 ramp

primary

#577FAA

secondary

#C1AF9C

accent

#965FC9

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577FAA

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

Preview Lab → · Contrast checker → · Palette generator →