#577EAA#577EAA

#577EAA is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.2% C 0.081 H 252.2°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#577EAA
RGB	rgb(87, 126, 170)
HSL	hsl(212, 33%, 50%)
HSV	hsv(212, 49%, 67%)
CMYK	cmyk(48.8%, 25.9%, 0%, 33.3%)
CIE-LAB	lab(51.67, -1.14, -27.61)
CIE-LCH	lch(51.67, 27.63, 267.63°)
OKLab	oklab(58.25% -0.0248 -0.0771)
OKLCH	oklch(58.25% 0.081 252.2)
XYZ	xyz(18.6446, 19.8489, 40.8712)
Luminance	0.1985 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EAA #AA8357

analogous

#57A7AA #577EAA #5957AA

triadic

#577EAA #AA577E #7EAA57

tetradic

#577EAA #AA57A7 #AA8357 #57AA59

square

#577EAA #AA57A7 #AA8357 #57AA59

split-complementary

#577EAA #AA5957 #A7AA57

monochromatic

#2D4259 #426082 #577EAA #809DBF #A8BCD3

Accessibility & contrast

On white

4.23

#577EAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#577EAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EAA

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EAA	#FFFFFF	#000000	##000000
##577EAA	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D80AC

Deuteranopia (green-blind)

#6277A9

Tritanopia (blue-blind)

#32888D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577eaa;
/* rgb */ color: rgb(87, 126, 170);
/* oklch */ color: oklch(58.2% 0.081 252.2);

Tailwind

colors: {
  custom: {
    50: '#8ba3c3',
    500: '#577eaa',
    950: '#000000',
  },
}

SCSS

$custom: #577eaa;
$custom-light: #8ba3c3;
$custom-dark: #000000;

JSON

{
  "hex": "#577eaa",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 170
  },
  "hsl": {
    "h": 211.807,
    "s": 32.806,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58246,
    "c": 0.08102,
    "h": 252.2
  },
  "luminance": 0.1985
}

Semantic roles & 50–950 ramp

primary

#577EAA

secondary

#C1B09C

accent

#975FC9

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577EAA

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

Preview Lab → · Contrast checker → · Palette generator →