#577AAA#577AAA

#577AAA is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.3% C 0.085 H 256.5°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#577AAA
RGB	rgb(87, 122, 170)
HSL	hsl(215, 33%, 50%)
HSV	hsv(215, 49%, 67%)
CMYK	cmyk(48.8%, 28.2%, 0%, 33.3%)
CIE-LAB	lab(50.51, 1.22, -29.41)
CIE-LCH	lch(50.51, 29.43, 272.38°)
OKLab	oklab(57.34% -0.0198 -0.0823)
OKLCH	oklch(57.34% 0.085 256.5)
XYZ	xyz(18.1433, 18.8463, 40.7041)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577AAA #AA8757

analogous

#57A3AA #577AAA #5E57AA

triadic

#577AAA #AA577A #7AAA57

tetradic

#577AAA #AA57A3 #AA8757 #57AA5E

square

#577AAA #AA57A3 #AA8757 #57AA5E

split-complementary

#577AAA #AA5E57 #A3AA57

monochromatic

#2D4059 #425D82 #577AAA #809ABF #A8BAD3

Accessibility & contrast

On white

4.40

#577AAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#577AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577AAA

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577AAA	#FFFFFF	#000000	##000000
##577AAA	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677DAC

Deuteranopia (green-blind)

#5E75A9

Tritanopia (blue-blind)

#33858B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577aaa;
/* rgb */ color: rgb(87, 122, 170);
/* oklch */ color: oklch(57.3% 0.085 256.5);

Tailwind

colors: {
  custom: {
    50: '#8ba0c3',
    500: '#577aaa',
    950: '#000000',
  },
}

SCSS

$custom: #577aaa;
$custom-light: #8ba0c3;
$custom-dark: #000000;

JSON

{
  "hex": "#577aaa",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 170
  },
  "hsl": {
    "h": 214.699,
    "s": 32.806,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57338,
    "c": 0.08468,
    "h": 256.5
  },
  "luminance": 0.18848
}

Semantic roles & 50–950 ramp

primary

#577AAA

secondary

#C1B19C

accent

#9C5FC9

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #577AAA

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

Preview Lab → · Contrast checker → · Palette generator →