#577CA7#577CA7

#577CA7 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.6% C 0.079 H 252.8°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#577CA7
RGB	rgb(87, 124, 167)
HSL	hsl(212, 31%, 50%)
HSV	hsv(212, 48%, 65%)
CMYK	cmyk(47.9%, 25.7%, 0%, 34.5%)
CIE-LAB	lab(50.96, -0.88, -26.97)
CIE-LCH	lch(50.96, 26.98, 268.13°)
OKLab	oklab(57.65% -0.0233 -0.0753)
OKLCH	oklch(57.65% 0.079 252.8)
XYZ	xyz(18.1108, 19.2303, 39.3092)
Luminance	0.1923 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577CA7 #A78257

analogous

#57A4A7 #577CA7 #5A57A7

triadic

#577CA7 #A7577C #7CA757

tetradic

#577CA7 #A757A4 #A78257 #57A75A

square

#577CA7 #A757A4 #A78257 #57A75A

split-complementary

#577CA7 #A75A57 #A4A757

monochromatic

#2D4057 #425E7F #577CA7 #7F9BBC #A7BBD1

Accessibility & contrast

On white

4.33

#577CA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#577CA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577CA7

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577CA7	#FFFFFF	#000000	##000000
##577CA7	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7EA9

Deuteranopia (green-blind)

#6176A6

Tritanopia (blue-blind)

#35868B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577ca7;
/* rgb */ color: rgb(87, 124, 167);
/* oklch */ color: oklch(57.6% 0.079 252.8);

Tailwind

colors: {
  custom: {
    50: '#8ba1c1',
    500: '#577ca7',
    950: '#000000',
  },
}

SCSS

$custom: #577ca7;
$custom-light: #8ba1c1;
$custom-dark: #000000;

JSON

{
  "hex": "#577ca7",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 167
  },
  "hsl": {
    "h": 212.25,
    "s": 31.496,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57646,
    "c": 0.07883,
    "h": 252.8
  },
  "luminance": 0.19232
}

Semantic roles & 50–950 ramp

primary

#577CA7

secondary

#BFAE9B

accent

#9860C8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577CA7

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

Preview Lab → · Contrast checker → · Palette generator →