#577CA5#577CA5

#577CA5 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.6% C 0.076 H 251.7°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#577CA5
RGB	rgb(87, 124, 165)
HSL	hsl(212, 31%, 49%)
HSV	hsv(212, 47%, 65%)
CMYK	cmyk(47.3%, 24.8%, 0%, 35.3%)
CIE-LAB	lab(50.87, -1.49, -25.94)
CIE-LCH	lch(50.87, 25.98, 266.72°)
OKLab	oklab(57.55% -0.0239 -0.0723)
OKLCH	oklch(57.55% 0.076 251.7)
XYZ	xyz(17.9274, 19.1569, 38.3430)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577CA5 #A58057

analogous

#57A3A5 #577CA5 #5957A5

triadic

#577CA5 #A5577C #7CA557

tetradic

#577CA5 #A557A3 #A58057 #57A559

square

#577CA5 #A557A3 #A58057 #57A559

split-complementary

#577CA5 #A55957 #A3A557

monochromatic

#2D4055 #425E7D #577CA5 #7E9BBB #A6BAD0

Accessibility & contrast

On white

4.35

#577CA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#577CA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577CA5

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577CA5	#FFFFFF	#000000	##000000
##577CA5	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7DA7

Deuteranopia (green-blind)

#6276A4

Tritanopia (blue-blind)

#36858A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577ca5;
/* rgb */ color: rgb(87, 124, 165);
/* oklch */ color: oklch(57.6% 0.076 251.7);

Tailwind

colors: {
  custom: {
    50: '#8aa1c0',
    500: '#577ca5',
    950: '#000000',
  },
}

SCSS

$custom: #577ca5;
$custom-light: #8aa1c0;
$custom-dark: #000000;

JSON

{
  "hex": "#577ca5",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 165
  },
  "hsl": {
    "h": 211.538,
    "s": 30.952,
    "l": 49.412
  },
  "oklch": {
    "l": 0.57551,
    "c": 0.07621,
    "h": 251.7
  },
  "luminance": 0.19158
}

Semantic roles & 50–950 ramp

primary

#577CA5

secondary

#BEAD9A

accent

#9761C7

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577CA5

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

Preview Lab → · Contrast checker → · Palette generator →