#577FB6#577FB6

#577FB6 is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 59.1% C 0.096 H 256.6°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#577FB6
RGB	rgb(87, 127, 182)
HSL	hsl(215, 39%, 53%)
HSV	hsv(215, 52%, 71%)
CMYK	cmyk(52.2%, 30.2%, 0%, 28.6%)
CIE-LAB	lab(52.49, 1.99, -33.25)
CIE-LCH	lch(52.49, 33.31, 273.43°)
OKLab	oklab(59.07% -0.0223 -0.0934)
OKLCH	oklch(59.07% 0.096 256.6)
XYZ	xyz(19.9605, 20.5809, 47.1676)
Luminance	0.2058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FB6 #B68E57

analogous

#57AEB6 #577FB6 #5F57B6

triadic

#577FB6 #B6577F #7FB657

tetradic

#577FB6 #B657AE #B68E57 #57B65F

square

#577FB6 #B657AE #B68E57 #57B65F

split-complementary

#577FB6 #B65F57 #AEB657

monochromatic

#2C4566 #3F6191 #577FB6 #82A0C9 #ACC0DB

Accessibility & contrast

On white

4.10

#577FB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#577FB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FB6

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FB6	#FFFFFF	#000000	##000000
##577FB6	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6982B8

Deuteranopia (green-blind)

#5E79B5

Tritanopia (blue-blind)

#268B92

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #577fb6;
/* rgb */ color: rgb(87, 127, 182);
/* oklch */ color: oklch(59.1% 0.096 256.6);

Tailwind

colors: {
  custom: {
    50: '#8ca3cc',
    500: '#577fb6',
    950: '#000000',
  },
}

SCSS

$custom: #577fb6;
$custom-light: #8ca3cc;
$custom-dark: #000000;

JSON

{
  "hex": "#577fb6",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 182
  },
  "hsl": {
    "h": 214.737,
    "s": 39.419,
    "l": 52.745
  },
  "oklch": {
    "l": 0.59066,
    "c": 0.09603,
    "h": 256.6
  },
  "luminance": 0.20582
}

Semantic roles & 50–950 ramp

primary

#577FB6

secondary

#C9B8A0

accent

#9D58CF

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #577FB6

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

Preview Lab → · Contrast checker → · Palette generator →