#579BB0#579BB0

#579BB0 is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.3% C 0.076 H 220.0°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#579BB0
RGB	rgb(87, 155, 176)
HSL	hsl(194, 36%, 52%)
HSV	hsv(194, 51%, 69%)
CMYK	cmyk(50.6%, 11.9%, 0%, 31%)
CIE-LAB	lab(60.43, -15.68, -17.59)
CIE-LCH	lch(60.43, 23.56, 228.28°)
OKLab	oklab(65.27% -0.0579 -0.0486)
OKLCH	oklch(65.27% 0.076 220)
XYZ	xyz(23.4853, 28.6016, 45.3489)
Luminance	0.2860 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BB0 #B06C57

analogous

#57B099 #579BB0 #576FB0

triadic

#579BB0 #B0579B #9BB057

tetradic

#579BB0 #9957B0 #B06C57 #6FB057

square

#579BB0 #9957B0 #B06C57 #6FB057

split-complementary

#579BB0 #B0576F #B09957

monochromatic

#2D5460 #417889 #579BB0 #81B4C4 #AACDD7

Accessibility & contrast

On white

3.12

#579BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#579BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579BB0

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BB0	#FFFFFF	#000000	##000000
##579BB0	1.00	3.12	6.72	6.72
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E97B1

Deuteranopia (green-blind)

#818DB0

Tritanopia (blue-blind)

#23A2A2

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #579bb0;
/* rgb */ color: rgb(87, 155, 176);
/* oklch */ color: oklch(65.3% 0.076 220.0);

Tailwind

colors: {
  custom: {
    50: '#8cb8c7',
    500: '#579bb0',
    950: '#000000',
  },
}

SCSS

$custom: #579bb0;
$custom-light: #8cb8c7;
$custom-dark: #000000;

JSON

{
  "hex": "#579bb0",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 176
  },
  "hsl": {
    "h": 194.157,
    "s": 36.032,
    "l": 51.569
  },
  "oklch": {
    "l": 0.65265,
    "c": 0.0756,
    "h": 220
  },
  "luminance": 0.28604
}

Semantic roles & 50–950 ramp

primary

#579BB0

secondary

#C5A79E

accent

#765CCC

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1113

muted

#7D8082

Preview Lab

Preview with #579BB0

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

Preview Lab → · Contrast checker → · Palette generator →