#579EB9#579EB9

#579EB9 is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.3% C 0.082 H 224.9°. Best body text is #000000 at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#579EB9
RGB	rgb(87, 158, 185)
HSL	hsl(197, 41%, 53%)
HSV	hsv(197, 53%, 73%)
CMYK	cmyk(53%, 14.6%, 0%, 27.5%)
CIE-LAB	lab(61.64, -14.67, -20.82)
CIE-LCH	lch(61.64, 25.46, 234.83°)
OKLab	oklab(66.34% -0.0579 -0.0577)
OKLCH	oklch(66.34% 0.082 224.9)
XYZ	xyz(24.9110, 29.9806, 50.3636)
Luminance	0.2998 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579EB9 #B97257

analogous

#57B9A3 #579EB9 #576DB9

triadic

#579EB9 #B9579E #9EB957

tetradic

#579EB9 #A357B9 #B97257 #6DB957

square

#579EB9 #A357B9 #B97257 #6DB957

split-complementary

#579EB9 #B9576D #B9A357

monochromatic

#2C596A #3E7D95 #579EB9 #82B7CB #ADD0DD

Accessibility & contrast

On white

3.00

#579EB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

7.00

#579EB9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579EB9

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579EB9	#FFFFFF	#000000	##000000
##579EB9	1.00	3.00	7.00	7.00
#FFFFFF	3.00	1.00	21.00	21.00
#000000	7.00	21.00	1.00	1.00
##000000	7.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9BBA

Deuteranopia (green-blind)

#8190B9

Tritanopia (blue-blind)

#13A6A7

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #579eb9;
/* rgb */ color: rgb(87, 158, 185);
/* oklch */ color: oklch(66.3% 0.082 224.9);

Tailwind

colors: {
  custom: {
    50: '#8dbace',
    500: '#579eb9',
    950: '#000000',
  },
}

SCSS

$custom: #579eb9;
$custom-light: #8dbace;
$custom-dark: #000000;

JSON

{
  "hex": "#579eb9",
  "rgb": {
    "r": 87,
    "g": 158,
    "b": 185
  },
  "hsl": {
    "h": 196.531,
    "s": 41.176,
    "l": 53.333
  },
  "oklch": {
    "l": 0.66336,
    "c": 0.08176,
    "h": 224.9
  },
  "luminance": 0.29983
}

Semantic roles & 50–950 ramp

primary

#579EB9

secondary

#CBACA1

accent

#7857D1

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579EB9

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

Preview Lab → · Contrast checker → · Palette generator →