#579EB7#579EB7

#579EB7 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.3% C 0.080 H 223.1°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#579EB7
RGB	rgb(87, 158, 183)
HSL	hsl(196, 40%, 53%)
HSV	hsv(196, 52%, 72%)
CMYK	cmyk(52.5%, 13.7%, 0%, 28.2%)
CIE-LAB	lab(61.56, -15.25, -19.80)
CIE-LCH	lch(61.56, 25.00, 232.39°)
OKLab	oklab(66.26% -0.0586 -0.0549)
OKLCH	oklch(66.26% 0.08 223.1)
XYZ	xyz(24.7013, 29.8967, 49.2595)
Luminance	0.2990 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579EB7 #B77057

analogous

#57B7A0 #579EB7 #576EB7

triadic

#579EB7 #B7579E #9EB757

tetradic

#579EB7 #A057B7 #B77057 #6EB757

square

#579EB7 #A057B7 #B77057 #6EB757

split-complementary

#579EB7 #B7576E #B7A057

monochromatic

#2C5867 #3F7C92 #579EB7 #82B7C9 #ADCFDC

Accessibility & contrast

On white

3.01

#579EB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#579EB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579EB7

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579EB7	#FFFFFF	#000000	##000000
##579EB7	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909BB8

Deuteranopia (green-blind)

#8190B7

Tritanopia (blue-blind)

#17A6A6

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #579eb7;
/* rgb */ color: rgb(87, 158, 183);
/* oklch */ color: oklch(66.3% 0.080 223.1);

Tailwind

colors: {
  custom: {
    50: '#8dbacc',
    500: '#579eb7',
    950: '#000000',
  },
}

SCSS

$custom: #579eb7;
$custom-light: #8dbacc;
$custom-dark: #000000;

JSON

{
  "hex": "#579eb7",
  "rgb": {
    "r": 87,
    "g": 158,
    "b": 183
  },
  "hsl": {
    "h": 195.625,
    "s": 40,
    "l": 52.941
  },
  "oklch": {
    "l": 0.66255,
    "c": 0.08032,
    "h": 223.1
  },
  "luminance": 0.29899
}

Semantic roles & 50–950 ramp

primary

#579EB7

secondary

#CAABA0

accent

#7758D0

background

#F9FBFC

surface

#F1F6F8

border

#CBD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579EB7

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

Preview Lab → · Contrast checker → · Palette generator →