#579BE3#579BE3

#579BE3 is a light, vivid cyan. Relative luminance 0.310; OKLCH L 67.6% C 0.128 H 251.4°. Best body text is #000000 at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#579BE3
RGB	rgb(87, 155, 227)
HSL	hsl(211, 71%, 62%)
HSV	hsv(211, 62%, 89%)
CMYK	cmyk(61.7%, 31.7%, 0%, 11%)
CIE-LAB	lab(62.52, 0.14, -42.88)
CIE-LCH	lch(62.52, 42.88, 270.18°)
OKLab	oklab(67.61% -0.0407 -0.1212)
OKLCH	oklch(67.61% 0.128 251.4)
XYZ	xyz(29.5119, 31.0122, 77.0888)
Luminance	0.3101 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BE3 #E39F57

analogous

#57E1E3 #579BE3 #5957E3

triadic

#579BE3 #E3579B #9BE357

tetradic

#579BE3 #E357E1 #E39F57 #57E359

square

#579BE3 #E357E1 #E39F57 #57E359

split-complementary

#579BE3 #E35957 #E1E357

monochromatic

#1B5EA4 #247CD9 #579BE3 #8BBAEC #C0D9F4

Accessibility & contrast

On white

2.92

#579BE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.20

#579BE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579BE3

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BE3	#FFFFFF	#000000	##000000
##579BE3	1.00	2.92	7.20	7.20
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.20	21.00	1.00	1.00
##000000	7.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C9FE6

Deuteranopia (green-blind)

#6991E2

Tritanopia (blue-blind)

#00ACB5

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #579be3;
/* rgb */ color: rgb(87, 155, 227);
/* oklch */ color: oklch(67.6% 0.128 251.4);

Tailwind

colors: {
  custom: {
    50: '#92b8ec',
    500: '#579be3',
    950: '#000000',
  },
}

SCSS

$custom: #579be3;
$custom-light: #92b8ec;
$custom-dark: #000000;

JSON

{
  "hex": "#579be3",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 227
  },
  "hsl": {
    "h": 210.857,
    "s": 71.429,
    "l": 61.569
  },
  "oklch": {
    "l": 0.67608,
    "c": 0.12781,
    "h": 251.4
  },
  "luminance": 0.31015
}

Semantic roles & 50–950 ramp

primary

#579BE3

secondary

#E5CCB1

accent

#7612D3

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579BE3

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

Preview Lab → · Contrast checker → · Palette generator →