#579BF4#579BF4

#579BF4 is a light, vivid cyan. Relative luminance 0.320; OKLCH L 68.5% C 0.149 H 255.9°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#579BF4
RGB	rgb(87, 155, 244)
HSL	hsl(214, 88%, 65%)
HSV	hsv(214, 64%, 96%)
CMYK	cmyk(64.3%, 36.5%, 0%, 4.3%)
CIE-LAB	lab(63.34, 5.76, -50.95)
CIE-LCH	lch(63.34, 51.27, 276.45°)
OKLab	oklab(68.52% -0.0363 -0.1447)
OKLCH	oklch(68.52% 0.149 255.9)
XYZ	xyz(31.9751, 31.9974, 90.0614)
Luminance	0.3200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BF4 #F4B057

analogous

#57E9F4 #579BF4 #6257F4

triadic

#579BF4 #F4579B #9BF457

tetradic

#579BF4 #F457E9 #F4B057 #57F462

square

#579BF4 #F457E9 #F4B057 #57F462

split-complementary

#579BF4 #F46257 #E9F457

monochromatic

#0D5CC4 #1E79F0 #579BF4 #90BDF8 #CADFFC

Accessibility & contrast

On white

2.84

#579BF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.40

#579BF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579BF4

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BF4	#FFFFFF	#000000	##000000
##579BF4	1.00	2.84	7.40	7.40
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.40	21.00	1.00	1.00
##000000	7.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74A1F8

Deuteranopia (green-blind)

#5E93F2

Tritanopia (blue-blind)

#00AFBC

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #579bf4;
/* rgb */ color: rgb(87, 155, 244);
/* oklch */ color: oklch(68.5% 0.149 255.9);

Tailwind

colors: {
  custom: {
    50: '#95b8f8',
    500: '#579bf4',
    950: '#000000',
  },
}

SCSS

$custom: #579bf4;
$custom-light: #95b8f8;
$custom-dark: #000000;

JSON

{
  "hex": "#579bf4",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 244
  },
  "hsl": {
    "h": 214.013,
    "s": 87.709,
    "l": 64.902
  },
  "oklch": {
    "l": 0.6852,
    "c": 0.14919,
    "h": 255.9
  },
  "luminance": 0.32001
}

Semantic roles & 50–950 ramp

primary

#579BF4

secondary

#EED7B9

accent

#8201E4

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579BF4

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

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