#579FF4#579FF4

#579FF4 is a light, vivid cyan. Relative luminance 0.334; OKLCH L 69.4% C 0.145 H 253.9°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#579FF4
RGB	rgb(87, 159, 244)
HSL	hsl(212, 88%, 65%)
HSV	hsv(212, 64%, 96%)
CMYK	cmyk(64.3%, 34.8%, 0%, 4.3%)
CIE-LAB	lab(64.44, 3.44, -49.20)
CIE-LCH	lch(64.44, 49.32, 274.00°)
OKLab	oklab(69.38% -0.0402 -0.1395)
OKLCH	oklch(69.38% 0.145 253.9)
XYZ	xyz(32.6518, 33.3509, 90.2870)
Luminance	0.3335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FF4 #F4AC57

analogous

#57EDF4 #579FF4 #5E57F4

triadic

#579FF4 #F4579F #9FF457

tetradic

#579FF4 #F457ED #F4AC57 #57F45E

square

#579FF4 #F457ED #F4AC57 #57F45E

split-complementary

#579FF4 #F45E57 #EDF457

monochromatic

#0D61C4 #1E7EF0 #579FF4 #90C0F8 #CAE1FC

Accessibility & contrast

On white

2.74

#579FF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#579FF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FF4

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FF4	#FFFFFF	#000000	##000000
##579FF4	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA4F8

Deuteranopia (green-blind)

#6495F2

Tritanopia (blue-blind)

#00B3BE

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #579ff4;
/* rgb */ color: rgb(87, 159, 244);
/* oklch */ color: oklch(69.4% 0.145 253.9);

Tailwind

colors: {
  custom: {
    50: '#95bbf8',
    500: '#579ff4',
    950: '#000000',
  },
}

SCSS

$custom: #579ff4;
$custom-light: #95bbf8;
$custom-dark: #000000;

JSON

{
  "hex": "#579ff4",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 244
  },
  "hsl": {
    "h": 212.484,
    "s": 87.709,
    "l": 64.902
  },
  "oklch": {
    "l": 0.69381,
    "c": 0.14524,
    "h": 253.9
  },
  "luminance": 0.33354
}

Semantic roles & 50–950 ramp

primary

#579FF4

secondary

#EED6B9

accent

#7C01E4

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579FF4

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

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