#579CFB#579CFB

#579CFB is a light, vivid cyan. Relative luminance 0.328; OKLCH L 69.1% C 0.157 H 256.9°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#579CFB
RGB	rgb(87, 156, 251)
HSL	hsl(215, 95%, 66%)
HSV	hsv(215, 65%, 98%)
CMYK	cmyk(65.3%, 37.8%, 0%, 1.6%)
CIE-LAB	lab(63.97, 7.52, -53.78)
CIE-LCH	lch(63.97, 54.30, 277.96°)
OKLab	oklab(69.13% -0.0357 -0.153)
OKLCH	oklch(69.13% 0.157 256.9)
XYZ	xyz(33.2252, 32.7649, 95.8214)
Luminance	0.3277 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CFB #FBB657

analogous

#57EEFB #579CFB #6457FB

triadic

#579CFB #FB579C #9CFB57

tetradic

#579CFB #FB57EE #FBB657 #57FB64

square

#579CFB #FB57EE #FBB657 #57FB64

split-complementary

#579CFB #FB6457 #EEFB57

monochromatic

#055CD3 #1B79FA #579CFB #93BFFC #CFE2FE

Accessibility & contrast

On white

2.78

#579CFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#579CFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579CFB

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CFB	#FFFFFF	#000000	##000000
##579CFB	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#72A3FF

Deuteranopia (green-blind)

#5A94F9

Tritanopia (blue-blind)

#00B2BF

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #579cfb;
/* rgb */ color: rgb(87, 156, 251);
/* oklch */ color: oklch(69.1% 0.157 256.9);

Tailwind

colors: {
  custom: {
    50: '#96b8fd',
    500: '#579cfb',
    950: '#000000',
  },
}

SCSS

$custom: #579cfb;
$custom-light: #96b8fd;
$custom-dark: #000000;

JSON

{
  "hex": "#579cfb",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 251
  },
  "hsl": {
    "h": 214.756,
    "s": 95.349,
    "l": 66.275
  },
  "oklch": {
    "l": 0.69126,
    "c": 0.15709,
    "h": 256.9
  },
  "luminance": 0.32768
}

Semantic roles & 50–950 ramp

primary

#579CFB

secondary

#F2DBBC

accent

#8500E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1118

muted

#7E8086

Preview Lab

Preview with #579CFB

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

Preview Lab → · Contrast checker → · Palette generator →