#579DF1#579DF1

#579DF1 is a light, vivid cyan. Relative luminance 0.325; OKLCH L 68.8% C 0.143 H 254.2°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#579DF1
RGB	rgb(87, 157, 241)
HSL	hsl(213, 85%, 64%)
HSV	hsv(213, 64%, 95%)
CMYK	cmyk(63.9%, 34.9%, 0%, 5.5%)
CIE-LAB	lab(63.74, 3.60, -48.66)
CIE-LCH	lch(63.74, 48.79, 274.23°)
OKLab	oklab(68.79% -0.039 -0.138)
OKLCH	oklch(68.79% 0.143 254.2)
XYZ	xyz(31.8589, 32.4879, 87.7939)
Luminance	0.3249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DF1 #F1AB57

analogous

#57EAF1 #579DF1 #5E57F1

triadic

#579DF1 #F1579D #9DF157

tetradic

#579DF1 #F157EA #F1AB57 #57F15E

square

#579DF1 #F157EA #F1AB57 #57F15E

split-complementary

#579DF1 #F15E57 #EAF157

monochromatic

#105FBE #1F7CEC #579DF1 #8FBEF6 #C8DFFA

Accessibility & contrast

On white

2.80

#579DF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#579DF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DF1

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DF1	#FFFFFF	#000000	##000000
##579DF1	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A2F4

Deuteranopia (green-blind)

#6394EF

Tritanopia (blue-blind)

#00B0BC

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #579df1;
/* rgb */ color: rgb(87, 157, 241);
/* oklch */ color: oklch(68.8% 0.143 254.2);

Tailwind

colors: {
  custom: {
    50: '#94b9f6',
    500: '#579df1',
    950: '#000000',
  },
}

SCSS

$custom: #579df1;
$custom-light: #94b9f6;
$custom-dark: #000000;

JSON

{
  "hex": "#579df1",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 241
  },
  "hsl": {
    "h": 212.727,
    "s": 84.615,
    "l": 64.314
  },
  "oklch": {
    "l": 0.68786,
    "c": 0.14341,
    "h": 254.2
  },
  "luminance": 0.32491
}

Semantic roles & 50–950 ramp

primary

#579DF1

secondary

#EDD4B7

accent

#7D04E1

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579DF1

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

Preview Lab → · Contrast checker → · Palette generator →