#579FFA#579FFA

#579FFA is a light, vivid cyan. Relative luminance 0.337; OKLCH L 69.7% C 0.153 H 255.3°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#579FFA
RGB	rgb(87, 159, 250)
HSL	hsl(213, 94%, 66%)
HSV	hsv(213, 65%, 98%)
CMYK	cmyk(65.2%, 36.4%, 0%, 2%)
CIE-LAB	lab(64.74, 5.44, -52.01)
CIE-LCH	lch(64.74, 52.30, 275.97°)
OKLab	oklab(69.71% -0.0388 -0.1478)
OKLCH	oklch(69.71% 0.153 255.3)
XYZ	xyz(33.5777, 33.7213, 95.1632)
Luminance	0.3372 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579FFA #FAB257

analogous

#57F0FA #579FFA #6057FA

triadic

#579FFA #FA579F #9FFA57

tetradic

#579FFA #FA57F0 #FAB257 #57FA60

square

#579FFA #FA57F0 #FAB257 #57FA60

split-complementary

#579FFA #FA6057 #F0FA57

monochromatic

#0660D0 #1C7DF8 #579FFA #92C1FC #CEE3FE

Accessibility & contrast

On white

2.71

#579FFA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#579FFA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579FFA

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579FFA	#FFFFFF	#000000	##000000
##579FFA	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77A5FE

Deuteranopia (green-blind)

#5F96F8

Tritanopia (blue-blind)

#00B4C1

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #579ffa;
/* rgb */ color: rgb(87, 159, 250);
/* oklch */ color: oklch(69.7% 0.153 255.3);

Tailwind

colors: {
  custom: {
    50: '#95bafc',
    500: '#579ffa',
    950: '#000000',
  },
}

SCSS

$custom: #579ffa;
$custom-light: #95bafc;
$custom-dark: #000000;

JSON

{
  "hex": "#579ffa",
  "rgb": {
    "r": 87,
    "g": 159,
    "b": 250
  },
  "hsl": {
    "h": 213.497,
    "s": 94.22,
    "l": 66.078
  },
  "oklch": {
    "l": 0.6971,
    "c": 0.15278,
    "h": 255.3
  },
  "luminance": 0.33725
}

Semantic roles & 50–950 ramp

primary

#579FFA

secondary

#F1DABC

accent

#8000E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1117

muted

#7E8085

Preview Lab

Preview with #579FFA

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

Preview Lab → · Contrast checker → · Palette generator →