#579CFF#579CFF

#579CFF is a light, vivid blue. Relative luminance 0.330; OKLCH L 69.4% C 0.162 H 257.6°. Best body text is #000000 at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#579CFF
RGB	rgb(87, 156, 255)
HSL	hsl(215, 100%, 67%)
HSV	hsv(215, 66%, 100%)
CMYK	cmyk(65.9%, 38.8%, 0%, 0%)
CIE-LAB	lab(64.18, 8.87, -55.64)
CIE-LCH	lch(64.18, 56.34, 279.05°)
OKLab	oklab(69.35% -0.0348 -0.1584)
OKLCH	oklch(69.35% 0.162 257.6)
XYZ	xyz(33.8624, 33.0198, 99.1772)
Luminance	0.3302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CFF #FFBA57

analogous

#57F0FF #579CFF #6657FF

triadic

#579CFF #FF579C #9CFF57

tetradic

#579CFF #FF57F0 #FFBA57 #57FF66

square

#579CFF #FF57F0 #FFBA57 #57FF66

split-complementary

#579CFF #FF6657 #F0FF57

monochromatic

#005ADC #1A78FF #579CFF #94C0FF #D1E4FF

Accessibility & contrast

On white

2.76

#579CFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.60

#579CFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579CFF

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CFF	#FFFFFF	#000000	##000000
##579CFF	1.00	2.76	7.60	7.60
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.60	21.00	1.00	1.00
##000000	7.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6FA4FF

Deuteranopia (green-blind)

#5694FD

Tritanopia (blue-blind)

#00B3C1

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #579cff;
/* rgb */ color: rgb(87, 156, 255);
/* oklch */ color: oklch(69.4% 0.162 257.6);

Tailwind

colors: {
  custom: {
    50: '#96b8ff',
    500: '#579cff',
    950: '#000000',
  },
}

SCSS

$custom: #579cff;
$custom-light: #96b8ff;
$custom-dark: #000000;

JSON

{
  "hex": "#579cff",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 255
  },
  "hsl": {
    "h": 215.357,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.69354,
    "c": 0.1622,
    "h": 257.6
  },
  "luminance": 0.33023
}

Semantic roles & 50–950 ramp

primary

#579CFF

secondary

#F4DEBE

accent

#8700E6

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #579CFF

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

Preview Lab → · Contrast checker → · Palette generator →