#579DFF#579DFF

#579DFF is a light, vivid blue. Relative luminance 0.334; OKLCH L 69.6% C 0.161 H 257.2°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#579DFF
RGB	rgb(87, 157, 255)
HSL	hsl(215, 100%, 67%)
HSV	hsv(215, 66%, 100%)
CMYK	cmyk(65.9%, 38.4%, 0%, 0%)
CIE-LAB	lab(64.45, 8.28, -55.20)
CIE-LCH	lch(64.45, 55.82, 278.53°)
OKLab	oklab(69.57% -0.0357 -0.1571)
OKLCH	oklch(69.57% 0.161 257.2)
XYZ	xyz(34.0309, 33.3568, 99.2334)
Luminance	0.3336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DFF #FFB957

analogous

#57F1FF #579DFF #6557FF

triadic

#579DFF #FF579D #9DFF57

tetradic

#579DFF #FF57F1 #FFB957 #57FF65

square

#579DFF #FF57F1 #FFB957 #57FF65

split-complementary

#579DFF #FF6557 #F1FF57

monochromatic

#005CDC #1A79FF #579DFF #94C1FF #D1E4FF

Accessibility & contrast

On white

2.74

#579DFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#579DFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DFF

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DFF	#FFFFFF	#000000	##000000
##579DFF	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)

#71A5FF

Deuteranopia (green-blind)

#5895FD

Tritanopia (blue-blind)

#00B4C2

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #579dff;
/* rgb */ color: rgb(87, 157, 255);
/* oklch */ color: oklch(69.6% 0.161 257.2);

Tailwind

colors: {
  custom: {
    50: '#96b9ff',
    500: '#579dff',
    950: '#000000',
  },
}

SCSS

$custom: #579dff;
$custom-light: #96b9ff;
$custom-dark: #000000;

JSON

{
  "hex": "#579dff",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 255
  },
  "hsl": {
    "h": 215,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.69566,
    "c": 0.16116,
    "h": 257.2
  },
  "luminance": 0.3336
}

Semantic roles & 50–950 ramp

primary

#579DFF

secondary

#F4DDBE

accent

#8600E6

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #579DFF

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

Preview Lab → · Contrast checker → · Palette generator →