#579BDC#579BDC

#579BDC is a light, moderate cyan. Relative luminance 0.306; OKLCH L 67.3% C 0.119 H 249.0°. Best body text is #000000 at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#579BDC
RGB	rgb(87, 155, 220)
HSL	hsl(209, 66%, 60%)
HSV	hsv(209, 60%, 86%)
CMYK	cmyk(60.5%, 29.5%, 0%, 13.7%)
CIE-LAB	lab(62.20, -2.14, -39.50)
CIE-LCH	lch(62.20, 39.56, 266.90°)
OKLab	oklab(67.25% -0.0427 -0.1113)
OKLCH	oklch(67.25% 0.119 249)
XYZ	xyz(28.5654, 30.6336, 72.1038)
Luminance	0.3064 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BDC #DC9857

analogous

#57DCDA #579BDC #5759DC

triadic

#579BDC #DC579B #9BDC57

tetradic

#579BDC #DA57DC #DC9857 #59DC57

square

#579BDC #DA57DC #DC9857 #59DC57

split-complementary

#579BDC #DC5759 #DCDA57

monochromatic

#205E99 #2A7DCB #579BDC #8AB9E7 #BCD7F1

Accessibility & contrast

On white

2.95

#579BDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.13

#579BDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579BDC

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BDC	#FFFFFF	#000000	##000000
##579BDC	1.00	2.95	7.13	7.13
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.13	21.00	1.00	1.00
##000000	7.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F9EDF

Deuteranopia (green-blind)

#6D91DB

Tritanopia (blue-blind)

#00AAB2

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #579bdc;
/* rgb */ color: rgb(87, 155, 220);
/* oklch */ color: oklch(67.3% 0.119 249.0);

Tailwind

colors: {
  custom: {
    50: '#91b8e7',
    500: '#579bdc',
    950: '#000000',
  },
}

SCSS

$custom: #579bdc;
$custom-light: #91b8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#579bdc",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 220
  },
  "hsl": {
    "h": 209.323,
    "s": 65.517,
    "l": 60.196
  },
  "oklch": {
    "l": 0.6725,
    "c": 0.11925,
    "h": 249
  },
  "luminance": 0.30636
}

Semantic roles & 50–950 ramp

primary

#579BDC

secondary

#E1C7AE

accent

#7118CD

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #579BDC

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

Preview Lab → · Contrast checker → · Palette generator →