#579DB3#579DB3

#579DB3 is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.9% C 0.078 H 220.5°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#579DB3
RGB	rgb(87, 157, 179)
HSL	hsl(194, 38%, 52%)
HSV	hsv(194, 51%, 70%)
CMYK	cmyk(51.4%, 12.3%, 0%, 29.8%)
CIE-LAB	lab(61.13, -15.88, -18.22)
CIE-LCH	lch(61.13, 24.17, 228.92°)
OKLab	oklab(65.86% -0.059 -0.0504)
OKLCH	oklch(65.86% 0.078 220.5)
XYZ	xyz(24.1210, 29.3928, 47.0413)
Luminance	0.2939 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DB3 #B36D57

analogous

#57B39B #579DB3 #576FB3

triadic

#579DB3 #B3579D #9DB357

tetradic

#579DB3 #9B57B3 #B36D57 #6FB357

square

#579DB3 #9B57B3 #B36D57 #6FB357

split-complementary

#579DB3 #B3576F #B39B57

monochromatic

#2D5663 #407B8D #579DB3 #81B6C6 #ABCED9

Accessibility & contrast

On white

3.05

#579DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#579DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579DB3

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DB3	#FFFFFF	#000000	##000000
##579DB3	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9099B4

Deuteranopia (green-blind)

#828FB3

Tritanopia (blue-blind)

#1EA4A4

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #579db3;
/* rgb */ color: rgb(87, 157, 179);
/* oklch */ color: oklch(65.9% 0.078 220.5);

Tailwind

colors: {
  custom: {
    50: '#8dbac9',
    500: '#579db3',
    950: '#000000',
  },
}

SCSS

$custom: #579db3;
$custom-light: #8dbac9;
$custom-dark: #000000;

JSON

{
  "hex": "#579db3",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 179
  },
  "hsl": {
    "h": 194.348,
    "s": 37.705,
    "l": 52.157
  },
  "oklch": {
    "l": 0.65858,
    "c": 0.07765,
    "h": 220.5
  },
  "luminance": 0.29395
}

Semantic roles & 50–950 ramp

primary

#579DB3

secondary

#C7A89F

accent

#765ACE

background

#F9FBFC

surface

#F1F6F8

border

#CBD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579DB3

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

Preview Lab → · Contrast checker → · Palette generator →