#579DB1#579DB1

#579DB1 is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.8% C 0.076 H 218.5°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#579DB1
RGB	rgb(87, 157, 177)
HSL	hsl(193, 37%, 52%)
HSV	hsv(193, 51%, 69%)
CMYK	cmyk(50.8%, 11.3%, 0%, 30.6%)
CIE-LAB	lab(61.06, -16.46, -17.20)
CIE-LCH	lch(61.06, 23.81, 226.25°)
OKLab	oklab(65.78% -0.0598 -0.0476)
OKLCH	oklch(65.78% 0.076 218.5)
XYZ	xyz(23.9202, 29.3125, 45.9838)
Luminance	0.2932 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DB1 #B16B57

analogous

#57B198 #579DB1 #5770B1

triadic

#579DB1 #B1579D #9DB157

tetradic

#579DB1 #9857B1 #B16B57 #70B157

square

#579DB1 #9857B1 #B16B57 #70B157

split-complementary

#579DB1 #B15770 #B19857

monochromatic

#2D5561 #407A8A #579DB1 #81B5C4 #ABCED8

Accessibility & contrast

On white

3.06

#579DB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.86

#579DB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579DB1

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DB1	#FFFFFF	#000000	##000000
##579DB1	1.00	3.06	6.86	6.86
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.86	21.00	1.00	1.00
##000000	6.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9099B2

Deuteranopia (green-blind)

#828FB1

Tritanopia (blue-blind)

#21A4A3

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #579db1;
/* rgb */ color: rgb(87, 157, 177);
/* oklch */ color: oklch(65.8% 0.076 218.5);

Tailwind

colors: {
  custom: {
    50: '#8dbac8',
    500: '#579db1',
    950: '#000000',
  },
}

SCSS

$custom: #579db1;
$custom-light: #8dbac8;
$custom-dark: #000000;

JSON

{
  "hex": "#579db1",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 177
  },
  "hsl": {
    "h": 193.333,
    "s": 36.585,
    "l": 51.765
  },
  "oklch": {
    "l": 0.65778,
    "c": 0.07644,
    "h": 218.5
  },
  "luminance": 0.29315
}

Semantic roles & 50–950 ramp

primary

#579DB1

secondary

#C6A79E

accent

#745BCD

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1113

muted

#7D8082

Preview Lab

Preview with #579DB1

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

Preview Lab → · Contrast checker → · Palette generator →