#579DB5#579DB5

#579DB5 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 65.9% C 0.079 H 222.4°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#579DB5
RGB	rgb(87, 157, 181)
HSL	hsl(195, 39%, 53%)
HSV	hsv(195, 52%, 71%)
CMYK	cmyk(51.9%, 13.3%, 0%, 29%)
CIE-LAB	lab(61.20, -15.30, -19.24)
CIE-LCH	lch(61.20, 24.58, 231.50°)
OKLab	oklab(65.94% -0.0583 -0.0533)
OKLCH	oklch(65.94% 0.079 222.4)
XYZ	xyz(24.3248, 29.4743, 48.1144)
Luminance	0.2948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DB5 #B56F57

analogous

#57B59E #579DB5 #576EB5

triadic

#579DB5 #B5579D #9DB557

tetradic

#579DB5 #9E57B5 #B56F57 #6EB557

square

#579DB5 #9E57B5 #B56F57 #6EB557

split-complementary

#579DB5 #B5576E #B59E57

monochromatic

#2D5765 #3F7B90 #579DB5 #81B6C8 #ACCFDA

Accessibility & contrast

On white

3.05

#579DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#579DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579DB5

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DB5	#FFFFFF	#000000	##000000
##579DB5	1.00	3.05	6.90	6.90
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9AB6

Deuteranopia (green-blind)

#818FB5

Tritanopia (blue-blind)

#1BA5A5

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #579db5;
/* rgb */ color: rgb(87, 157, 181);
/* oklch */ color: oklch(65.9% 0.079 222.4);

Tailwind

colors: {
  custom: {
    50: '#8dbacb',
    500: '#579db5',
    950: '#000000',
  },
}

SCSS

$custom: #579db5;
$custom-light: #8dbacb;
$custom-dark: #000000;

JSON

{
  "hex": "#579db5",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 181
  },
  "hsl": {
    "h": 195.319,
    "s": 38.843,
    "l": 52.549
  },
  "oklch": {
    "l": 0.65938,
    "c": 0.07896,
    "h": 222.4
  },
  "luminance": 0.29476
}

Semantic roles & 50–950 ramp

primary

#579DB5

secondary

#C8AA9F

accent

#7759CF

background

#F9FBFC

surface

#F1F6F8

border

#CBD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579DB5

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

Preview Lab → · Contrast checker → · Palette generator →