#579DBB#579DBB

#579DBB is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.2% C 0.083 H 227.9°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#579DBB
RGB	rgb(87, 157, 187)
HSL	hsl(198, 42%, 54%)
HSV	hsv(198, 53%, 73%)
CMYK	cmyk(53.5%, 16%, 0%, 26.7%)
CIE-LAB	lab(61.42, -13.53, -22.28)
CIE-LCH	lch(61.42, 26.06, 238.72°)
OKLab	oklab(66.19% -0.056 -0.0619)
OKLCH	oklch(66.19% 0.083 227.9)
XYZ	xyz(24.9537, 29.7259, 51.4267)
Luminance	0.2973 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DBB #BB7557

analogous

#57BBA7 #579DBB #576BBB

triadic

#579DBB #BB579D #9DBB57

tetradic

#579DBB #A757BB #BB7557 #6BBB57

square

#579DBB #A757BB #BB7557 #6BBB57

split-complementary

#579DBB #BB576B #BBA757

monochromatic

#2C596C #3D7C97 #579DBB #83B6CD #AED0DE

Accessibility & contrast

On white

3.02

#579DBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#579DBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579DBB

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DBB	#FFFFFF	#000000	##000000
##579DBB	1.00	3.02	6.95	6.95
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.95	21.00	1.00	1.00
##000000	6.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9ABD

Deuteranopia (green-blind)

#7F90BB

Tritanopia (blue-blind)

#0FA6A7

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #579dbb;
/* rgb */ color: rgb(87, 157, 187);
/* oklch */ color: oklch(66.2% 0.083 227.9);

Tailwind

colors: {
  custom: {
    50: '#8ebacf',
    500: '#579dbb',
    950: '#000000',
  },
}

SCSS

$custom: #579dbb;
$custom-light: #8ebacf;
$custom-dark: #000000;

JSON

{
  "hex": "#579dbb",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 187
  },
  "hsl": {
    "h": 198,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.66185,
    "c": 0.08344,
    "h": 227.9
  },
  "luminance": 0.29728
}

Semantic roles & 50–950 ramp

primary

#579DBB

secondary

#CCAEA2

accent

#7B56D2

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #579DBB

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

Preview Lab → · Contrast checker → · Palette generator →