#579CBF#579CBF

#579CBF is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.1% C 0.087 H 232.3°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#579CBF
RGB	rgb(87, 156, 191)
HSL	hsl(200, 45%, 55%)
HSV	hsv(200, 54%, 75%)
CMYK	cmyk(54.5%, 18.3%, 0%, 25.1%)
CIE-LAB	lab(61.27, -11.79, -24.74)
CIE-LCH	lch(61.27, 27.41, 244.52°)
OKLab	oklab(66.12% -0.0533 -0.0689)
OKLCH	oklch(66.12% 0.087 232.3)
XYZ	xyz(25.2194, 29.5626, 53.6572)
Luminance	0.2957 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579CBF #BF7A57

analogous

#57BFAE #579CBF #5768BF

triadic

#579CBF #BF579C #9CBF57

tetradic

#579CBF #AE57BF #BF7A57 #68BF57

square

#579CBF #AE57BF #BF7A57 #68BF57

split-complementary

#579CBF #BF5768 #BFAE57

monochromatic

#2B5971 #3C7C9D #579CBF #83B6D0 #B0D0E1

Accessibility & contrast

On white

3.04

#579CBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#579CBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579CBF

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579CBF	#FFFFFF	#000000	##000000
##579CBF	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9AC1

Deuteranopia (green-blind)

#7C8FBE

Tritanopia (blue-blind)

#03A6A7

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #579cbf;
/* rgb */ color: rgb(87, 156, 191);
/* oklch */ color: oklch(66.1% 0.087 232.3);

Tailwind

colors: {
  custom: {
    50: '#8eb9d2',
    500: '#579cbf',
    950: '#000000',
  },
}

SCSS

$custom: #579cbf;
$custom-light: #8eb9d2;
$custom-dark: #000000;

JSON

{
  "hex": "#579cbf",
  "rgb": {
    "r": 87,
    "g": 156,
    "b": 191
  },
  "hsl": {
    "h": 200.192,
    "s": 44.828,
    "l": 54.51
  },
  "oklch": {
    "l": 0.66122,
    "c": 0.08711,
    "h": 232.3
  },
  "luminance": 0.29565
}

Semantic roles & 50–950 ramp

primary

#579CBF

secondary

#CFB2A3

accent

#7F53D5

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1114

muted

#7E8082

Preview Lab

Preview with #579CBF

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

Preview Lab → · Contrast checker → · Palette generator →