#579BCA#579BCA

#579BCA is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.4% C 0.099 H 240.6°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#579BCA
RGB	rgb(87, 155, 202)
HSL	hsl(205, 52%, 57%)
HSV	hsv(205, 57%, 79%)
CMYK	cmyk(56.9%, 23.3%, 0%, 20.8%)
CIE-LAB	lab(61.42, -7.86, -30.68)
CIE-LCH	lch(61.42, 31.67, 255.63°)
OKLab	oklab(66.38% -0.0483 -0.0859)
OKLCH	oklch(66.38% 0.099 240.6)
XYZ	xyz(26.3086, 29.7308, 60.2179)
Luminance	0.2973 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BCA #CA8657

analogous

#57CAC0 #579BCA #5762CA

triadic

#579BCA #CA579B #9BCA57

tetradic

#579BCA #C057CA #CA8657 #62CA57

square

#579BCA #C057CA #CA8657 #62CA57

split-complementary

#579BCA #CA5762 #CAC057

monochromatic

#285B7F #377DAD #579BCA #86B7D9 #B4D2E7

Accessibility & contrast

On white

3.02

#579BCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#579BCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579BCA

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BCA	#FFFFFF	#000000	##000000
##579BCA	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)

#869BCC

Deuteranopia (green-blind)

#768FC9

Tritanopia (blue-blind)

#00A7AB

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #579bca;
/* rgb */ color: rgb(87, 155, 202);
/* oklch */ color: oklch(66.4% 0.099 240.6);

Tailwind

colors: {
  custom: {
    50: '#8fb8da',
    500: '#579bca',
    950: '#000000',
  },
}

SCSS

$custom: #579bca;
$custom-light: #8fb8da;
$custom-dark: #000000;

JSON

{
  "hex": "#579bca",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 202
  },
  "hsl": {
    "h": 204.522,
    "s": 52.036,
    "l": 56.667
  },
  "oklch": {
    "l": 0.66383,
    "c": 0.09855,
    "h": 240.6
  },
  "luminance": 0.29733
}

Semantic roles & 50–950 ramp

primary

#579BCA

secondary

#D6BAA7

accent

#874CDB

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579BCA

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

Preview Lab → · Contrast checker → · Palette generator →