#579BCD#579BCD

#579BCD is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.5% C 0.102 H 242.3°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#579BCD
RGB	rgb(87, 155, 205)
HSL	hsl(205, 54%, 57%)
HSV	hsv(205, 58%, 80%)
CMYK	cmyk(57.6%, 24.4%, 0%, 19.6%)
CIE-LAB	lab(61.55, -6.92, -32.17)
CIE-LCH	lch(61.55, 32.90, 257.86°)
OKLab	oklab(66.52% -0.0474 -0.0901)
OKLCH	oklch(66.52% 0.102 242.3)
XYZ	xyz(26.6672, 29.8743, 62.1068)
Luminance	0.2988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BCD #CD8957

analogous

#57CDC4 #579BCD #5760CD

triadic

#579BCD #CD579B #9BCD57

tetradic

#579BCD #C457CD #CD8957 #60CD57

square

#579BCD #C457CD #CD8957 #60CD57

split-complementary

#579BCD #CD5760 #CDC457

monochromatic

#275C83 #357DB2 #579BCD #86B7DB #B5D3E9

Accessibility & contrast

On white

3.01

#579BCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#579BCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #579BCD

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BCD	#FFFFFF	#000000	##000000
##579BCD	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859BCF

Deuteranopia (green-blind)

#758FCC

Tritanopia (blue-blind)

#00A7AC

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #579bcd;
/* rgb */ color: rgb(87, 155, 205);
/* oklch */ color: oklch(66.5% 0.102 242.3);

Tailwind

colors: {
  custom: {
    50: '#8fb8dc',
    500: '#579bcd',
    950: '#000000',
  },
}

SCSS

$custom: #579bcd;
$custom-light: #8fb8dc;
$custom-dark: #000000;

JSON

{
  "hex": "#579bcd",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 205
  },
  "hsl": {
    "h": 205.424,
    "s": 54.128,
    "l": 57.255
  },
  "oklch": {
    "l": 0.66522,
    "c": 0.10182,
    "h": 242.3
  },
  "luminance": 0.29877
}

Semantic roles & 50–950 ramp

primary

#579BCD

secondary

#D8BCA8

accent

#894ADD

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579BCD

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

Preview Lab → · Contrast checker → · Palette generator →