#559FCB#559FCB

#559FCB is a light, moderate cyan. Relative luminance 0.310; OKLCH L 67.3% C 0.099 H 236.8°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#559FCB
RGB	rgb(85, 159, 203)
HSL	hsl(202, 53%, 56%)
HSV	hsv(202, 58%, 80%)
CMYK	cmyk(58.1%, 21.7%, 0%, 20.4%)
CIE-LAB	lab(62.54, -10.17, -29.52)
CIE-LCH	lch(62.54, 31.22, 250.99°)
OKLab	oklab(67.26% -0.0539 -0.0825)
OKLCH	oklch(67.26% 0.099 236.8)
XYZ	xyz(26.9199, 31.0369, 61.0604)
Luminance	0.3104 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FCB #CB8155

analogous

#55CBBC #559FCB #5564CB

triadic

#559FCB #CB559F #9FCB55

tetradic

#559FCB #BC55CB #CB8155 #64CB55

square

#559FCB #BC55CB #CB8155 #64CB55

split-complementary

#559FCB #CB5564 #CBBC55

monochromatic

#275E7F #3581AE #559FCB #84B9D9 #B3D4E8

Accessibility & contrast

On white

2.91

#559FCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.21

#559FCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FCB

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FCB	#FFFFFF	#000000	##000000
##559FCB	1.00	2.91	7.21	7.21
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.21	21.00	1.00	1.00
##000000	7.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9ECD

Deuteranopia (green-blind)

#7A92CA

Tritanopia (blue-blind)

#00AAAE

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #559fcb;
/* rgb */ color: rgb(85, 159, 203);
/* oklch */ color: oklch(67.3% 0.099 236.8);

Tailwind

colors: {
  custom: {
    50: '#8ebbdb',
    500: '#559fcb',
    950: '#000000',
  },
}

SCSS

$custom: #559fcb;
$custom-light: #8ebbdb;
$custom-dark: #000000;

JSON

{
  "hex": "#559fcb",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 203
  },
  "hsl": {
    "h": 202.373,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.67259,
    "c": 0.0986,
    "h": 236.8
  },
  "luminance": 0.31039
}

Semantic roles & 50–950 ramp

primary

#559FCB

secondary

#D6B8A6

accent

#814BDD

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559FCB

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

Preview Lab → · Contrast checker → · Palette generator →