#559ECB#559ECB

#559ECB is a light, moderate cyan. Relative luminance 0.307; OKLCH L 67.0% C 0.099 H 237.8°. Best body text is #000000 at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#559ECB
RGB	rgb(85, 158, 203)
HSL	hsl(203, 53%, 56%)
HSV	hsv(203, 58%, 80%)
CMYK	cmyk(58.1%, 22.2%, 0%, 20.4%)
CIE-LAB	lab(62.25, -9.62, -29.97)
CIE-LCH	lch(62.25, 31.47, 252.20°)
OKLab	oklab(67.03% -0.0528 -0.0838)
OKLCH	oklch(67.03% 0.099 237.8)
XYZ	xyz(26.7486, 30.6943, 61.0033)
Luminance	0.3070 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559ECB #CB8255

analogous

#55CBBD #559ECB #5563CB

triadic

#559ECB #CB559E #9ECB55

tetradic

#559ECB #BD55CB #CB8255 #63CB55

square

#559ECB #BD55CB #CB8255 #63CB55

split-complementary

#559ECB #CB5563 #CBBD55

monochromatic

#275D7F #3580AE #559ECB #84B9D9 #B3D3E8

Accessibility & contrast

On white

2.94

#559ECB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.14

#559ECB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559ECB

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559ECB	#FFFFFF	#000000	##000000
##559ECB	1.00	2.94	7.14	7.14
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.14	21.00	1.00	1.00
##000000	7.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899DCD

Deuteranopia (green-blind)

#7991CA

Tritanopia (blue-blind)

#00A9AD

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559ecb;
/* rgb */ color: rgb(85, 158, 203);
/* oklch */ color: oklch(67.0% 0.099 237.8);

Tailwind

colors: {
  custom: {
    50: '#8ebadb',
    500: '#559ecb',
    950: '#000000',
  },
}

SCSS

$custom: #559ecb;
$custom-light: #8ebadb;
$custom-dark: #000000;

JSON

{
  "hex": "#559ecb",
  "rgb": {
    "r": 85,
    "g": 158,
    "b": 203
  },
  "hsl": {
    "h": 202.881,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.67029,
    "c": 0.09909,
    "h": 237.8
  },
  "luminance": 0.30697
}

Semantic roles & 50–950 ramp

primary

#559ECB

secondary

#D6B8A6

accent

#834BDD

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559ECB

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

Preview Lab → · Contrast checker → · Palette generator →