#559CCB#559CCB

#559CCB is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.6% C 0.100 H 239.6°. Best body text is #000000 at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#559CCB
RGB	rgb(85, 156, 203)
HSL	hsl(204, 53%, 56%)
HSV	hsv(204, 58%, 80%)
CMYK	cmyk(58.1%, 23.2%, 0%, 20.4%)
CIE-LAB	lab(61.67, -8.51, -30.86)
CIE-LCH	lch(61.67, 32.01, 254.59°)
OKLab	oklab(66.57% -0.0506 -0.0864)
OKLCH	oklch(66.57% 0.1 239.6)
XYZ	xyz(26.4103, 30.0176, 60.8905)
Luminance	0.3002 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CCB #CB8455

analogous

#55CBBF #559CCB #5561CB

triadic

#559CCB #CB559C #9CCB55

tetradic

#559CCB #BF55CB #CB8455 #61CB55

square

#559CCB #BF55CB #CB8455 #61CB55

split-complementary

#559CCB #CB5561 #CBBF55

monochromatic

#275C7F #357EAE #559CCB #84B7D9 #B3D3E8

Accessibility & contrast

On white

3.00

#559CCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

7.00

#559CCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559CCB

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CCB	#FFFFFF	#000000	##000000
##559CCB	1.00	3.00	7.00	7.00
#FFFFFF	3.00	1.00	21.00	21.00
#000000	7.00	21.00	1.00	1.00
##000000	7.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879CCD

Deuteranopia (green-blind)

#7790CA

Tritanopia (blue-blind)

#00A8AC

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #559ccb;
/* rgb */ color: rgb(85, 156, 203);
/* oklch */ color: oklch(66.6% 0.100 239.6);

Tailwind

colors: {
  custom: {
    50: '#8eb9db',
    500: '#559ccb',
    950: '#000000',
  },
}

SCSS

$custom: #559ccb;
$custom-light: #8eb9db;
$custom-dark: #000000;

JSON

{
  "hex": "#559ccb",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 203
  },
  "hsl": {
    "h": 203.898,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.6657,
    "c": 0.10015,
    "h": 239.6
  },
  "luminance": 0.3002
}

Semantic roles & 50–950 ramp

primary

#559CCB

secondary

#D6B9A6

accent

#854BDD

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559CCB

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

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