#559DDB#559DDB

#559DDB is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.6% C 0.117 H 246.6°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#559DDB
RGB	rgb(85, 157, 219)
HSL	hsl(208, 65%, 60%)
HSV	hsv(208, 61%, 86%)
CMYK	cmyk(61.2%, 28.3%, 0%, 14.1%)
CIE-LAB	lab(62.64, -3.97, -38.26)
CIE-LCH	lch(62.64, 38.47, 264.07°)
OKLab	oklab(67.56% -0.0466 -0.1078)
OKLCH	oklch(67.56% 0.117 246.6)
XYZ	xyz(28.5847, 31.1570, 71.5116)
Luminance	0.3116 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DDB #DB9355

analogous

#55DBD6 #559DDB #555ADB

triadic

#559DDB #DB559D #9DDB55

tetradic

#559DDB #D655DB #DB9355 #5ADB55

square

#559DDB #D655DB #DB9355 #5ADB55

split-complementary

#559DDB #DB555A #DBD655

monochromatic

#205F96 #2A7FC8 #559DDB #88BAE6 #BAD7F0

Accessibility & contrast

On white

2.90

#559DDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#559DDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DDB

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DDB	#FFFFFF	#000000	##000000
##559DDB	1.00	2.90	7.23	7.23
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829FDE

Deuteranopia (green-blind)

#7092DA

Tritanopia (blue-blind)

#00ACB3

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #559ddb;
/* rgb */ color: rgb(85, 157, 219);
/* oklch */ color: oklch(67.6% 0.117 246.6);

Tailwind

colors: {
  custom: {
    50: '#90b9e6',
    500: '#559ddb',
    950: '#000000',
  },
}

SCSS

$custom: #559ddb;
$custom-light: #90b9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#559ddb",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 219
  },
  "hsl": {
    "h": 207.761,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.67562,
    "c": 0.1174,
    "h": 246.6
  },
  "luminance": 0.3116
}

Semantic roles & 50–950 ramp

primary

#559DDB

secondary

#E0C4AC

accent

#8E40E8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559DDB

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

Preview Lab → · Contrast checker → · Palette generator →