#559FDB#559FDB

#559FDB is a light, moderate cyan. Relative luminance 0.318; OKLCH L 68.0% C 0.116 H 245.2°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#559FDB
RGB	rgb(85, 159, 219)
HSL	hsl(207, 65%, 60%)
HSV	hsv(207, 61%, 86%)
CMYK	cmyk(61.2%, 27.4%, 0%, 14.1%)
CIE-LAB	lab(63.21, -5.10, -37.37)
CIE-LCH	lch(63.21, 37.72, 262.23°)
OKLab	oklab(68.01% -0.0487 -0.1052)
OKLCH	oklch(68.01% 0.116 245.2)
XYZ	xyz(28.9259, 31.8393, 71.6253)
Luminance	0.3184 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FDB #DB9155

analogous

#55DBD4 #559FDB #555CDB

triadic

#559FDB #DB559F #9FDB55

tetradic

#559FDB #D455DB #DB9155 #5CDB55

square

#559FDB #D455DB #DB9155 #5CDB55

split-complementary

#559FDB #DB555C #DBD455

monochromatic

#206196 #2A82C8 #559FDB #88BCE6 #BAD8F0

Accessibility & contrast

On white

2.85

#559FDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#559FDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FDB

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FDB	#FFFFFF	#000000	##000000
##559FDB	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A0DE

Deuteranopia (green-blind)

#7393DA

Tritanopia (blue-blind)

#00ADB4

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #559fdb;
/* rgb */ color: rgb(85, 159, 219);
/* oklch */ color: oklch(68.0% 0.116 245.2);

Tailwind

colors: {
  custom: {
    50: '#90bbe6',
    500: '#559fdb',
    950: '#000000',
  },
}

SCSS

$custom: #559fdb;
$custom-light: #90bbe6;
$custom-dark: #000000;

JSON

{
  "hex": "#559fdb",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 219
  },
  "hsl": {
    "h": 206.866,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.68011,
    "c": 0.11589,
    "h": 245.2
  },
  "luminance": 0.31842
}

Semantic roles & 50–950 ramp

primary

#559FDB

secondary

#E0C3AC

accent

#8B40E8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559FDB

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

Preview Lab → · Contrast checker → · Palette generator →