#559BD4#559BD4

#559BD4 is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.8% C 0.111 H 245.1°. Best body text is #000000 at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#559BD4
RGB	rgb(85, 155, 212)
HSL	hsl(207, 60%, 58%)
HSV	hsv(207, 60%, 83%)
CMYK	cmyk(59.9%, 26.9%, 0%, 16.9%)
CIE-LAB	lab(61.76, -5.09, -35.74)
CIE-LCH	lch(61.76, 36.10, 261.89°)
OKLab	oklab(66.77% -0.0466 -0.1005)
OKLCH	oklch(66.77% 0.111 245.1)
XYZ	xyz(27.3469, 30.1249, 66.6481)
Luminance	0.3013 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BD4 #D48E55

analogous

#55D4CD #559BD4 #555BD4

triadic

#559BD4 #D4559B #9BD455

tetradic

#559BD4 #CD55D4 #D48E55 #5BD455

square

#559BD4 #CD55D4 #D48E55 #5BD455

split-complementary

#559BD4 #D4555B #D4CD55

monochromatic

#235D8B #307DBC #559BD4 #86B8E0 #B7D4ED

Accessibility & contrast

On white

2.99

#559BD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.03

#559BD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559BD4

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BD4	#FFFFFF	#000000	##000000
##559BD4	1.00	2.99	7.03	7.03
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.03	21.00	1.00	1.00
##000000	7.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829CD7

Deuteranopia (green-blind)

#7190D3

Tritanopia (blue-blind)

#00A9AF

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #559bd4;
/* rgb */ color: rgb(85, 155, 212);
/* oklch */ color: oklch(66.8% 0.111 245.1);

Tailwind

colors: {
  custom: {
    50: '#8fb8e1',
    500: '#559bd4',
    950: '#000000',
  },
}

SCSS

$custom: #559bd4;
$custom-light: #8fb8e1;
$custom-dark: #000000;

JSON

{
  "hex": "#559bd4",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 212
  },
  "hsl": {
    "h": 206.929,
    "s": 59.624,
    "l": 58.235
  },
  "oklch": {
    "l": 0.66768,
    "c": 0.11076,
    "h": 245.1
  },
  "luminance": 0.30127
}

Semantic roles & 50–950 ramp

primary

#559BD4

secondary

#DCC0A9

accent

#8C45E3

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559BD4

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

Preview Lab → · Contrast checker → · Palette generator →