#559FB7#559FB7

#559FB7 is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.4% C 0.082 H 221.4°. Best body text is #000000 at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#559FB7
RGB	rgb(85, 159, 183)
HSL	hsl(195, 40%, 53%)
HSV	hsv(195, 54%, 72%)
CMYK	cmyk(53.6%, 13.1%, 0%, 28.2%)
CIE-LAB	lab(61.78, -16.23, -19.48)
CIE-LCH	lch(61.78, 25.36, 230.21°)
OKLab	oklab(66.4% -0.0613 -0.054)
OKLCH	oklch(66.4% 0.082 221.4)
XYZ	xyz(24.6884, 30.1443, 49.3080)
Luminance	0.3015 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FB7 #B76D55

analogous

#55B79E #559FB7 #556EB7

triadic

#559FB7 #B7559F #9FB755

tetradic

#559FB7 #9E55B7 #B76D55 #6EB755

square

#559FB7 #9E55B7 #B76D55 #6EB755

split-complementary

#559FB7 #B7556E #B79E55

monochromatic

#2B5866 #3E7D91 #559FB7 #80B7C9 #ABD0DB

Accessibility & contrast

On white

2.99

#559FB7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.03

#559FB7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FB7

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FB7	#FFFFFF	#000000	##000000
##559FB7	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)

#919BB8

Deuteranopia (green-blind)

#8291B7

Tritanopia (blue-blind)

#09A7A7

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #559fb7;
/* rgb */ color: rgb(85, 159, 183);
/* oklch */ color: oklch(66.4% 0.082 221.4);

Tailwind

colors: {
  custom: {
    50: '#8cbbcc',
    500: '#559fb7',
    950: '#000000',
  },
}

SCSS

$custom: #559fb7;
$custom-light: #8cbbcc;
$custom-dark: #000000;

JSON

{
  "hex": "#559fb7",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 183
  },
  "hsl": {
    "h": 194.694,
    "s": 40.496,
    "l": 52.549
  },
  "oklch": {
    "l": 0.66402,
    "c": 0.08171,
    "h": 221.4
  },
  "luminance": 0.30146
}

Semantic roles & 50–950 ramp

primary

#559FB7

secondary

#C9A99F

accent

#7557D0

background

#F9FBFC

surface

#F1F6F8

border

#CBD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #559FB7

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

Preview Lab → · Contrast checker → · Palette generator →