#559BB0#559BB0

#559BB0 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.2% C 0.077 H 219.5°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#559BB0
RGB	rgb(85, 155, 176)
HSL	hsl(194, 37%, 51%)
HSV	hsv(194, 52%, 69%)
CMYK	cmyk(51.7%, 11.9%, 0%, 31%)
CIE-LAB	lab(60.34, -16.14, -17.72)
CIE-LCH	lch(60.34, 23.97, 227.68°)
OKLab	oklab(65.17% -0.0594 -0.0491)
OKLCH	oklch(65.17% 0.077 219.5)
XYZ	xyz(23.3011, 28.5066, 45.3403)
Luminance	0.2851 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BB0 #B06A55

analogous

#55B097 #559BB0 #556DB0

triadic

#559BB0 #B0559B #9BB055

tetradic

#559BB0 #9755B0 #B06A55 #6DB055

square

#559BB0 #9755B0 #B06A55 #6DB055

split-complementary

#559BB0 #B0556D #B09755

monochromatic

#2C535F #3F7888 #559BB0 #7FB4C3 #A9CCD7

Accessibility & contrast

On white

3.13

#559BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#559BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BB0

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BB0	#FFFFFF	#000000	##000000
##559BB0	1.00	3.13	6.70	6.70
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E97B1

Deuteranopia (green-blind)

#808DB0

Tritanopia (blue-blind)

#1BA2A2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #559bb0;
/* rgb */ color: rgb(85, 155, 176);
/* oklch */ color: oklch(65.2% 0.077 219.5);

Tailwind

colors: {
  custom: {
    50: '#8bb8c7',
    500: '#559bb0',
    950: '#000000',
  },
}

SCSS

$custom: #559bb0;
$custom-light: #8bb8c7;
$custom-dark: #000000;

JSON

{
  "hex": "#559bb0",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 176
  },
  "hsl": {
    "h": 193.846,
    "s": 36.546,
    "l": 51.176
  },
  "oklch": {
    "l": 0.65174,
    "c": 0.07705,
    "h": 219.5
  },
  "luminance": 0.28509
}

Semantic roles & 50–950 ramp

primary

#559BB0

secondary

#C5A69C

accent

#755BCD

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #559BB0

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

Preview Lab → · Contrast checker → · Palette generator →