#559EB0#559EB0

#559EB0 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 65.9% C 0.078 H 215.7°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#559EB0
RGB	rgb(85, 158, 176)
HSL	hsl(192, 37%, 51%)
HSV	hsv(192, 52%, 69%)
CMYK	cmyk(51.7%, 10.2%, 0%, 31%)
CIE-LAB	lab(61.24, -17.73, -16.37)
CIE-LCH	lch(61.24, 24.13, 222.71°)
OKLab	oklab(65.89% -0.0629 -0.0453)
OKLCH	oklch(65.89% 0.078 215.7)
XYZ	xyz(23.8066, 29.5175, 45.5088)
Luminance	0.2952 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559EB0 #B06755

analogous

#55B094 #559EB0 #5570B0

triadic

#559EB0 #B0559E #9EB055

tetradic

#559EB0 #9455B0 #B06755 #70B055

square

#559EB0 #9455B0 #B06755 #70B055

split-complementary

#559EB0 #B05570 #B09455

monochromatic

#2C555F #3F7A88 #559EB0 #7FB6C3 #A9CED7

Accessibility & contrast

On white

3.04

#559EB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#559EB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559EB0

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559EB0	#FFFFFF	#000000	##000000
##559EB0	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#919AB1

Deuteranopia (green-blind)

#838FB0

Tritanopia (blue-blind)

#1AA5A4

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #559eb0;
/* rgb */ color: rgb(85, 158, 176);
/* oklch */ color: oklch(65.9% 0.078 215.7);

Tailwind

colors: {
  custom: {
    50: '#8cbac7',
    500: '#559eb0',
    950: '#000000',
  },
}

SCSS

$custom: #559eb0;
$custom-light: #8cbac7;
$custom-dark: #000000;

JSON

{
  "hex": "#559eb0",
  "rgb": {
    "r": 85,
    "g": 158,
    "b": 176
  },
  "hsl": {
    "h": 191.868,
    "s": 36.546,
    "l": 51.176
  },
  "oklch": {
    "l": 0.65887,
    "c": 0.07752,
    "h": 215.7
  },
  "luminance": 0.2952
}

Semantic roles & 50–950 ramp

primary

#559EB0

secondary

#C5A49C

accent

#725BCD

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #559EB0

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

Preview Lab → · Contrast checker → · Palette generator →