#559EB3#559EB3

#559EB3 is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.0% C 0.079 H 218.8°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#559EB3
RGB	rgb(85, 158, 179)
HSL	hsl(193, 38%, 52%)
HSV	hsv(193, 53%, 70%)
CMYK	cmyk(52.5%, 11.7%, 0%, 29.8%)
CIE-LAB	lab(61.34, -16.87, -17.90)
CIE-LCH	lch(61.34, 24.59, 226.70°)
OKLab	oklab(66.01% -0.0617 -0.0495)
OKLCH	oklch(66.01% 0.079 218.8)
XYZ	xyz(24.1067, 29.6376, 47.0893)
Luminance	0.2964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559EB3 #B36A55

analogous

#55B399 #559EB3 #556FB3

triadic

#559EB3 #B3559E #9EB355

tetradic

#559EB3 #9955B3 #B36A55 #6FB355

square

#559EB3 #9955B3 #B36A55 #6FB355

split-complementary

#559EB3 #B3556F #B39955

monochromatic

#2C5662 #3F7B8C #559EB3 #7FB6C6 #AACED9

Accessibility & contrast

On white

3.03

#559EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#559EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559EB3

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559EB3	#FFFFFF	#000000	##000000
##559EB3	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#919AB4

Deuteranopia (green-blind)

#828FB3

Tritanopia (blue-blind)

#14A5A5

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #559eb3;
/* rgb */ color: rgb(85, 158, 179);
/* oklch */ color: oklch(66.0% 0.079 218.8);

Tailwind

colors: {
  custom: {
    50: '#8cbac9',
    500: '#559eb3',
    950: '#000000',
  },
}

SCSS

$custom: #559eb3;
$custom-light: #8cbac9;
$custom-dark: #000000;

JSON

{
  "hex": "#559eb3",
  "rgb": {
    "r": 85,
    "g": 158,
    "b": 179
  },
  "hsl": {
    "h": 193.404,
    "s": 38.211,
    "l": 51.765
  },
  "oklch": {
    "l": 0.66005,
    "c": 0.07916,
    "h": 218.8
  },
  "luminance": 0.2964
}

Semantic roles & 50–950 ramp

primary

#559EB3

secondary

#C7A69D

accent

#745ACE

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1113

muted

#7D8082

Preview Lab

Preview with #559EB3

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

Preview Lab → · Contrast checker → · Palette generator →