#558E9C#558E9C

#558E9C is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.3% C 0.063 H 215.2°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#558E9C
RGB	rgb(85, 142, 156)
HSL	hsl(192, 29%, 47%)
HSV	hsv(192, 46%, 61%)
CMYK	cmyk(45.5%, 9%, 0%, 38.8%)
CIE-LAB	lab(55.76, -14.84, -13.27)
CIE-LCH	lch(55.76, 19.90, 221.80°)
OKLab	oklab(61.29% -0.0518 -0.0365)
OKLCH	oklch(61.29% 0.063 215.2)
XYZ	xyz(19.4179, 23.6761, 34.9928)
Luminance	0.2368 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558E9C #9C6355

analogous

#559C87 #558E9C #556B9C

triadic

#558E9C #9C558E #8E9C55

tetradic

#558E9C #87559C #9C6355 #6B9C55

square

#558E9C #87559C #9C6355 #6B9C55

split-complementary

#558E9C #9C556B #9C8755

monochromatic

#2A464D #3F6A74 #558E9C #78AAB6 #A0C3CB

Accessibility & contrast

On white

3.66

#558E9C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#558E9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558E9C

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558E9C	#FFFFFF	#000000	##000000
##558E9C	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#848A9D

Deuteranopia (green-blind)

#79829C

Tritanopia (blue-blind)

#349392

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #558e9c;
/* rgb */ color: rgb(85, 142, 156);
/* oklch */ color: oklch(61.3% 0.063 215.2);

Tailwind

colors: {
  custom: {
    50: '#89afb9',
    500: '#558e9c',
    950: '#000000',
  },
}

SCSS

$custom: #558e9c;
$custom-light: #89afb9;
$custom-dark: #000000;

JSON

{
  "hex": "#558e9c",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 156
  },
  "hsl": {
    "h": 191.831,
    "s": 29.461,
    "l": 47.255
  },
  "oklch": {
    "l": 0.61285,
    "c": 0.06339,
    "h": 215.2
  },
  "luminance": 0.23678
}

Semantic roles & 50–950 ramp

primary

#558E9C

secondary

#B99B94

accent

#7662C6

background

#F8FAFB

surface

#F0F4F6

border

#CBCED0

text

#0C1011

muted

#7D7F80

Preview Lab

Preview with #558E9C

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

Preview Lab → · Contrast checker → · Palette generator →