#558CB6#558CB6

#558CB6 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.9% C 0.087 H 242.8°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#558CB6
RGB	rgb(85, 140, 182)
HSL	hsl(206, 40%, 52%)
HSV	hsv(206, 53%, 71%)
CMYK	cmyk(53.3%, 23.1%, 0%, 28.6%)
CIE-LAB	lab(56.15, -6.04, -27.56)
CIE-LCH	lch(56.15, 28.21, 257.64°)
OKLab	oklab(61.92% -0.0395 -0.077)
OKLCH	oklch(61.92% 0.087 242.8)
XYZ	xyz(21.5649, 24.0631, 47.7551)
Luminance	0.2407 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CB6 #B67F55

analogous

#55B6AF #558CB6 #555CB6

triadic

#558CB6 #B6558C #8CB655

tetradic

#558CB6 #AF55B6 #B67F55 #5CB655

square

#558CB6 #AF55B6 #B67F55 #5CB655

split-complementary

#558CB6 #B6555C #B6AF55

monochromatic

#2B4C65 #3E6C90 #558CB6 #80A9C8 #ABC6DB

Accessibility & contrast

On white

3.61

#558CB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#558CB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CB6

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CB6	#FFFFFF	#000000	##000000
##558CB6	1.00	3.61	5.81	5.81
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8CB8

Deuteranopia (green-blind)

#6D82B5

Tritanopia (blue-blind)

#1A969A

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #558cb6;
/* rgb */ color: rgb(85, 140, 182);
/* oklch */ color: oklch(61.9% 0.087 242.8);

Tailwind

colors: {
  custom: {
    50: '#8badcc',
    500: '#558cb6',
    950: '#000000',
  },
}

SCSS

$custom: #558cb6;
$custom-light: #8badcc;
$custom-dark: #000000;

JSON

{
  "hex": "#558cb6",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 182
  },
  "hsl": {
    "h": 205.979,
    "s": 39.918,
    "l": 52.353
  },
  "oklch": {
    "l": 0.61919,
    "c": 0.08654,
    "h": 242.8
  },
  "luminance": 0.24065
}

Semantic roles & 50–950 ramp

primary

#558CB6

secondary

#C9B19E

accent

#8C58D0

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558CB6

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

Preview Lab → · Contrast checker → · Palette generator →