#558FB2#558FB2

#558FB2 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.4% C 0.081 H 236.5°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#558FB2
RGB	rgb(85, 143, 178)
HSL	hsl(203, 38%, 52%)
HSV	hsv(203, 52%, 70%)
CMYK	cmyk(52.2%, 19.7%, 0%, 30.2%)
CIE-LAB	lab(56.87, -8.96, -24.17)
CIE-LCH	lch(56.87, 25.78, 249.66°)
OKLab	oklab(62.43% -0.0445 -0.0673)
OKLCH	oklch(62.43% 0.081 236.5)
XYZ	xyz(21.6017, 24.7888, 45.7572)
Luminance	0.2479 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FB2 #B27855

analogous

#55B2A7 #558FB2 #5561B2

triadic

#558FB2 #B2558F #8FB255

tetradic

#558FB2 #A755B2 #B27855 #61B255

square

#558FB2 #A755B2 #B27855 #61B255

split-complementary

#558FB2 #B25561 #B2A755

monochromatic

#2C4D61 #3F6E8B #558FB2 #7FABC5 #A9C7D8

Accessibility & contrast

On white

3.52

#558FB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#558FB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FB2

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FB2	#FFFFFF	#000000	##000000
##558FB2	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8EB4

Deuteranopia (green-blind)

#7284B1

Tritanopia (blue-blind)

#1F989B

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #558fb2;
/* rgb */ color: rgb(85, 143, 178);
/* oklch */ color: oklch(62.4% 0.081 236.5);

Tailwind

colors: {
  custom: {
    50: '#8bafc9',
    500: '#558fb2',
    950: '#000000',
  },
}

SCSS

$custom: #558fb2;
$custom-light: #8bafc9;
$custom-dark: #000000;

JSON

{
  "hex": "#558fb2",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 178
  },
  "hsl": {
    "h": 202.581,
    "s": 37.652,
    "l": 51.569
  },
  "oklch": {
    "l": 0.62434,
    "c": 0.08067,
    "h": 236.5
  },
  "luminance": 0.24791
}

Semantic roles & 50–950 ramp

primary

#558FB2

secondary

#C6AC9D

accent

#865ACE

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558FB2

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

Preview Lab → · Contrast checker → · Palette generator →