#558EB2#558EB2

#558EB2 is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.2% C 0.081 H 237.7°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#558EB2
RGB	rgb(85, 142, 178)
HSL	hsl(203, 38%, 52%)
HSV	hsv(203, 52%, 70%)
CMYK	cmyk(52.2%, 20.2%, 0%, 30.2%)
CIE-LAB	lab(56.58, -8.40, -24.62)
CIE-LCH	lch(56.58, 26.02, 251.17°)
OKLab	oklab(62.2% -0.0433 -0.0686)
OKLCH	oklch(62.2% 0.081 237.7)
XYZ	xyz(21.4523, 24.4899, 45.7074)
Luminance	0.2449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558EB2 #B27955

analogous

#55B2A8 #558EB2 #5560B2

triadic

#558EB2 #B2558E #8EB255

tetradic

#558EB2 #A855B2 #B27955 #60B255

square

#558EB2 #A855B2 #B27955 #60B255

split-complementary

#558EB2 #B25560 #B2A855

monochromatic

#2C4C61 #3F6D8B #558EB2 #7FAAC5 #A9C6D8

Accessibility & contrast

On white

3.56

#558EB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#558EB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558EB2

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558EB2	#FFFFFF	#000000	##000000
##558EB2	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8DB4

Deuteranopia (green-blind)

#7183B1

Tritanopia (blue-blind)

#1F979A

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #558eb2;
/* rgb */ color: rgb(85, 142, 178);
/* oklch */ color: oklch(62.2% 0.081 237.7);

Tailwind

colors: {
  custom: {
    50: '#8bafc9',
    500: '#558eb2',
    950: '#000000',
  },
}

SCSS

$custom: #558eb2;
$custom-light: #8bafc9;
$custom-dark: #000000;

JSON

{
  "hex": "#558eb2",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 178
  },
  "hsl": {
    "h": 203.226,
    "s": 37.652,
    "l": 51.569
  },
  "oklch": {
    "l": 0.62201,
    "c": 0.08111,
    "h": 237.7
  },
  "luminance": 0.24492
}

Semantic roles & 50–950 ramp

primary

#558EB2

secondary

#C6AD9D

accent

#875ACE

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558EB2

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

Preview Lab → · Contrast checker → · Palette generator →