#558DB3#558DB3

#558DB3 is a light, moderate cyan. Relative luminance 0.242; OKLCH L 62.0% C 0.083 H 239.7°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#558DB3
RGB	rgb(85, 141, 179)
HSL	hsl(204, 38%, 52%)
HSV	hsv(204, 53%, 70%)
CMYK	cmyk(52.5%, 21.2%, 0%, 29.8%)
CIE-LAB	lab(56.32, -7.53, -25.58)
CIE-LCH	lch(56.32, 26.67, 253.60°)
OKLab	oklab(62.01% -0.0418 -0.0713)
OKLCH	oklch(62.01% 0.083 239.7)
XYZ	xyz(21.4049, 24.2340, 46.1887)
Luminance	0.2424 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DB3 #B37B55

analogous

#55B3AA #558DB3 #555EB3

triadic

#558DB3 #B3558D #8DB355

tetradic

#558DB3 #AA55B3 #B37B55 #5EB355

square

#558DB3 #AA55B3 #B37B55 #5EB355

split-complementary

#558DB3 #B3555E #B3AA55

monochromatic

#2C4C62 #3F6D8C #558DB3 #7FA9C6 #AAC6D9

Accessibility & contrast

On white

3.59

#558DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#558DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DB3

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DB3	#FFFFFF	#000000	##000000
##558DB3	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8DB5

Deuteranopia (green-blind)

#6F83B2

Tritanopia (blue-blind)

#1E979A

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #558db3;
/* rgb */ color: rgb(85, 141, 179);
/* oklch */ color: oklch(62.0% 0.083 239.7);

Tailwind

colors: {
  custom: {
    50: '#8baeca',
    500: '#558db3',
    950: '#000000',
  },
}

SCSS

$custom: #558db3;
$custom-light: #8baeca;
$custom-dark: #000000;

JSON

{
  "hex": "#558db3",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 179
  },
  "hsl": {
    "h": 204.255,
    "s": 38.211,
    "l": 51.765
  },
  "oklch": {
    "l": 0.62013,
    "c": 0.08266,
    "h": 239.7
  },
  "luminance": 0.24236
}

Semantic roles & 50–950 ramp

primary

#558DB3

secondary

#C7AE9D

accent

#895ACE

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558DB3

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

Preview Lab → · Contrast checker → · Palette generator →