#558DB4#558DB4

#558DB4 is a light, moderate cyan. Relative luminance 0.243; OKLCH L 62.1% C 0.084 H 240.4°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#558DB4
RGB	rgb(85, 141, 180)
HSL	hsl(205, 39%, 52%)
HSV	hsv(205, 53%, 71%)
CMYK	cmyk(52.8%, 21.7%, 0%, 29.4%)
CIE-LAB	lab(56.36, -7.22, -26.09)
CIE-LCH	lch(56.36, 27.07, 254.53°)
OKLab	oklab(62.06% -0.0414 -0.0728)
OKLCH	oklch(62.06% 0.084 240.4)
XYZ	xyz(21.5064, 24.2746, 46.7233)
Luminance	0.2428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DB4 #B47C55

analogous

#55B4AC #558DB4 #555DB4

triadic

#558DB4 #B4558D #8DB455

tetradic

#558DB4 #AC55B4 #B47C55 #5DB455

square

#558DB4 #AC55B4 #B47C55 #5DB455

split-complementary

#558DB4 #B4555D #B4AC55

monochromatic

#2C4C63 #3E6D8D #558DB4 #7FA9C7 #AAC6D9

Accessibility & contrast

On white

3.59

#558DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#558DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DB4

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DB4	#FFFFFF	#000000	##000000
##558DB4	1.00	3.59	5.86	5.86
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8DB6

Deuteranopia (green-blind)

#6F83B3

Tritanopia (blue-blind)

#1D979A

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #558db4;
/* rgb */ color: rgb(85, 141, 180);
/* oklch */ color: oklch(62.1% 0.084 240.4);

Tailwind

colors: {
  custom: {
    50: '#8baeca',
    500: '#558db4',
    950: '#000000',
  },
}

SCSS

$custom: #558db4;
$custom-light: #8baeca;
$custom-dark: #000000;

JSON

{
  "hex": "#558db4",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 180
  },
  "hsl": {
    "h": 204.632,
    "s": 38.776,
    "l": 51.961
  },
  "oklch": {
    "l": 0.62058,
    "c": 0.08374,
    "h": 240.4
  },
  "luminance": 0.24276
}

Semantic roles & 50–950 ramp

primary

#558DB4

secondary

#C7AF9E

accent

#8959CF

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558DB4

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

Preview Lab → · Contrast checker → · Palette generator →