#558EB4#558EB4

#558EB4 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.3% C 0.083 H 239.2°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#558EB4
RGB	rgb(85, 142, 180)
HSL	hsl(204, 39%, 52%)
HSV	hsv(204, 53%, 71%)
CMYK	cmyk(52.8%, 21.1%, 0%, 29.4%)
CIE-LAB	lab(56.65, -7.79, -25.64)
CIE-LCH	lch(56.65, 26.80, 253.10°)
OKLab	oklab(62.29% -0.0426 -0.0715)
OKLCH	oklch(62.29% 0.083 239.2)
XYZ	xyz(21.6545, 24.5708, 46.7727)
Luminance	0.2457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558EB4 #B47B55

analogous

#55B4AB #558EB4 #555FB4

triadic

#558EB4 #B4558E #8EB455

tetradic

#558EB4 #AB55B4 #B47B55 #5FB455

square

#558EB4 #AB55B4 #B47B55 #5FB455

split-complementary

#558EB4 #B4555F #B4AB55

monochromatic

#2C4D63 #3E6E8D #558EB4 #7FAAC7 #AAC6D9

Accessibility & contrast

On white

3.55

#558EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#558EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558EB4

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558EB4	#FFFFFF	#000000	##000000
##558EB4	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8DB6

Deuteranopia (green-blind)

#7084B3

Tritanopia (blue-blind)

#1C989B

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #558eb4;
/* rgb */ color: rgb(85, 142, 180);
/* oklch */ color: oklch(62.3% 0.083 239.2);

Tailwind

colors: {
  custom: {
    50: '#8bafca',
    500: '#558eb4',
    950: '#000000',
  },
}

SCSS

$custom: #558eb4;
$custom-light: #8bafca;
$custom-dark: #000000;

JSON

{
  "hex": "#558eb4",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 180
  },
  "hsl": {
    "h": 204,
    "s": 38.776,
    "l": 51.961
  },
  "oklch": {
    "l": 0.6229,
    "c": 0.08321,
    "h": 239.2
  },
  "luminance": 0.24573
}

Semantic roles & 50–950 ramp

primary

#558EB4

secondary

#C7AE9E

accent

#8859CF

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558EB4

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

Preview Lab → · Contrast checker → · Palette generator →