#558CCC#558CCC

#558CCC is a light, moderate cyan. Relative luminance 0.250; OKLCH L 63.0% C 0.113 H 253.3°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#558CCC
RGB	rgb(85, 140, 204)
HSL	hsl(212, 54%, 57%)
HSV	hsv(212, 58%, 80%)
CMYK	cmyk(58.3%, 31.4%, 0%, 20%)
CIE-LAB	lab(57.12, 0.95, -38.52)
CIE-LCH	lch(57.12, 38.53, 271.41°)
OKLab	oklab(63% -0.0327 -0.1086)
OKLCH	oklch(63% 0.113 253.3)
XYZ	xyz(24.0196, 25.0450, 60.6834)
Luminance	0.2505 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CCC #CC9555

analogous

#55C8CC #558CCC #5A55CC

triadic

#558CCC #CC558C #8CCC55

tetradic

#558CCC #CC55C8 #CC9555 #55CC5A

square

#558CCC #CC55C8 #CC9555 #55CC5A

split-complementary

#558CCC #CC5A55 #C8CC55

monochromatic

#265080 #356DAF #558CCC #84ACDA #B3CCE8

Accessibility & contrast

On white

3.49

#558CCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#558CCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CCC

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CCC	#FFFFFF	#000000	##000000
##558CCC	1.00	3.49	6.01	6.01
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718FCF

Deuteranopia (green-blind)

#6284CB

Tritanopia (blue-blind)

#009BA3

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #558ccc;
/* rgb */ color: rgb(85, 140, 204);
/* oklch */ color: oklch(63.0% 0.113 253.3);

Tailwind

colors: {
  custom: {
    50: '#8eaddc',
    500: '#558ccc',
    950: '#000000',
  },
}

SCSS

$custom: #558ccc;
$custom-light: #8eaddc;
$custom-dark: #000000;

JSON

{
  "hex": "#558ccc",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 204
  },
  "hsl": {
    "h": 212.269,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.63,
    "c": 0.11345,
    "h": 253.3
  },
  "luminance": 0.25047
}

Semantic roles & 50–950 ramp

primary

#558CCC

secondary

#D7C0A6

accent

#994BDD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #558CCC

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

Preview Lab → · Contrast checker → · Palette generator →