#558CAF#558CAF

#558CAF is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.6% C 0.079 H 237.8°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#558CAF
RGB	rgb(85, 140, 175)
HSL	hsl(203, 36%, 51%)
HSV	hsv(203, 51%, 69%)
CMYK	cmyk(51.4%, 20%, 0%, 31.4%)
CIE-LAB	lab(55.87, -8.18, -24.00)
CIE-LCH	lch(55.87, 25.35, 251.18°)
OKLab	oklab(61.6% -0.042 -0.0668)
OKLCH	oklch(61.6% 0.079 237.8)
XYZ	xyz(20.8595, 23.7809, 44.0401)
Luminance	0.2378 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CAF #AF7855

analogous

#55AFA5 #558CAF #555FAF

triadic

#558CAF #AF558C #8CAF55

tetradic

#558CAF #A555AF #AF7855 #5FAF55

square

#558CAF #A555AF #AF7855 #5FAF55

split-complementary

#558CAF #AF555F #AFA555

monochromatic

#2C4A5E #406B87 #558CAF #7FA8C3 #A8C4D6

Accessibility & contrast

On white

3.65

#558CAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#558CAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CAF

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CAF	#FFFFFF	#000000	##000000
##558CAF	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8BB1

Deuteranopia (green-blind)

#7082AE

Tritanopia (blue-blind)

#249598

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #558caf;
/* rgb */ color: rgb(85, 140, 175);
/* oklch */ color: oklch(61.6% 0.079 237.8);

Tailwind

colors: {
  custom: {
    50: '#8badc7',
    500: '#558caf',
    950: '#000000',
  },
}

SCSS

$custom: #558caf;
$custom-light: #8badc7;
$custom-dark: #000000;

JSON

{
  "hex": "#558caf",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 175
  },
  "hsl": {
    "h": 203.333,
    "s": 36,
    "l": 50.98
  },
  "oklch": {
    "l": 0.61601,
    "c": 0.0789,
    "h": 237.8
  },
  "luminance": 0.23783
}

Semantic roles & 50–950 ramp

primary

#558CAF

secondary

#C4AB9C

accent

#875CCC

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558CAF

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

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