#558CB2#558CB2

#558CB2 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.7% C 0.082 H 240.1°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#558CB2
RGB	rgb(85, 140, 178)
HSL	hsl(205, 38%, 52%)
HSV	hsv(205, 52%, 70%)
CMYK	cmyk(52.2%, 21.3%, 0%, 30.2%)
CIE-LAB	lab(55.99, -7.27, -25.53)
CIE-LCH	lch(55.99, 26.54, 254.11°)
OKLab	oklab(61.74% -0.0409 -0.0712)
OKLCH	oklch(61.74% 0.082 240.1)
XYZ	xyz(21.1574, 23.9001, 45.6091)
Luminance	0.2390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CB2 #B27B55

analogous

#55B2AA #558CB2 #555EB2

triadic

#558CB2 #B2558C #8CB255

tetradic

#558CB2 #AA55B2 #B27B55 #5EB255

square

#558CB2 #AA55B2 #B27B55 #5EB255

split-complementary

#558CB2 #B2555E #B2AA55

monochromatic

#2C4B61 #3F6C8B #558CB2 #7FA8C5 #A9C5D8

Accessibility & contrast

On white

3.63

#558CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#558CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CB2

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CB2	#FFFFFF	#000000	##000000
##558CB2	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB4

Deuteranopia (green-blind)

#6F82B1

Tritanopia (blue-blind)

#209599

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #558cb2;
/* rgb */ color: rgb(85, 140, 178);
/* oklch */ color: oklch(61.7% 0.082 240.1);

Tailwind

colors: {
  custom: {
    50: '#8badc9',
    500: '#558cb2',
    950: '#000000',
  },
}

SCSS

$custom: #558cb2;
$custom-light: #8badc9;
$custom-dark: #000000;

JSON

{
  "hex": "#558cb2",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 178
  },
  "hsl": {
    "h": 204.516,
    "s": 37.652,
    "l": 51.569
  },
  "oklch": {
    "l": 0.61736,
    "c": 0.0821,
    "h": 240.1
  },
  "luminance": 0.23902
}

Semantic roles & 50–950 ramp

primary

#558CB2

secondary

#C6AE9D

accent

#895ACE

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558CB2

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

Preview Lab → · Contrast checker → · Palette generator →