#558FB8#558FB8

#558FB8 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.7% C 0.087 H 240.9°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#558FB8
RGB	rgb(85, 143, 184)
HSL	hsl(205, 41%, 53%)
HSV	hsv(205, 54%, 72%)
CMYK	cmyk(53.8%, 22.3%, 0%, 27.8%)
CIE-LAB	lab(57.11, -7.12, -27.21)
CIE-LCH	lch(57.11, 28.13, 255.33°)
OKLab	oklab(62.7% -0.0424 -0.076)
OKLCH	oklch(62.7% 0.087 240.9)
XYZ	xyz(22.2174, 25.0351, 48.9996)
Luminance	0.2504 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FB8 #B87E55

analogous

#55B8AF #558FB8 #555EB8

triadic

#558FB8 #B8558F #8FB855

tetradic

#558FB8 #AF55B8 #B87E55 #5EB855

square

#558FB8 #AF55B8 #B87E55 #5EB855

split-complementary

#558FB8 #B8555E #B8AF55

monochromatic

#2B4E67 #3D6F93 #558FB8 #80ABCA #ABC8DC

Accessibility & contrast

On white

3.50

#558FB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#558FB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FB8

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FB8	#FFFFFF	#000000	##000000
##558FB8	1.00	3.50	6.01	6.01
#FFFFFF	3.50	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)

#7D8FBA

Deuteranopia (green-blind)

#7085B7

Tritanopia (blue-blind)

#15999D

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #558fb8;
/* rgb */ color: rgb(85, 143, 184);
/* oklch */ color: oklch(62.7% 0.087 240.9);

Tailwind

colors: {
  custom: {
    50: '#8cafcd',
    500: '#558fb8',
    950: '#000000',
  },
}

SCSS

$custom: #558fb8;
$custom-light: #8cafcd;
$custom-dark: #000000;

JSON

{
  "hex": "#558fb8",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 184
  },
  "hsl": {
    "h": 204.848,
    "s": 41.079,
    "l": 52.745
  },
  "oklch": {
    "l": 0.62704,
    "c": 0.087,
    "h": 240.9
  },
  "luminance": 0.25037
}

Semantic roles & 50–950 ramp

primary

#558FB8

secondary

#CAB19F

accent

#8957D1

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558FB8

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

Preview Lab → · Contrast checker → · Palette generator →