#558CB7#558CB7

#558CB7 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 62.0% C 0.088 H 243.4°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#558CB7
RGB	rgb(85, 140, 183)
HSL	hsl(206, 40%, 53%)
HSV	hsv(206, 54%, 72%)
CMYK	cmyk(53.6%, 23.5%, 0%, 28.2%)
CIE-LAB	lab(56.19, -5.73, -28.06)
CIE-LCH	lch(56.19, 28.64, 258.46°)
OKLab	oklab(61.97% -0.0392 -0.0784)
OKLCH	oklch(61.97% 0.088 243.4)
XYZ	xyz(21.6686, 24.1046, 48.3013)
Luminance	0.2411 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CB7 #B78055

analogous

#55B7B1 #558CB7 #555BB7

triadic

#558CB7 #B7558C #8CB755

tetradic

#558CB7 #B155B7 #B78055 #5BB755

square

#558CB7 #B155B7 #B78055 #5BB755

split-complementary

#558CB7 #B7555B #B7B155

monochromatic

#2B4C66 #3E6D91 #558CB7 #80A9C9 #ABC6DB

Accessibility & contrast

On white

3.61

#558CB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#558CB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CB7

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CB7	#FFFFFF	#000000	##000000
##558CB7	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798CB9

Deuteranopia (green-blind)

#6C82B6

Tritanopia (blue-blind)

#18969B

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #558cb7;
/* rgb */ color: rgb(85, 140, 183);
/* oklch */ color: oklch(62.0% 0.088 243.4);

Tailwind

colors: {
  custom: {
    50: '#8badcc',
    500: '#558cb7',
    950: '#000000',
  },
}

SCSS

$custom: #558cb7;
$custom-light: #8badcc;
$custom-dark: #000000;

JSON

{
  "hex": "#558cb7",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 183
  },
  "hsl": {
    "h": 206.327,
    "s": 40.496,
    "l": 52.549
  },
  "oklch": {
    "l": 0.61965,
    "c": 0.08768,
    "h": 243.4
  },
  "luminance": 0.24106
}

Semantic roles & 50–950 ramp

primary

#558CB7

secondary

#C9B19F

accent

#8C57D0

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558CB7

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

Preview Lab → · Contrast checker → · Palette generator →