#558FB7#558FB7

#558FB7 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.7% C 0.086 H 240.2°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#558FB7
RGB	rgb(85, 143, 183)
HSL	hsl(204, 40%, 53%)
HSV	hsv(204, 54%, 72%)
CMYK	cmyk(53.6%, 21.9%, 0%, 28.2%)
CIE-LAB	lab(57.07, -7.43, -26.71)
CIE-LCH	lch(57.07, 27.72, 254.45°)
OKLab	oklab(62.66% -0.0427 -0.0745)
OKLCH	oklch(62.66% 0.086 240.2)
XYZ	xyz(22.1129, 24.9933, 48.4495)
Luminance	0.2500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FB7 #B77D55

analogous

#55B7AE #558FB7 #555EB7

triadic

#558FB7 #B7558F #8FB755

tetradic

#558FB7 #AE55B7 #B77D55 #5EB755

square

#558FB7 #AE55B7 #B77D55 #5EB755

split-complementary

#558FB7 #B7555E #B7AE55

monochromatic

#2B4E66 #3E6F91 #558FB7 #80ABC9 #ABC8DB

Accessibility & contrast

On white

3.50

#558FB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#558FB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FB7

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FB7	#FFFFFF	#000000	##000000
##558FB7	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8FB9

Deuteranopia (green-blind)

#7084B6

Tritanopia (blue-blind)

#17999C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #558fb7;
/* rgb */ color: rgb(85, 143, 183);
/* oklch */ color: oklch(62.7% 0.086 240.2);

Tailwind

colors: {
  custom: {
    50: '#8bafcc',
    500: '#558fb7',
    950: '#000000',
  },
}

SCSS

$custom: #558fb7;
$custom-light: #8bafcc;
$custom-dark: #000000;

JSON

{
  "hex": "#558fb7",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 183
  },
  "hsl": {
    "h": 204.49,
    "s": 40.496,
    "l": 52.549
  },
  "oklch": {
    "l": 0.62658,
    "c": 0.08591,
    "h": 240.2
  },
  "luminance": 0.24995
}

Semantic roles & 50–950 ramp

primary

#558FB7

secondary

#C9B09F

accent

#8957D0

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558FB7

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

Preview Lab → · Contrast checker → · Palette generator →