#558FB0#558FB0

#558FB0 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.3% C 0.079 H 234.9°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#558FB0
RGB	rgb(85, 143, 176)
HSL	hsl(202, 37%, 51%)
HSV	hsv(202, 52%, 69%)
CMYK	cmyk(51.7%, 18.7%, 0%, 31%)
CIE-LAB	lab(56.79, -9.56, -23.15)
CIE-LCH	lch(56.79, 25.05, 247.55°)
OKLab	oklab(62.35% -0.0452 -0.0644)
OKLCH	oklch(62.35% 0.079 234.9)
XYZ	xyz(21.4024, 24.7091, 44.7074)
Luminance	0.2471 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FB0 #B07655

analogous

#55B0A3 #558FB0 #5561B0

triadic

#558FB0 #B0558F #8FB055

tetradic

#558FB0 #A355B0 #B07655 #61B055

square

#558FB0 #A355B0 #B07655 #61B055

split-complementary

#558FB0 #B05561 #B0A355

monochromatic

#2C4C5F #3F6E88 #558FB0 #7FABC3 #A9C6D7

Accessibility & contrast

On white

3.53

#558FB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#558FB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FB0

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FB0	#FFFFFF	#000000	##000000
##558FB0	1.00	3.53	5.94	5.94
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8EB2

Deuteranopia (green-blind)

#7384AF

Tritanopia (blue-blind)

#21989A

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #558fb0;
/* rgb */ color: rgb(85, 143, 176);
/* oklch */ color: oklch(62.3% 0.079 234.9);

Tailwind

colors: {
  custom: {
    50: '#8bafc7',
    500: '#558fb0',
    950: '#000000',
  },
}

SCSS

$custom: #558fb0;
$custom-light: #8bafc7;
$custom-dark: #000000;

JSON

{
  "hex": "#558fb0",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 176
  },
  "hsl": {
    "h": 201.758,
    "s": 36.546,
    "l": 51.176
  },
  "oklch": {
    "l": 0.62346,
    "c": 0.07868,
    "h": 234.9
  },
  "luminance": 0.24711
}

Semantic roles & 50–950 ramp

primary

#558FB0

secondary

#C5AB9C

accent

#845BCD

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558FB0

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

Preview Lab → · Contrast checker → · Palette generator →