#558DB8#558DB8

#558DB8 is a light, moderate cyan. Relative luminance 0.244; OKLCH L 62.2% C 0.088 H 243.0°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#558DB8
RGB	rgb(85, 141, 184)
HSL	hsl(206, 41%, 53%)
HSV	hsv(206, 54%, 72%)
CMYK	cmyk(53.8%, 23.4%, 0%, 27.8%)
CIE-LAB	lab(56.53, -5.99, -28.12)
CIE-LCH	lch(56.53, 28.75, 257.98°)
OKLab	oklab(62.24% -0.04 -0.0786)
OKLCH	oklch(62.24% 0.088 243)
XYZ	xyz(21.9198, 24.4399, 48.9004)
Luminance	0.2444 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DB8 #B88055

analogous

#55B8B2 #558DB8 #555BB8

triadic

#558DB8 #B8558D #8DB855

tetradic

#558DB8 #B255B8 #B88055 #5BB855

square

#558DB8 #B255B8 #B88055 #5BB855

split-complementary

#558DB8 #B8555B #B8B255

monochromatic

#2B4D67 #3D6E93 #558DB8 #80AACA #ABC7DC

Accessibility & contrast

On white

3.57

#558DB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#558DB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DB8

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DB8	#FFFFFF	#000000	##000000
##558DB8	1.00	3.57	5.89	5.89
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8DBA

Deuteranopia (green-blind)

#6D83B7

Tritanopia (blue-blind)

#16979C

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #558db8;
/* rgb */ color: rgb(85, 141, 184);
/* oklch */ color: oklch(62.2% 0.088 243.0);

Tailwind

colors: {
  custom: {
    50: '#8caecd',
    500: '#558db8',
    950: '#000000',
  },
}

SCSS

$custom: #558db8;
$custom-light: #8caecd;
$custom-dark: #000000;

JSON

{
  "hex": "#558db8",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 184
  },
  "hsl": {
    "h": 206.061,
    "s": 41.079,
    "l": 52.745
  },
  "oklch": {
    "l": 0.62242,
    "c": 0.08819,
    "h": 243
  },
  "luminance": 0.24442
}

Semantic roles & 50–950 ramp

primary

#558DB8

secondary

#CAB29F

accent

#8C57D1

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558DB8

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

Preview Lab → · Contrast checker → · Palette generator →