#558DB0#558DB0

#558DB0 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.9% C 0.079 H 237.4°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#558DB0
RGB	rgb(85, 141, 176)
HSL	hsl(203, 37%, 51%)
HSV	hsv(203, 52%, 69%)
CMYK	cmyk(51.7%, 19.9%, 0%, 31%)
CIE-LAB	lab(56.20, -8.44, -24.06)
CIE-LCH	lch(56.20, 25.49, 250.67°)
OKLab	oklab(61.88% -0.0428 -0.067)
OKLCH	oklch(61.88% 0.079 237.4)
XYZ	xyz(21.1048, 24.1139, 44.6082)
Luminance	0.2412 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DB0 #B07855

analogous

#55B0A5 #558DB0 #555FB0

triadic

#558DB0 #B0558D #8DB055

tetradic

#558DB0 #A555B0 #B07855 #5FB055

square

#558DB0 #A555B0 #B07855 #5FB055

split-complementary

#558DB0 #B0555F #B0A555

monochromatic

#2C4B5F #3F6C88 #558DB0 #7FA9C3 #A9C5D7

Accessibility & contrast

On white

3.61

#558DB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#558DB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DB0

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DB0	#FFFFFF	#000000	##000000
##558DB0	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)

#7D8CB2

Deuteranopia (green-blind)

#7183AF

Tritanopia (blue-blind)

#229699

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #558db0;
/* rgb */ color: rgb(85, 141, 176);
/* oklch */ color: oklch(61.9% 0.079 237.4);

Tailwind

colors: {
  custom: {
    50: '#8baec7',
    500: '#558db0',
    950: '#000000',
  },
}

SCSS

$custom: #558db0;
$custom-light: #8baec7;
$custom-dark: #000000;

JSON

{
  "hex": "#558db0",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 176
  },
  "hsl": {
    "h": 203.077,
    "s": 36.546,
    "l": 51.176
  },
  "oklch": {
    "l": 0.61879,
    "c": 0.07949,
    "h": 237.4
  },
  "luminance": 0.24116
}

Semantic roles & 50–950 ramp

primary

#558DB0

secondary

#C5AC9C

accent

#875BCD

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558DB0

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

Preview Lab → · Contrast checker → · Palette generator →