#558DB2#558DB2

#558DB2 is a mid, moderate cyan. Relative luminance 0.242; OKLCH L 62.0% C 0.082 H 238.9°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#558DB2
RGB	rgb(85, 141, 178)
HSL	hsl(204, 38%, 52%)
HSV	hsv(204, 52%, 70%)
CMYK	cmyk(52.2%, 20.8%, 0%, 30.2%)
CIE-LAB	lab(56.28, -7.83, -25.08)
CIE-LCH	lch(56.28, 26.27, 252.65°)
OKLab	oklab(61.97% -0.0421 -0.0699)
OKLCH	oklch(61.97% 0.082 238.9)
XYZ	xyz(21.3042, 24.1937, 45.6580)
Luminance	0.2419 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DB2 #B27A55

analogous

#55B2A9 #558DB2 #555FB2

triadic

#558DB2 #B2558D #8DB255

tetradic

#558DB2 #A955B2 #B27A55 #5FB255

square

#558DB2 #A955B2 #B27A55 #5FB255

split-complementary

#558DB2 #B2555F #B2A955

monochromatic

#2C4C61 #3F6D8B #558DB2 #7FA9C5 #A9C5D8

Accessibility & contrast

On white

3.60

#558DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#558DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DB2

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DB2	#FFFFFF	#000000	##000000
##558DB2	1.00	3.60	5.84	5.84
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB4

Deuteranopia (green-blind)

#7083B1

Tritanopia (blue-blind)

#1F9699

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #558db2;
/* rgb */ color: rgb(85, 141, 178);
/* oklch */ color: oklch(62.0% 0.082 238.9);

Tailwind

colors: {
  custom: {
    50: '#8baec9',
    500: '#558db2',
    950: '#000000',
  },
}

SCSS

$custom: #558db2;
$custom-light: #8baec9;
$custom-dark: #000000;

JSON

{
  "hex": "#558db2",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 178
  },
  "hsl": {
    "h": 203.871,
    "s": 37.652,
    "l": 51.569
  },
  "oklch": {
    "l": 0.61968,
    "c": 0.08159,
    "h": 238.9
  },
  "luminance": 0.24195
}

Semantic roles & 50–950 ramp

primary

#558DB2

secondary

#C6AD9D

accent

#885ACE

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #558DB2

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

Preview Lab → · Contrast checker → · Palette generator →