#558AAA#558AAA

#558AAA is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.9% C 0.075 H 236.3°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#558AAA
RGB	rgb(85, 138, 170)
HSL	hsl(203, 33%, 50%)
HSV	hsv(203, 50%, 67%)
CMYK	cmyk(50%, 18.8%, 0%, 33.3%)
CIE-LAB	lab(55.08, -8.56, -22.34)
CIE-LCH	lch(55.08, 23.93, 249.05°)
OKLab	oklab(60.91% -0.0414 -0.0621)
OKLCH	oklch(60.91% 0.075 236.3)
XYZ	xyz(20.0879, 23.0090, 41.4050)
Luminance	0.2301 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558AAA #AA7555

analogous

#55AA9F #558AAA #5560AA

triadic

#558AAA #AA558A #8AAA55

tetradic

#558AAA #9F55AA #AA7555 #60AA55

square

#558AAA #9F55AA #AA7555 #60AA55

split-complementary

#558AAA #AA5560 #AA9F55

monochromatic

#2C4858 #416981 #558AAA #7EA6BE #A7C2D3

Accessibility & contrast

On white

3.75

#558AAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#558AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558AAA

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558AAA	#FFFFFF	#000000	##000000
##558AAA	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B89AC

Deuteranopia (green-blind)

#6F80A9

Tritanopia (blue-blind)

#2A9294

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #558aaa;
/* rgb */ color: rgb(85, 138, 170);
/* oklch */ color: oklch(60.9% 0.075 236.3);

Tailwind

colors: {
  custom: {
    50: '#8aacc3',
    500: '#558aaa',
    950: '#000000',
  },
}

SCSS

$custom: #558aaa;
$custom-light: #8aacc3;
$custom-dark: #000000;

JSON

{
  "hex": "#558aaa",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 170
  },
  "hsl": {
    "h": 202.588,
    "s": 33.333,
    "l": 50
  },
  "oklch": {
    "l": 0.60914,
    "c": 0.07462,
    "h": 236.3
  },
  "luminance": 0.23011
}

Semantic roles & 50–950 ramp

primary

#558AAA

secondary

#C0A99A

accent

#875EC9

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1012

muted

#7D7F81

Preview Lab

Preview with #558AAA

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

Preview Lab → · Contrast checker → · Palette generator →