#558FC9#558FC9

#558FC9 is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.5% C 0.107 H 249.8°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#558FC9
RGB	rgb(85, 143, 201)
HSL	hsl(210, 52%, 56%)
HSV	hsv(210, 58%, 79%)
CMYK	cmyk(57.7%, 28.9%, 0%, 21.2%)
CIE-LAB	lab(57.84, -1.77, -35.70)
CIE-LCH	lch(57.84, 35.75, 267.17°)
OKLab	oklab(63.52% -0.0369 -0.1004)
OKLCH	oklch(63.52% 0.107 249.8)
XYZ	xyz(24.1076, 25.7912, 58.9548)
Luminance	0.2579 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FC9 #C98F55

analogous

#55C9C9 #558FC9 #5555C9

triadic

#558FC9 #C9558F #8FC955

tetradic

#558FC9 #C955C9 #C98F55 #55C955

square

#558FC9 #C955C9 #C98F55 #55C955

split-complementary

#558FC9 #C95555 #C9C955

monochromatic

#27527C #3670AB #558FC9 #83AED8 #B2CCE7

Accessibility & contrast

On white

3.41

#558FC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#558FC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FC9

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FC9	#FFFFFF	#000000	##000000
##558FC9	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7791CC

Deuteranopia (green-blind)

#6786C8

Tritanopia (blue-blind)

#009CA3

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558fc9;
/* rgb */ color: rgb(85, 143, 201);
/* oklch */ color: oklch(63.5% 0.107 249.8);

Tailwind

colors: {
  custom: {
    50: '#8eafd9',
    500: '#558fc9',
    950: '#000000',
  },
}

SCSS

$custom: #558fc9;
$custom-light: #8eafd9;
$custom-dark: #000000;

JSON

{
  "hex": "#558fc9",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 201
  },
  "hsl": {
    "h": 210,
    "s": 51.786,
    "l": 56.078
  },
  "oklch": {
    "l": 0.63519,
    "c": 0.107,
    "h": 249.8
  },
  "luminance": 0.25793
}

Semantic roles & 50–950 ramp

primary

#558FC9

secondary

#D5BDA5

accent

#944DDB

background

#F9FAFD

surface

#F1F4FA

border

#CBCED3

text

#0D1014

muted

#7E7F83

Preview Lab

Preview with #558FC9

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

Preview Lab → · Contrast checker → · Palette generator →