#3558CC#3558CC

#3558CC is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.5% C 0.184 H 266.8°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#3558CC
RGB	rgb(53, 88, 204)
HSL	hsl(226, 60%, 50%)
HSV	hsv(226, 74%, 80%)
CMYK	cmyk(74%, 56.9%, 0%, 20%)
CIE-LAB	lab(41.37, 27.97, -63.79)
CIE-LCH	lch(41.37, 69.65, 293.67°)
OKLab	oklab(50.5% -0.0103 -0.184)
OKLCH	oklch(50.5% 0.184 266.8)
XYZ	xyz(15.8532, 12.0942, 58.6140)
Luminance	0.1210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3558CC #CCA935

analogous

#35A3CC #3558CC #5E35CC

triadic

#3558CC #CC3558 #58CC35

tetradic

#3558CC #CC35A3 #CCA935 #35CC5E

square

#3558CC #CC35A3 #CCA935 #35CC5E

split-complementary

#3558CC #CC5E35 #A3CC35

monochromatic

#1B2E6B #27439C #3558CC #6680D8 #97A9E5

Accessibility & contrast

On white

6.14

#3558CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#3558CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3558CC

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3558CC	#FFFFFF	#000000	##FFFFFF
##3558CC	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D0

Deuteranopia (green-blind)

#005BCA

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3558cc;
/* rgb */ color: rgb(53, 88, 204);
/* oklch */ color: oklch(50.5% 0.184 266.8);

Tailwind

colors: {
  custom: {
    50: '#8186dc',
    500: '#3558cc',
    950: '#000000',
  },
}

SCSS

$custom: #3558cc;
$custom-light: #8186dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3558cc",
  "rgb": {
    "r": 53,
    "g": 88,
    "b": 204
  },
  "hsl": {
    "h": 226.093,
    "s": 59.684,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50495,
    "c": 0.1843,
    "h": 266.8
  },
  "luminance": 0.12096
}

Semantic roles & 50–950 ramp

primary

#3558CC

secondary

#D0C08D

accent

#BE45E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3558CC

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

Preview Lab → · Contrast checker → · Palette generator →