#3558CD#3558CD

#3558CD is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.6% C 0.186 H 266.8°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#3558CD
RGB	rgb(53, 88, 205)
HSL	hsl(226, 60%, 51%)
HSV	hsv(226, 74%, 80%)
CMYK	cmyk(74.1%, 57.1%, 0%, 19.6%)
CIE-LAB	lab(41.44, 28.33, -64.24)
CIE-LCH	lch(41.44, 70.21, 293.80°)
OKLab	oklab(50.58% -0.0102 -0.1853)
OKLCH	oklch(50.58% 0.186 266.8)
XYZ	xyz(15.9735, 12.1424, 59.2476)
Luminance	0.1214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3558CD #CDAA35

analogous

#35A4CD #3558CD #5E35CD

triadic

#3558CD #CD3558 #58CD35

tetradic

#3558CD #CD35A4 #CDAA35 #35CD5E

square

#3558CD #CD35A4 #CDAA35 #35CD5E

split-complementary

#3558CD #CD5E35 #A4CD35

monochromatic

#1B2E6D #27429E #3558CD #6681D9 #97A9E5

Accessibility & contrast

On white

6.12

#3558CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#3558CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3558CD

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3558CD	#FFFFFF	#000000	##FFFFFF
##3558CD	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D1

Deuteranopia (green-blind)

#005BCB

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3558cd;
/* rgb */ color: rgb(53, 88, 205);
/* oklch */ color: oklch(50.6% 0.186 266.8);

Tailwind

colors: {
  custom: {
    50: '#8186dd',
    500: '#3558cd',
    950: '#000000',
  },
}

SCSS

$custom: #3558cd;
$custom-light: #8186dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3558cd",
  "rgb": {
    "r": 53,
    "g": 88,
    "b": 205
  },
  "hsl": {
    "h": 226.184,
    "s": 60.317,
    "l": 50.588
  },
  "oklch": {
    "l": 0.50576,
    "c": 0.18562,
    "h": 266.8
  },
  "luminance": 0.12144
}

Semantic roles & 50–950 ramp

primary

#3558CD

secondary

#D1C18D

accent

#BF44E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3558CD

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

Preview Lab → · Contrast checker → · Palette generator →