#3558CF#3558CF

#3558CF is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.7% C 0.188 H 266.9°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#3558CF
RGB	rgb(53, 88, 207)
HSL	hsl(226, 62%, 51%)
HSV	hsv(226, 74%, 81%)
CMYK	cmyk(74.4%, 57.5%, 0%, 18.8%)
CIE-LAB	lab(41.59, 29.07, -65.15)
CIE-LCH	lch(41.59, 71.34, 294.04°)
OKLab	oklab(50.74% -0.0102 -0.188)
OKLCH	oklch(50.74% 0.188 266.9)
XYZ	xyz(16.2165, 12.2396, 60.5272)
Luminance	0.1224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3558CF #CFAC35

analogous

#35A5CF #3558CF #5F35CF

triadic

#3558CF #CF3558 #58CF35

tetradic

#3558CF #CF35A5 #CFAC35 #35CF5F

square

#3558CF #CF35A5 #CFAC35 #35CF5F

split-complementary

#3558CF #CF5F35 #A5CF35

monochromatic

#1A2E6F #2642A1 #3558CF #6681DB #98AAE7

Accessibility & contrast

On white

6.09

#3558CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#3558CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3558CF

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3558CF	#FFFFFF	#000000	##FFFFFF
##3558CF	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD3

Deuteranopia (green-blind)

#005BCD

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3558cf;
/* rgb */ color: rgb(53, 88, 207);
/* oklch */ color: oklch(50.7% 0.188 266.9);

Tailwind

colors: {
  custom: {
    50: '#8286df',
    500: '#3558cf',
    950: '#000000',
  },
}

SCSS

$custom: #3558cf;
$custom-light: #8286df;
$custom-dark: #000000;

JSON

{
  "hex": "#3558cf",
  "rgb": {
    "r": 53,
    "g": 88,
    "b": 207
  },
  "hsl": {
    "h": 226.364,
    "s": 61.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.50738,
    "c": 0.18827,
    "h": 266.9
  },
  "luminance": 0.12241
}

Semantic roles & 50–950 ramp

primary

#3558CF

secondary

#D2C38E

accent

#C043E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3558CF

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

Preview Lab → · Contrast checker → · Palette generator →