#355AD0#355AD0

#355AD0 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.2% C 0.187 H 266.5°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#355AD0
RGB	rgb(53, 90, 208)
HSL	hsl(226, 62%, 51%)
HSV	hsv(226, 75%, 82%)
CMYK	cmyk(74.5%, 56.7%, 0%, 18.4%)
CIE-LAB	lab(42.19, 28.15, -64.76)
CIE-LCH	lch(42.19, 70.61, 293.49°)
OKLab	oklab(51.21% -0.0115 -0.1868)
OKLCH	oklch(51.21% 0.187 266.5)
XYZ	xyz(16.5055, 12.6215, 61.2286)
Luminance	0.1262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355AD0 #D0AB35

analogous

#35A8D0 #355AD0 #5D35D0

triadic

#355AD0 #D0355A #5AD035

tetradic

#355AD0 #D035A8 #D0AB35 #35D05D

square

#355AD0 #D035A8 #D0AB35 #35D05D

split-complementary

#355AD0 #D05D35 #A8D035

monochromatic

#1A2F70 #2643A2 #355AD0 #6783DC #98ABE7

Accessibility & contrast

On white

5.96

#355AD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#355AD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355AD0

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355AD0	#FFFFFF	#000000	##FFFFFF
##355AD0	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD4

Deuteranopia (green-blind)

#005DCE

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #355ad0;
/* rgb */ color: rgb(53, 90, 208);
/* oklch */ color: oklch(51.2% 0.187 266.5);

Tailwind

colors: {
  custom: {
    50: '#8288df',
    500: '#355ad0',
    950: '#000000',
  },
}

SCSS

$custom: #355ad0;
$custom-light: #8288df;
$custom-dark: #000000;

JSON

{
  "hex": "#355ad0",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 208
  },
  "hsl": {
    "h": 225.677,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51207,
    "c": 0.18718,
    "h": 266.5
  },
  "luminance": 0.12623
}

Semantic roles & 50–950 ramp

primary

#355AD0

secondary

#D3C28E

accent

#BE42E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355AD0

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

Preview Lab → · Contrast checker → · Palette generator →