#355FD2#355FD2

#355FD2 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.3% C 0.184 H 265.3°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#355FD2
RGB	rgb(53, 95, 210)
HSL	hsl(224, 64%, 52%)
HSV	hsv(224, 75%, 82%)
CMYK	cmyk(74.8%, 54.8%, 0%, 17.6%)
CIE-LAB	lab(43.64, 25.67, -63.54)
CIE-LCH	lch(43.64, 68.53, 292.00°)
OKLab	oklab(52.35% -0.0151 -0.1832)
OKLCH	oklch(52.35% 0.184 265.3)
XYZ	xyz(17.1892, 13.5925, 62.6780)
Luminance	0.1359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FD2 #D2A835

analogous

#35AED2 #355FD2 #5A35D2

triadic

#355FD2 #D2355F #5FD235

tetradic

#355FD2 #D235AE #D2A835 #35D25A

square

#355FD2 #D235AE #D2A835 #35D25A

split-complementary

#355FD2 #D25A35 #AED235

monochromatic

#1A3273 #2547A5 #355FD2 #6787DD #99AEE8

Accessibility & contrast

On white

5.65

#355FD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#355FD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FD2

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FD2	#FFFFFF	#000000	##FFFFFF
##355FD2	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD6

Deuteranopia (green-blind)

#0060D0

Tritanopia (blue-blind)

#007B8F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #355fd2;
/* rgb */ color: rgb(53, 95, 210);
/* oklch */ color: oklch(52.3% 0.184 265.3);

Tailwind

colors: {
  custom: {
    50: '#828be1',
    500: '#355fd2',
    950: '#000000',
  },
}

SCSS

$custom: #355fd2;
$custom-light: #828be1;
$custom-dark: #000000;

JSON

{
  "hex": "#355fd2",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 210
  },
  "hsl": {
    "h": 223.949,
    "s": 63.563,
    "l": 51.569
  },
  "oklch": {
    "l": 0.52348,
    "c": 0.18379,
    "h": 265.3
  },
  "luminance": 0.13594
}

Semantic roles & 50–950 ramp

primary

#355FD2

secondary

#D4C18F

accent

#BA41E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #355FD2

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

Preview Lab → · Contrast checker → · Palette generator →