#355DC5#355DC5

#355DC5 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.9% C 0.169 H 265.1°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#355DC5
RGB	rgb(53, 93, 197)
HSL	hsl(223, 58%, 49%)
HSV	hsv(223, 73%, 77%)
CMYK	cmyk(73.1%, 52.8%, 0%, 22.7%)
CIE-LAB	lab(42.18, 22.15, -58.43)
CIE-LCH	lch(42.18, 62.48, 290.77°)
OKLab	oklab(50.95% -0.0146 -0.1682)
OKLCH	oklch(50.95% 0.169 265.1)
XYZ	xyz(15.4570, 12.6151, 54.4328)
Luminance	0.1262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DC5 #C59D35

analogous

#35A5C5 #355DC5 #5535C5

triadic

#355DC5 #C5355D #5DC535

tetradic

#355DC5 #C535A5 #C59D35 #35C555

square

#355DC5 #C535A5 #C59D35 #35C555

split-complementary

#355DC5 #C55535 #A5C535

monochromatic

#1B2F65 #284695 #355DC5 #6282D5 #93A9E2

Accessibility & contrast

On white

5.96

#355DC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#355DC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DC5

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DC5	#FFFFFF	#000000	##FFFFFF
##355DC5	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)

#126AC9

Deuteranopia (green-blind)

#005DC3

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #355dc5;
/* rgb */ color: rgb(53, 93, 197);
/* oklch */ color: oklch(50.9% 0.169 265.1);

Tailwind

colors: {
  custom: {
    50: '#7f8ad7',
    500: '#355dc5',
    950: '#000000',
  },
}

SCSS

$custom: #355dc5;
$custom-light: #7f8ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#355dc5",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 197
  },
  "hsl": {
    "h": 223.333,
    "s": 57.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.50946,
    "c": 0.16879,
    "h": 265.1
  },
  "luminance": 0.12617
}

Semantic roles & 50–950 ramp

primary

#355DC5

secondary

#CDBA89

accent

#B647E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355DC5

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

Preview Lab → · Contrast checker → · Palette generator →