#355AC4#355AC4

#355AC4 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.3% C 0.171 H 265.9°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#355AC4
RGB	rgb(53, 90, 196)
HSL	hsl(224, 57%, 49%)
HSV	hsv(224, 73%, 77%)
CMYK	cmyk(73%, 54.1%, 0%, 23.1%)
CIE-LAB	lab(41.30, 23.72, -59.27)
CIE-LCH	lch(41.30, 63.84, 291.82°)
OKLab	oklab(50.26% -0.0123 -0.1707)
OKLCH	oklch(50.26% 0.171 265.9)
XYZ	xyz(15.0847, 12.0531, 53.7453)
Luminance	0.1206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355AC4 #C49F35

analogous

#35A2C4 #355AC4 #5835C4

triadic

#355AC4 #C4355A #5AC435

tetradic

#355AC4 #C435A2 #C49F35 #35C458

square

#355AC4 #C435A2 #C49F35 #35C458

split-complementary

#355AC4 #C45835 #A2C435

monochromatic

#1B2E64 #284494 #355AC4 #627FD4 #92A6E1

Accessibility & contrast

On white

6.16

#355AC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#355AC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355AC4

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355AC4	#FFFFFF	#000000	##FFFFFF
##355AC4	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068C8

Deuteranopia (green-blind)

#005BC2

Tritanopia (blue-blind)

#007486

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #355ac4;
/* rgb */ color: rgb(53, 90, 196);
/* oklch */ color: oklch(50.3% 0.171 265.9);

Tailwind

colors: {
  custom: {
    50: '#7f88d7',
    500: '#355ac4',
    950: '#000000',
  },
}

SCSS

$custom: #355ac4;
$custom-light: #7f88d7;
$custom-dark: #000000;

JSON

{
  "hex": "#355ac4",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 196
  },
  "hsl": {
    "h": 224.476,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5026,
    "c": 0.17112,
    "h": 265.9
  },
  "luminance": 0.12055
}

Semantic roles & 50–950 ramp

primary

#355AC4

secondary

#CCBB88

accent

#B947E1

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355AC4

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

Preview Lab → · Contrast checker → · Palette generator →