#355AC8#355AC8

#355AC8 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.6% C 0.177 H 266.1°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#355AC8
RGB	rgb(53, 90, 200)
HSL	hsl(225, 58%, 50%)
HSV	hsv(225, 74%, 78%)
CMYK	cmyk(73.5%, 55%, 0%, 21.6%)
CIE-LAB	lab(41.59, 25.20, -61.11)
CIE-LCH	lch(41.59, 66.10, 292.41°)
OKLab	oklab(50.57% -0.012 -0.1761)
OKLCH	oklch(50.57% 0.177 266.1)
XYZ	xyz(15.5460, 12.2377, 56.1752)
Luminance	0.1224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355AC8 #C8A335

analogous

#35A4C8 #355AC8 #5A35C8

triadic

#355AC8 #C8355A #5AC835

tetradic

#355AC8 #C835A4 #C8A335 #35C85A

square

#355AC8 #C835A4 #C8A335 #35C85A

split-complementary

#355AC8 #C85A35 #A4C835

monochromatic

#1B2E67 #284498 #355AC8 #6481D6 #95A8E3

Accessibility & contrast

On white

6.09

#355AC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#355AC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355AC8

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355AC8	#FFFFFF	#000000	##FFFFFF
##355AC8	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)

#0069CC

Deuteranopia (green-blind)

#005CC6

Tritanopia (blue-blind)

#007588

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #355ac8;
/* rgb */ color: rgb(53, 90, 200);
/* oklch */ color: oklch(50.6% 0.177 266.1);

Tailwind

colors: {
  custom: {
    50: '#8088d9',
    500: '#355ac8',
    950: '#000000',
  },
}

SCSS

$custom: #355ac8;
$custom-light: #8088d9;
$custom-dark: #000000;

JSON

{
  "hex": "#355ac8",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 200
  },
  "hsl": {
    "h": 224.898,
    "s": 58.103,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50571,
    "c": 0.17652,
    "h": 266.1
  },
  "luminance": 0.12239
}

Semantic roles & 50–950 ramp

primary

#355AC8

secondary

#CEBD8B

accent

#BA46E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355AC8

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

Preview Lab → · Contrast checker → · Palette generator →