#355EC8#355EC8

#355EC8 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.4% C 0.172 H 265.0°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#355EC8
RGB	rgb(53, 94, 200)
HSL	hsl(223, 58%, 50%)
HSV	hsv(223, 74%, 78%)
CMYK	cmyk(73.5%, 53%, 0%, 21.6%)
CIE-LAB	lab(42.66, 22.62, -59.38)
CIE-LCH	lch(42.66, 63.54, 290.85°)
OKLab	oklab(51.38% -0.0151 -0.1709)
OKLCH	oklch(51.38% 0.172 265)
XYZ	xyz(15.8926, 12.9307, 56.2907)
Luminance	0.1293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EC8 #C89F35

analogous

#35A8C8 #355EC8 #5535C8

triadic

#355EC8 #C8355E #5EC835

tetradic

#355EC8 #C835A8 #C89F35 #35C855

square

#355EC8 #C835A8 #C89F35 #35C855

split-complementary

#355EC8 #C85535 #A8C835

monochromatic

#1B3167 #284798 #355EC8 #6484D6 #95AAE3

Accessibility & contrast

On white

5.86

#355EC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#355EC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EC8

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EC8	#FFFFFF	#000000	##FFFFFF
##355EC8	1.00	5.86	3.59	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F6CCC

Deuteranopia (green-blind)

#005EC6

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #355ec8;
/* rgb */ color: rgb(53, 94, 200);
/* oklch */ color: oklch(51.4% 0.172 265.0);

Tailwind

colors: {
  custom: {
    50: '#808bd9',
    500: '#355ec8',
    950: '#000000',
  },
}

SCSS

$custom: #355ec8;
$custom-light: #808bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#355ec8",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 200
  },
  "hsl": {
    "h": 223.265,
    "s": 58.103,
    "l": 49.608
  },
  "oklch": {
    "l": 0.51377,
    "c": 0.17161,
    "h": 265
  },
  "luminance": 0.12932
}

Semantic roles & 50–950 ramp

primary

#355EC8

secondary

#CEBB8B

accent

#B646E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355EC8

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

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