#355BC8#355BC8

#355BC8 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.8% C 0.175 H 265.8°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#355BC8
RGB	rgb(53, 91, 200)
HSL	hsl(224, 58%, 50%)
HSV	hsv(224, 74%, 78%)
CMYK	cmyk(73.5%, 54.5%, 0%, 21.6%)
CIE-LAB	lab(41.86, 24.56, -60.68)
CIE-LCH	lch(41.86, 65.46, 292.03°)
OKLab	oklab(50.77% -0.0127 -0.1748)
OKLCH	oklch(50.77% 0.175 265.8)
XYZ	xyz(15.6310, 12.4075, 56.2035)
Luminance	0.1241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BC8 #C8A235

analogous

#35A5C8 #355BC8 #5935C8

triadic

#355BC8 #C8355B #5BC835

tetradic

#355BC8 #C835A5 #C8A235 #35C859

square

#355BC8 #C835A5 #C8A235 #35C859

split-complementary

#355BC8 #C85935 #A5C835

monochromatic

#1B2F67 #284598 #355BC8 #6482D6 #95A9E3

Accessibility & contrast

On white

6.03

#355BC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#355BC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BC8

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BC8	#FFFFFF	#000000	##FFFFFF
##355BC8	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACC

Deuteranopia (green-blind)

#005CC6

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355bc8;
/* rgb */ color: rgb(53, 91, 200);
/* oklch */ color: oklch(50.8% 0.175 265.8);

Tailwind

colors: {
  custom: {
    50: '#8088d9',
    500: '#355bc8',
    950: '#000000',
  },
}

SCSS

$custom: #355bc8;
$custom-light: #8088d9;
$custom-dark: #000000;

JSON

{
  "hex": "#355bc8",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 200
  },
  "hsl": {
    "h": 224.49,
    "s": 58.103,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50771,
    "c": 0.17529,
    "h": 265.8
  },
  "luminance": 0.12409
}

Semantic roles & 50–950 ramp

primary

#355BC8

secondary

#CEBD8B

accent

#B946E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355BC8

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

Preview Lab → · Contrast checker → · Palette generator →