#355CC8#355CC8

#355CC8 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.0% C 0.174 H 265.5°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#355CC8
RGB	rgb(53, 92, 200)
HSL	hsl(224, 58%, 50%)
HSV	hsv(224, 74%, 78%)
CMYK	cmyk(73.5%, 54%, 0%, 21.6%)
CIE-LAB	lab(42.12, 23.91, -60.25)
CIE-LCH	lch(42.12, 64.82, 291.65°)
OKLab	oklab(50.97% -0.0135 -0.1735)
OKLCH	oklch(50.97% 0.174 265.5)
XYZ	xyz(15.7170, 12.5796, 56.2322)
Luminance	0.1258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355CC8 #C8A135

analogous

#35A5C8 #355CC8 #5835C8

triadic

#355CC8 #C8355C #5CC835

tetradic

#355CC8 #C835A5 #C8A135 #35C858

square

#355CC8 #C835A5 #C8A135 #35C858

split-complementary

#355CC8 #C85835 #A5C835

monochromatic

#1B2F67 #284698 #355CC8 #6482D6 #95A9E3

Accessibility & contrast

On white

5.97

#355CC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#355CC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CC8

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355CC8	#FFFFFF	#000000	##FFFFFF
##355CC8	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACC

Deuteranopia (green-blind)

#005DC6

Tritanopia (blue-blind)

#007689

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355cc8;
/* rgb */ color: rgb(53, 92, 200);
/* oklch */ color: oklch(51.0% 0.174 265.5);

Tailwind

colors: {
  custom: {
    50: '#8089d9',
    500: '#355cc8',
    950: '#000000',
  },
}

SCSS

$custom: #355cc8;
$custom-light: #8089d9;
$custom-dark: #000000;

JSON

{
  "hex": "#355cc8",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 200
  },
  "hsl": {
    "h": 224.082,
    "s": 58.103,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50972,
    "c": 0.17407,
    "h": 265.5
  },
  "luminance": 0.12581
}

Semantic roles & 50–950 ramp

primary

#355CC8

secondary

#CEBC8B

accent

#B846E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355CC8

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

Preview Lab → · Contrast checker → · Palette generator →