#355DC1#355DC1

#355DC1 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.6% C 0.163 H 264.7°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#355DC1
RGB	rgb(53, 93, 193)
HSL	hsl(223, 57%, 48%)
HSV	hsv(223, 73%, 76%)
CMYK	cmyk(72.5%, 51.8%, 0%, 24.3%)
CIE-LAB	lab(41.90, 20.67, -56.56)
CIE-LCH	lch(41.90, 60.22, 290.08°)
OKLab	oklab(50.65% -0.0149 -0.1627)
OKLCH	oklch(50.65% 0.163 264.7)
XYZ	xyz(15.0048, 12.4342, 52.0510)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DC1 #C19935

analogous

#35A3C1 #355DC1 #5335C1

triadic

#355DC1 #C1355D #5DC135

tetradic

#355DC1 #C135A3 #C19935 #35C153

square

#355DC1 #C135A3 #C19935 #35C153

split-complementary

#355DC1 #C15335 #A3C135

monochromatic

#1B2F61 #284691 #355DC1 #6081D3 #90A7E0

Accessibility & contrast

On white

6.02

#355DC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#355DC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DC1

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DC1	#FFFFFF	#000000	##FFFFFF
##355DC1	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C6AC5

Deuteranopia (green-blind)

#005DBF

Tritanopia (blue-blind)

#007586

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355dc1;
/* rgb */ color: rgb(53, 93, 193);
/* oklch */ color: oklch(50.6% 0.163 264.7);

Tailwind

colors: {
  custom: {
    50: '#7e8ad4',
    500: '#355dc1',
    950: '#000000',
  },
}

SCSS

$custom: #355dc1;
$custom-light: #7e8ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#355dc1",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 193
  },
  "hsl": {
    "h": 222.857,
    "s": 56.911,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50645,
    "c": 0.16335,
    "h": 264.7
  },
  "luminance": 0.12436
}

Semantic roles & 50–950 ramp

primary

#355DC1

secondary

#CBB887

accent

#B548E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355DC1

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

Preview Lab → · Contrast checker → · Palette generator →