#355DC0#355DC0

#355DC0 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.6% C 0.162 H 264.7°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#355DC0
RGB	rgb(53, 93, 192)
HSL	hsl(223, 57%, 48%)
HSV	hsv(223, 72%, 75%)
CMYK	cmyk(72.4%, 51.6%, 0%, 24.7%)
CIE-LAB	lab(41.83, 20.30, -56.09)
CIE-LCH	lch(41.83, 59.65, 289.89°)
OKLab	oklab(50.57% -0.0151 -0.1613)
OKLCH	oklch(50.57% 0.162 264.7)
XYZ	xyz(14.8936, 12.3898, 51.4655)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DC0 #C09835

analogous

#35A2C0 #355DC0 #5235C0

triadic

#355DC0 #C0355D #5DC035

tetradic

#355DC0 #C035A2 #C09835 #35C052

square

#355DC0 #C035A2 #C09835 #35C052

split-complementary

#355DC0 #C05235 #A2C035

monochromatic

#1B2F60 #284690 #355DC0 #5F81D3 #8FA7E0

Accessibility & contrast

On white

6.04

#355DC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#355DC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DC0

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DC0	#FFFFFF	#000000	##FFFFFF
##355DC0	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E69C4

Deuteranopia (green-blind)

#005DBE

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355dc0;
/* rgb */ color: rgb(53, 93, 192);
/* oklch */ color: oklch(50.6% 0.162 264.7);

Tailwind

colors: {
  custom: {
    50: '#7e8ad4',
    500: '#355dc0',
    950: '#000000',
  },
}

SCSS

$custom: #355dc0;
$custom-light: #7e8ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#355dc0",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 192
  },
  "hsl": {
    "h": 222.734,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50571,
    "c": 0.16198,
    "h": 264.7
  },
  "luminance": 0.12391
}

Semantic roles & 50–950 ramp

primary

#355DC0

secondary

#CBB786

accent

#B448E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355DC0

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

Preview Lab → · Contrast checker → · Palette generator →