#355BC0#355BC0

#355BC0 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.2% C 0.164 H 265.3°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#355BC0
RGB	rgb(53, 91, 192)
HSL	hsl(224, 57%, 48%)
HSV	hsv(224, 72%, 75%)
CMYK	cmyk(72.4%, 52.6%, 0%, 24.7%)
CIE-LAB	lab(41.28, 21.59, -56.97)
CIE-LCH	lch(41.28, 60.92, 290.76°)
OKLab	oklab(50.16% -0.0134 -0.1639)
OKLCH	oklch(50.16% 0.164 265.3)
XYZ	xyz(14.7204, 12.0433, 51.4077)
Luminance	0.1205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BC0 #C09A35

analogous

#35A0C0 #355BC0 #5435C0

triadic

#355BC0 #C0355B #5BC035

tetradic

#355BC0 #C035A0 #C09A35 #35C054

square

#355BC0 #C035A0 #C09A35 #35C054

split-complementary

#355BC0 #C05435 #A0C035

monochromatic

#1B2E60 #284490 #355BC0 #5F7FD3 #8FA5E0

Accessibility & contrast

On white

6.16

#355BC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#355BC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BC0

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BC0	#FFFFFF	#000000	##FFFFFF
##355BC0	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1568C4

Deuteranopia (green-blind)

#005BBE

Tritanopia (blue-blind)

#007385

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #355bc0;
/* rgb */ color: rgb(53, 91, 192);
/* oklch */ color: oklch(50.2% 0.164 265.3);

Tailwind

colors: {
  custom: {
    50: '#7e88d4',
    500: '#355bc0',
    950: '#000000',
  },
}

SCSS

$custom: #355bc0;
$custom-light: #7e88d4;
$custom-dark: #000000;

JSON

{
  "hex": "#355bc0",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 192
  },
  "hsl": {
    "h": 223.597,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50158,
    "c": 0.16445,
    "h": 265.3
  },
  "luminance": 0.12045
}

Semantic roles & 50–950 ramp

primary

#355BC0

secondary

#CBB886

accent

#B648E0

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355BC0

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

Preview Lab → · Contrast checker → · Palette generator →