#355BC5#355BC5

#355BC5 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.5% C 0.171 H 265.7°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#355BC5
RGB	rgb(53, 91, 197)
HSL	hsl(224, 58%, 49%)
HSV	hsv(224, 73%, 77%)
CMYK	cmyk(73.1%, 53.8%, 0%, 22.7%)
CIE-LAB	lab(41.64, 23.45, -59.30)
CIE-LCH	lch(41.64, 63.76, 291.57°)
OKLab	oklab(50.54% -0.013 -0.1708)
OKLCH	oklch(50.54% 0.171 265.7)
XYZ	xyz(15.2838, 12.2686, 54.3751)
Luminance	0.1227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BC5 #C59F35

analogous

#35A3C5 #355BC5 #5735C5

triadic

#355BC5 #C5355B #5BC535

tetradic

#355BC5 #C535A3 #C59F35 #35C557

square

#355BC5 #C535A3 #C59F35 #35C557

split-complementary

#355BC5 #C55735 #A3C535

monochromatic

#1B2E65 #284595 #355BC5 #6281D5 #93A7E2

Accessibility & contrast

On white

6.08

#355BC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#355BC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BC5

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BC5	#FFFFFF	#000000	##FFFFFF
##355BC5	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0469C9

Deuteranopia (green-blind)

#005CC3

Tritanopia (blue-blind)

#007587

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #355bc5;
/* rgb */ color: rgb(53, 91, 197);
/* oklch */ color: oklch(50.5% 0.171 265.7);

Tailwind

colors: {
  custom: {
    50: '#7f88d7',
    500: '#355bc5',
    950: '#000000',
  },
}

SCSS

$custom: #355bc5;
$custom-light: #7f88d7;
$custom-dark: #000000;

JSON

{
  "hex": "#355bc5",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 197
  },
  "hsl": {
    "h": 224.167,
    "s": 57.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.50539,
    "c": 0.17124,
    "h": 265.7
  },
  "luminance": 0.1227
}

Semantic roles & 50–950 ramp

primary

#355BC5

secondary

#CDBB89

accent

#B847E1

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #355BC5

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

Preview Lab → · Contrast checker → · Palette generator →