#355CC5#355CC5

#355CC5 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.7% C 0.170 H 265.4°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#355CC5
RGB	rgb(53, 92, 197)
HSL	hsl(224, 58%, 49%)
HSV	hsv(224, 73%, 77%)
CMYK	cmyk(73.1%, 53.3%, 0%, 22.7%)
CIE-LAB	lab(41.91, 22.80, -58.86)
CIE-LCH	lch(41.91, 63.12, 291.17°)
OKLab	oklab(50.74% -0.0138 -0.1695)
OKLCH	oklch(50.74% 0.17 265.4)
XYZ	xyz(15.3698, 12.4407, 54.4038)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355CC5 #C59E35

analogous

#35A4C5 #355CC5 #5635C5

triadic

#355CC5 #C5355C #5CC535

tetradic

#355CC5 #C535A4 #C59E35 #35C556

square

#355CC5 #C535A4 #C59E35 #35C556

split-complementary

#355CC5 #C55635 #A4C535

monochromatic

#1B2F65 #284595 #355CC5 #6281D5 #93A8E2

Accessibility & contrast

On white

6.02

#355CC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#355CC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CC5

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355CC5	#FFFFFF	#000000	##FFFFFF
##355CC5	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)

#0C6AC9

Deuteranopia (green-blind)

#005DC3

Tritanopia (blue-blind)

#007587

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355cc5;
/* rgb */ color: rgb(53, 92, 197);
/* oklch */ color: oklch(50.7% 0.170 265.4);

Tailwind

colors: {
  custom: {
    50: '#7f89d7',
    500: '#355cc5',
    950: '#000000',
  },
}

SCSS

$custom: #355cc5;
$custom-light: #7f89d7;
$custom-dark: #000000;

JSON

{
  "hex": "#355cc5",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 197
  },
  "hsl": {
    "h": 223.75,
    "s": 57.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.50742,
    "c": 0.17002,
    "h": 265.4
  },
  "luminance": 0.12442
}

Semantic roles & 50–950 ramp

primary

#355CC5

secondary

#CDBA89

accent

#B747E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #355CC5

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

Preview Lab → · Contrast checker → · Palette generator →