#355CC9#355CC9

#355CC9 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.0% C 0.175 H 265.6°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#355CC9
RGB	rgb(53, 92, 201)
HSL	hsl(224, 58%, 50%)
HSV	hsv(224, 74%, 79%)
CMYK	cmyk(73.6%, 54.2%, 0%, 21.2%)
CIE-LAB	lab(42.20, 24.28, -60.71)
CIE-LCH	lch(42.20, 65.39, 291.80°)
OKLab	oklab(51.05% -0.0134 -0.1749)
OKLCH	oklch(51.05% 0.175 265.6)
XYZ	xyz(15.8343, 12.6265, 56.8497)
Luminance	0.1263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355CC9 #C9A235

analogous

#35A6C9 #355CC9 #5835C9

triadic

#355CC9 #C9355C #5CC935

tetradic

#355CC9 #C935A6 #C9A235 #35C958

square

#355CC9 #C935A6 #C9A235 #35C958

split-complementary

#355CC9 #C95835 #A6C935

monochromatic

#1B3068 #284699 #355CC9 #6583D6 #95AAE3

Accessibility & contrast

On white

5.96

#355CC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#355CC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CC9

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355CC9	#FFFFFF	#000000	##FFFFFF
##355CC9	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCD

Deuteranopia (green-blind)

#005DC7

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #355cc9;
/* rgb */ color: rgb(53, 92, 201);
/* oklch */ color: oklch(51.0% 0.175 265.6);

Tailwind

colors: {
  custom: {
    50: '#8089da',
    500: '#355cc9',
    950: '#000000',
  },
}

SCSS

$custom: #355cc9;
$custom-light: #8089da;
$custom-dark: #000000;

JSON

{
  "hex": "#355cc9",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 201
  },
  "hsl": {
    "h": 224.189,
    "s": 58.268,
    "l": 49.804
  },
  "oklch": {
    "l": 0.51049,
    "c": 0.17542,
    "h": 265.6
  },
  "luminance": 0.12628
}

Semantic roles & 50–950 ramp

primary

#355CC9

secondary

#CEBD8B

accent

#B946E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355CC9

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

Preview Lab → · Contrast checker → · Palette generator →