#355CCD#355CCD

#355CCD is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.181 H 265.8°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#355CCD
RGB	rgb(53, 92, 205)
HSL	hsl(225, 60%, 51%)
HSV	hsv(225, 74%, 80%)
CMYK	cmyk(74.1%, 55.1%, 0%, 19.6%)
CIE-LAB	lab(42.49, 25.76, -62.54)
CIE-LCH	lch(42.49, 67.64, 292.38°)
OKLab	oklab(51.36% -0.0132 -0.1803)
OKLCH	oklch(51.36% 0.181 265.8)
XYZ	xyz(16.3109, 12.8172, 59.3601)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355CCD #CDA635

analogous

#35A8CD #355CCD #5A35CD

triadic

#355CCD #CD355C #5CCD35

tetradic

#355CCD #CD35A8 #CDA635 #35CD5A

square

#355CCD #CD35A8 #CDA635 #35CD5A

split-complementary

#355CCD #CD5A35 #A8CD35

monochromatic

#1B306D #27469E #355CCD #6684D9 #97ABE5

Accessibility & contrast

On white

5.89

#355CCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#355CCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CCD

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355CCD	#FFFFFF	#000000	##FFFFFF
##355CCD	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD1

Deuteranopia (green-blind)

#005ECB

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #355ccd;
/* rgb */ color: rgb(53, 92, 205);
/* oklch */ color: oklch(51.4% 0.181 265.8);

Tailwind

colors: {
  custom: {
    50: '#8189dd',
    500: '#355ccd',
    950: '#000000',
  },
}

SCSS

$custom: #355ccd;
$custom-light: #8189dd;
$custom-dark: #000000;

JSON

{
  "hex": "#355ccd",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 205
  },
  "hsl": {
    "h": 224.605,
    "s": 60.317,
    "l": 50.588
  },
  "oklch": {
    "l": 0.51361,
    "c": 0.18077,
    "h": 265.8
  },
  "luminance": 0.12819
}

Semantic roles & 50–950 ramp

primary

#355CCD

secondary

#D1BF8D

accent

#BB44E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355CCD

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

Preview Lab → · Contrast checker → · Palette generator →