#355BCC#355BCC

#355BCC is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.1% C 0.181 H 266.0°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#355BCC
RGB	rgb(53, 91, 204)
HSL	hsl(225, 60%, 50%)
HSV	hsv(225, 74%, 80%)
CMYK	cmyk(74%, 55.4%, 0%, 20%)
CIE-LAB	lab(42.15, 26.03, -62.52)
CIE-LCH	lch(42.15, 67.72, 292.61°)
OKLab	oklab(51.08% -0.0125 -0.1802)
OKLCH	oklch(51.08% 0.181 266)
XYZ	xyz(16.1045, 12.5969, 58.6977)
Luminance	0.1260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BCC #CCA635

analogous

#35A6CC #355BCC #5B35CC

triadic

#355BCC #CC355B #5BCC35

tetradic

#355BCC #CC35A6 #CCA635 #35CC5B

square

#355BCC #CC35A6 #CCA635 #35CC5B

split-complementary

#355BCC #CC5B35 #A6CC35

monochromatic

#1B2F6B #27459C #355BCC #6683D8 #97AAE5

Accessibility & contrast

On white

5.97

#355BCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#355BCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BCC

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BCC	#FFFFFF	#000000	##FFFFFF
##355BCC	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#005DCA

Tritanopia (blue-blind)

#00778A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355bcc;
/* rgb */ color: rgb(53, 91, 204);
/* oklch */ color: oklch(51.1% 0.181 266.0);

Tailwind

colors: {
  custom: {
    50: '#8188dc',
    500: '#355bcc',
    950: '#000000',
  },
}

SCSS

$custom: #355bcc;
$custom-light: #8188dc;
$custom-dark: #000000;

JSON

{
  "hex": "#355bcc",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 204
  },
  "hsl": {
    "h": 224.901,
    "s": 59.684,
    "l": 50.392
  },
  "oklch": {
    "l": 0.51084,
    "c": 0.18065,
    "h": 266
  },
  "luminance": 0.12599
}

Semantic roles & 50–950 ramp

primary

#355BCC

secondary

#D0BF8D

accent

#BB45E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355BCC

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

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