#355ACC#355ACC

#355ACC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.182 H 266.3°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#355ACC
RGB	rgb(53, 90, 204)
HSL	hsl(225, 60%, 50%)
HSV	hsv(225, 74%, 80%)
CMYK	cmyk(74%, 55.9%, 0%, 20%)
CIE-LAB	lab(41.89, 26.68, -62.94)
CIE-LCH	lch(41.89, 68.36, 292.97°)
OKLab	oklab(50.89% -0.0117 -0.1815)
OKLCH	oklch(50.89% 0.182 266.3)
XYZ	xyz(16.0196, 12.4271, 58.6694)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355ACC #CCA735

analogous

#35A5CC #355ACC #5B35CC

triadic

#355ACC #CC355A #5ACC35

tetradic

#355ACC #CC35A5 #CCA735 #35CC5B

square

#355ACC #CC35A5 #CCA735 #35CC5B

split-complementary

#355ACC #CC5B35 #A5CC35

monochromatic

#1B2F6B #27449C #355ACC #6682D8 #97AAE5

Accessibility & contrast

On white

6.02

#355ACC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#355ACC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355ACC

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

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

#006AD0

Deuteranopia (green-blind)

#005CCA

Tritanopia (blue-blind)

#00768A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355acc;
/* rgb */ color: rgb(53, 90, 204);
/* oklch */ color: oklch(50.9% 0.182 266.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#355acc",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 204
  },
  "hsl": {
    "h": 225.298,
    "s": 59.684,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50887,
    "c": 0.18187,
    "h": 266.3
  },
  "luminance": 0.12429
}

Semantic roles & 50–950 ramp

primary

#355ACC

secondary

#D0C08D

accent

#BC45E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355ACC

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

Preview Lab → · Contrast checker → · Palette generator →