#355DCD#355DCD

#355DCD is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.180 H 265.6°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#355DCD
RGB	rgb(53, 93, 205)
HSL	hsl(224, 60%, 51%)
HSV	hsv(224, 74%, 80%)
CMYK	cmyk(74.1%, 54.6%, 0%, 19.6%)
CIE-LAB	lab(42.75, 25.11, -62.12)
CIE-LCH	lch(42.75, 67.00, 292.01°)
OKLab	oklab(51.56% -0.0139 -0.179)
OKLCH	oklch(51.56% 0.18 265.6)
XYZ	xyz(16.3981, 12.9916, 59.3892)
Luminance	0.1299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DCD #CDA535

analogous

#35A9CD #355DCD #5935CD

triadic

#355DCD #CD355D #5DCD35

tetradic

#355DCD #CD35A9 #CDA535 #35CD59

square

#355DCD #CD35A9 #CDA535 #35CD59

split-complementary

#355DCD #CD5935 #A9CD35

monochromatic

#1B306D #27469E #355DCD #6684D9 #97ACE5

Accessibility & contrast

On white

5.84

#355DCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#355DCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DCD

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DCD	#FFFFFF	#000000	##FFFFFF
##355DCD	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD1

Deuteranopia (green-blind)

#005ECB

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #355dcd;
/* rgb */ color: rgb(53, 93, 205);
/* oklch */ color: oklch(51.6% 0.180 265.6);

Tailwind

colors: {
  custom: {
    50: '#818add',
    500: '#355dcd',
    950: '#000000',
  },
}

SCSS

$custom: #355dcd;
$custom-light: #818add;
$custom-dark: #000000;

JSON

{
  "hex": "#355dcd",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 205
  },
  "hsl": {
    "h": 224.211,
    "s": 60.317,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5156,
    "c": 0.17955,
    "h": 265.6
  },
  "luminance": 0.12993
}

Semantic roles & 50–950 ramp

primary

#355DCD

secondary

#D1BF8D

accent

#BA44E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355DCD

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

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