#355FCD#355FCD

#355FCD is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.0% C 0.177 H 265.0°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#355FCD
RGB	rgb(53, 95, 205)
HSL	hsl(223, 60%, 51%)
HSV	hsv(223, 74%, 80%)
CMYK	cmyk(74.1%, 53.7%, 0%, 19.6%)
CIE-LAB	lab(43.28, 23.83, -61.25)
CIE-LCH	lch(43.28, 65.72, 291.25°)
OKLab	oklab(51.96% -0.0154 -0.1764)
OKLCH	oklch(51.96% 0.177 265)
XYZ	xyz(16.5760, 13.3473, 59.4485)
Luminance	0.1335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FCD #CDA335

analogous

#35ABCD #355FCD #5735CD

triadic

#355FCD #CD355F #5FCD35

tetradic

#355FCD #CD35AB #CDA335 #35CD57

square

#355FCD #CD35AB #CDA335 #35CD57

split-complementary

#355FCD #CD5735 #ABCD35

monochromatic

#1B326D #27489E #355FCD #6686D9 #97ADE5

Accessibility & contrast

On white

5.72

#355FCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#355FCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FCD

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FCD	#FFFFFF	#000000	##FFFFFF
##355FCD	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#036ED1

Deuteranopia (green-blind)

#0060CB

Tritanopia (blue-blind)

#007A8D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #355fcd;
/* rgb */ color: rgb(53, 95, 205);
/* oklch */ color: oklch(52.0% 0.177 265.0);

Tailwind

colors: {
  custom: {
    50: '#818bdd',
    500: '#355fcd',
    950: '#000000',
  },
}

SCSS

$custom: #355fcd;
$custom-light: #818bdd;
$custom-dark: #000000;

JSON

{
  "hex": "#355fcd",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 205
  },
  "hsl": {
    "h": 223.421,
    "s": 60.317,
    "l": 50.588
  },
  "oklch": {
    "l": 0.51962,
    "c": 0.17712,
    "h": 265
  },
  "luminance": 0.13349
}

Semantic roles & 50–950 ramp

primary

#355FCD

secondary

#D1BE8D

accent

#B744E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #355FCD

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

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