#355ECA#355ECA

#355ECA is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.174 H 265.1°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#355ECA
RGB	rgb(53, 94, 202)
HSL	hsl(223, 58%, 50%)
HSV	hsv(223, 74%, 79%)
CMYK	cmyk(73.8%, 53.5%, 0%, 20.8%)
CIE-LAB	lab(42.80, 23.36, -60.31)
CIE-LCH	lch(42.80, 64.67, 291.17°)
OKLab	oklab(51.53% -0.0149 -0.1737)
OKLCH	oklch(51.53% 0.174 265.1)
XYZ	xyz(16.1278, 13.0248, 57.5297)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355ECA #CAA135

analogous

#35A8CA #355ECA #5735CA

triadic

#355ECA #CA355E #5ECA35

tetradic

#355ECA #CA35A8 #CAA135 #35CA57

square

#355ECA #CA35A8 #CAA135 #35CA57

split-complementary

#355ECA #CA5735 #A8CA35

monochromatic

#1C3169 #28479A #355ECA #6585D7 #96ABE3

Accessibility & contrast

On white

5.82

#355ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#355ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355ECA

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355ECA	#FFFFFF	#000000	##FFFFFF
##355ECA	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#076CCE

Deuteranopia (green-blind)

#005FC8

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #355eca;
/* rgb */ color: rgb(53, 94, 202);
/* oklch */ color: oklch(51.5% 0.174 265.1);

Tailwind

colors: {
  custom: {
    50: '#808bdb',
    500: '#355eca',
    950: '#000000',
  },
}

SCSS

$custom: #355eca;
$custom-light: #808bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#355eca",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 202
  },
  "hsl": {
    "h": 223.49,
    "s": 58.431,
    "l": 50
  },
  "oklch": {
    "l": 0.5153,
    "c": 0.17431,
    "h": 265.1
  },
  "luminance": 0.13027
}

Semantic roles & 50–950 ramp

primary

#355ECA

secondary

#CFBC8C

accent

#B746E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355ECA

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

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