#355EC0#355EC0

#355EC0 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.8% C 0.161 H 264.3°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#355EC0
RGB	rgb(53, 94, 192)
HSL	hsl(222, 57%, 48%)
HSV	hsv(222, 72%, 75%)
CMYK	cmyk(72.4%, 51%, 0%, 24.7%)
CIE-LAB	lab(42.10, 19.65, -55.65)
CIE-LCH	lch(42.10, 59.01, 289.45°)
OKLab	oklab(50.78% -0.0159 -0.16)
OKLCH	oklch(50.78% 0.161 264.3)
XYZ	xyz(14.9820, 12.5665, 51.4949)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EC0 #C09735

analogous

#35A3C0 #355EC0 #5135C0

triadic

#355EC0 #C0355E #5EC035

tetradic

#355EC0 #C035A3 #C09735 #35C051

square

#355EC0 #C035A3 #C09735 #35C051

split-complementary

#355EC0 #C05135 #A3C035

monochromatic

#1B2F60 #284790 #355EC0 #5F81D3 #8FA7E0

Accessibility & contrast

On white

5.98

#355EC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#355EC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EC0

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EC0	#FFFFFF	#000000	##FFFFFF
##355EC0	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#216AC4

Deuteranopia (green-blind)

#005DBE

Tritanopia (blue-blind)

#007586

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355ec0;
/* rgb */ color: rgb(53, 94, 192);
/* oklch */ color: oklch(50.8% 0.161 264.3);

Tailwind

colors: {
  custom: {
    50: '#7e8bd4',
    500: '#355ec0',
    950: '#000000',
  },
}

SCSS

$custom: #355ec0;
$custom-light: #7e8bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#355ec0",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 192
  },
  "hsl": {
    "h": 222.302,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50779,
    "c": 0.16075,
    "h": 264.3
  },
  "luminance": 0.12568
}

Semantic roles & 50–950 ramp

primary

#355EC0

secondary

#CBB786

accent

#B348E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #355EC0

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

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