#355EB6#355EB6

#355EB6 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.1% C 0.147 H 263.3°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#355EB6
RGB	rgb(53, 94, 182)
HSL	hsl(221, 55%, 46%)
HSV	hsv(221, 71%, 71%)
CMYK	cmyk(70.9%, 48.4%, 0%, 28.6%)
CIE-LAB	lab(41.43, 15.94, -50.89)
CIE-LCH	lch(41.43, 53.33, 287.39°)
OKLab	oklab(50.06% -0.0172 -0.146)
OKLCH	oklch(50.06% 0.147 263.3)
XYZ	xyz(13.9114, 12.1382, 45.8567)
Luminance	0.1214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EB6 #B68D35

analogous

#359EB6 #355EB6 #4C35B6

triadic

#355EB6 #B6355E #5EB635

tetradic

#355EB6 #B6359E #B68D35 #35B64C

square

#355EB6 #B6359E #B68D35 #35B64C

split-complementary

#355EB6 #B64C35 #9EB635

monochromatic

#192D57 #274687 #355EB6 #597FCF #89A3DD

Accessibility & contrast

On white

6.13

#355EB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#355EB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EB6

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EB6	#FFFFFF	#000000	##FFFFFF
##355EB6	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E68B9

Deuteranopia (green-blind)

#095CB4

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #355eb6;
/* rgb */ color: rgb(53, 94, 182);
/* oklch */ color: oklch(50.1% 0.147 263.3);

Tailwind

colors: {
  custom: {
    50: '#7c8bcc',
    500: '#355eb6',
    950: '#000000',
  },
}

SCSS

$custom: #355eb6;
$custom-light: #7c8bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#355eb6",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 182
  },
  "hsl": {
    "h": 220.93,
    "s": 54.894,
    "l": 46.078
  },
  "oklch": {
    "l": 0.50056,
    "c": 0.14697,
    "h": 263.3
  },
  "luminance": 0.1214
}

Semantic roles & 50–950 ramp

primary

#355EB6

secondary

#C7B080

accent

#AF4ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #355EB6

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

Preview Lab → · Contrast checker → · Palette generator →