#355FB2#355FB2

#355FB2 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.0% C 0.140 H 262.3°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#355FB2
RGB	rgb(53, 95, 178)
HSL	hsl(220, 54%, 45%)
HSV	hsv(220, 70%, 70%)
CMYK	cmyk(70.2%, 46.6%, 0%, 30.2%)
CIE-LAB	lab(41.46, 13.80, -48.50)
CIE-LCH	lch(41.46, 50.43, 285.89°)
OKLab	oklab(49.99% -0.0187 -0.1389)
OKLCH	oklch(49.99% 0.14 262.3)
XYZ	xyz(13.5934, 12.1543, 43.7405)
Luminance	0.1216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FB2 #B28835

analogous

#359DB2 #355FB2 #4935B2

triadic

#355FB2 #B2355F #5FB235

tetradic

#355FB2 #B2359D #B28835 #35B249

square

#355FB2 #B2359D #B28835 #35B249

split-complementary

#355FB2 #B24935 #9DB235

monochromatic

#192D54 #274683 #355FB2 #577FCD #86A3DB

Accessibility & contrast

On white

6.12

#355FB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#355FB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FB2

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FB2	#FFFFFF	#000000	##FFFFFF
##355FB2	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3468B5

Deuteranopia (green-blind)

#1A5CB0

Tritanopia (blue-blind)

#007280

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #355fb2;
/* rgb */ color: rgb(53, 95, 178);
/* oklch */ color: oklch(50.0% 0.140 262.3);

Tailwind

colors: {
  custom: {
    50: '#7b8bc9',
    500: '#355fb2',
    950: '#000000',
  },
}

SCSS

$custom: #355fb2;
$custom-light: #7b8bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#355fb2",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 178
  },
  "hsl": {
    "h": 219.84,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49993,
    "c": 0.14018,
    "h": 262.3
  },
  "luminance": 0.12156
}

Semantic roles & 50–950 ramp

primary

#355FB2

secondary

#C5AD7E

accent

#AC4ADD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #355FB2

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

Preview Lab → · Contrast checker → · Palette generator →