#355CB4#355CB4

#355CB4 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.5% C 0.147 H 263.9°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#355CB4
RGB	rgb(53, 92, 180)
HSL	hsl(222, 55%, 46%)
HSV	hsv(222, 71%, 71%)
CMYK	cmyk(70.6%, 48.9%, 0%, 29.4%)
CIE-LAB	lab(40.74, 16.49, -50.83)
CIE-LCH	lch(40.74, 53.44, 287.97°)
OKLab	oklab(49.49% -0.0156 -0.1458)
OKLCH	oklch(49.49% 0.147 263.9)
XYZ	xyz(13.5307, 11.7051, 44.7174)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355CB4 #B48D35

analogous

#359BB4 #355CB4 #4E35B4

triadic

#355CB4 #B4355C #5CB435

tetradic

#355CB4 #B4359B #B48D35 #35B44E

square

#355CB4 #B4359B #B48D35 #35B44E

split-complementary

#355CB4 #B44E35 #9BB435

monochromatic

#192C55 #274485 #355CB4 #587CCE #88A1DC

Accessibility & contrast

On white

6.29

#355CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#355CB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CB4

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355CB4	#FFFFFF	#000000	##FFFFFF
##355CB4	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B66B7

Deuteranopia (green-blind)

#045BB2

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #355cb4;
/* rgb */ color: rgb(53, 92, 180);
/* oklch */ color: oklch(49.5% 0.147 263.9);

Tailwind

colors: {
  custom: {
    50: '#7c89cb',
    500: '#355cb4',
    950: '#000000',
  },
}

SCSS

$custom: #355cb4;
$custom-light: #7c89cb;
$custom-dark: #000000;

JSON

{
  "hex": "#355cb4",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 180
  },
  "hsl": {
    "h": 221.575,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.49485,
    "c": 0.14666,
    "h": 263.9
  },
  "luminance": 0.11706
}

Semantic roles & 50–950 ramp

primary

#355CB4

secondary

#C6B07F

accent

#B04ADE

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #355CB4

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

Preview Lab → · Contrast checker → · Palette generator →