#355AAD#355AAD

#355AAD is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.6% C 0.139 H 263.9°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#355AAD
RGB	rgb(53, 90, 173)
HSL	hsl(222, 53%, 44%)
HSV	hsv(222, 69%, 68%)
CMYK	cmyk(69.4%, 48%, 0%, 32.2%)
CIE-LAB	lab(39.72, 15.19, -48.35)
CIE-LCH	lch(39.72, 50.68, 287.44°)
OKLab	oklab(48.56% -0.0148 -0.1385)
OKLCH	oklch(48.56% 0.139 263.9)
XYZ	xyz(12.6645, 11.0851, 40.9993)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355AAD #AD8835

analogous

#3596AD #355AAD #4C35AD

triadic

#355AAD #AD355A #5AAD35

tetradic

#355AAD #AD3596 #AD8835 #35AD4C

square

#355AAD #AD3596 #AD8835 #35AD4C

split-complementary

#355AAD #AD4C35 #96AD35

monochromatic

#18294F #27427E #355AAD #5479CB #839ED9

Accessibility & contrast

On white

6.53

#355AAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#355AAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355AAD

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355AAD	#FFFFFF	#000000	##FFFFFF
##355AAD	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E63B0

Deuteranopia (green-blind)

#1158AB

Tritanopia (blue-blind)

#006D7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #355aad;
/* rgb */ color: rgb(53, 90, 173);
/* oklch */ color: oklch(48.6% 0.139 263.9);

Tailwind

colors: {
  custom: {
    50: '#7a88c6',
    500: '#355aad',
    950: '#000000',
  },
}

SCSS

$custom: #355aad;
$custom-light: #7a88c6;
$custom-dark: #000000;

JSON

{
  "hex": "#355aad",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 173
  },
  "hsl": {
    "h": 221.5,
    "s": 53.097,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48558,
    "c": 0.13934,
    "h": 263.9
  },
  "luminance": 0.11086
}

Semantic roles & 50–950 ramp

primary

#355AAD

secondary

#C3AD7B

accent

#B04BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #355AAD

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

Preview Lab → · Contrast checker → · Palette generator →