#355AA3#355AA3

#355AA3 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.9% C 0.125 H 262.4°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#355AA3
RGB	rgb(53, 90, 163)
HSL	hsl(220, 51%, 42%)
HSV	hsv(220, 67%, 64%)
CMYK	cmyk(67.5%, 44.8%, 0%, 36.1%)
CIE-LAB	lab(39.09, 11.49, -43.43)
CIE-LCH	lch(39.09, 44.92, 284.82°)
OKLab	oklab(47.87% -0.0165 -0.1241)
OKLCH	oklch(47.87% 0.125 262.4)
XYZ	xyz(11.7329, 10.7124, 36.0926)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355AA3 #A37E35

analogous

#3591A3 #355AA3 #4735A3

triadic

#355AA3 #A3355A #5AA335

tetradic

#355AA3 #A33591 #A37E35 #35A347

square

#355AA3 #A33591 #A37E35 #35A347

split-complementary

#355AA3 #A34735 #91A335

monochromatic

#172747 #264175 #355AA3 #4F77C6 #7E9BD5

Accessibility & contrast

On white

6.68

#355AA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#355AA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355AA3

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355AA3	#FFFFFF	#000000	##FFFFFF
##355AA3	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3761A6

Deuteranopia (green-blind)

#2457A1

Tritanopia (blue-blind)

#006B76

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #355aa3;
/* rgb */ color: rgb(53, 90, 163);
/* oklch */ color: oklch(47.9% 0.125 262.4);

Tailwind

colors: {
  custom: {
    50: '#7888bf',
    500: '#355aa3',
    950: '#000000',
  },
}

SCSS

$custom: #355aa3;
$custom-light: #7888bf;
$custom-dark: #000000;

JSON

{
  "hex": "#355aa3",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 163
  },
  "hsl": {
    "h": 219.818,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4787,
    "c": 0.12518,
    "h": 262.4
  },
  "luminance": 0.10714
}

Semantic roles & 50–950 ramp

primary

#355AA3

secondary

#BEA676

accent

#AB4DDA

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355AA3

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

Preview Lab → · Contrast checker → · Palette generator →