#355EA7#355EA7

#355EA7 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.0% C 0.126 H 261.0°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#355EA7
RGB	rgb(53, 94, 167)
HSL	hsl(218, 52%, 43%)
HSV	hsv(218, 68%, 65%)
CMYK	cmyk(68.3%, 43.7%, 0%, 34.5%)
CIE-LAB	lab(40.49, 10.38, -43.56)
CIE-LCH	lch(40.49, 44.78, 283.40°)
OKLab	oklab(49.03% -0.0197 -0.1244)
OKLCH	oklch(49.03% 0.126 261)
XYZ	xyz(12.4435, 11.5511, 38.1255)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EA7 #A77E35

analogous

#3597A7 #355EA7 #4535A7

triadic

#355EA7 #A7355E #5EA735

tetradic

#355EA7 #A73597 #A77E35 #35A745

square

#355EA7 #A73597 #A77E35 #35A745

split-complementary

#355EA7 #A74535 #97A735

monochromatic

#182A4A #264479 #355EA7 #517CC8 #809FD7

Accessibility & contrast

On white

6.34

#355EA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#355EA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EA7

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EA7	#FFFFFF	#000000	##FFFFFF
##355EA7	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B65AA

Deuteranopia (green-blind)

#285BA6

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #355ea7;
/* rgb */ color: rgb(53, 94, 167);
/* oklch */ color: oklch(49.0% 0.126 261.0);

Tailwind

colors: {
  custom: {
    50: '#798bc1',
    500: '#355ea7',
    950: '#000000',
  },
}

SCSS

$custom: #355ea7;
$custom-light: #798bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#355ea7",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 167
  },
  "hsl": {
    "h": 218.421,
    "s": 51.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.49029,
    "c": 0.12597,
    "h": 261
  },
  "luminance": 0.11552
}

Semantic roles & 50–950 ramp

primary

#355EA7

secondary

#C0A678

accent

#A84DDB

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355EA7

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

Preview Lab → · Contrast checker → · Palette generator →