#355BA5#355BA5

#355BA5 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.2% C 0.127 H 262.2°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#355BA5
RGB	rgb(53, 91, 165)
HSL	hsl(220, 51%, 43%)
HSV	hsv(220, 68%, 65%)
CMYK	cmyk(67.9%, 44.8%, 0%, 35.3%)
CIE-LAB	lab(39.50, 11.58, -43.96)
CIE-LCH	lch(39.50, 45.46, 284.76°)
OKLab	oklab(48.23% -0.0171 -0.1256)
OKLCH	oklch(48.23% 0.127 262.2)
XYZ	xyz(11.9984, 10.9545, 37.0721)
Luminance	0.1096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BA5 #A57F35

analogous

#3593A5 #355BA5 #4735A5

triadic

#355BA5 #A5355B #5BA535

tetradic

#355BA5 #A53593 #A57F35 #35A547

square

#355BA5 #A53593 #A57F35 #35A547

split-complementary

#355BA5 #A54735 #93A535

monochromatic

#172848 #264177 #355BA5 #5079C7 #7F9CD6

Accessibility & contrast

On white

6.58

#355BA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#355BA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BA5

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BA5	#FFFFFF	#000000	##FFFFFF
##355BA5	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3763A8

Deuteranopia (green-blind)

#2458A3

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #355ba5;
/* rgb */ color: rgb(53, 91, 165);
/* oklch */ color: oklch(48.2% 0.127 262.2);

Tailwind

colors: {
  custom: {
    50: '#7988c0',
    500: '#355ba5',
    950: '#000000',
  },
}

SCSS

$custom: #355ba5;
$custom-light: #7988c0;
$custom-dark: #000000;

JSON

{
  "hex": "#355ba5",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 165
  },
  "hsl": {
    "h": 219.643,
    "s": 51.376,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48227,
    "c": 0.12679,
    "h": 262.2
  },
  "luminance": 0.10956
}

Semantic roles & 50–950 ramp

primary

#355BA5

secondary

#BFA677

accent

#AB4DDB

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355BA5

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

Preview Lab → · Contrast checker → · Palette generator →