#355FA5#355FA5

#355FA5 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.1% C 0.122 H 260.0°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#355FA5
RGB	rgb(53, 95, 165)
HSL	hsl(218, 51%, 43%)
HSV	hsv(218, 68%, 65%)
CMYK	cmyk(67.9%, 42.4%, 0%, 35.3%)
CIE-LAB	lab(40.67, 9.00, -42.10)
CIE-LCH	lch(40.67, 43.05, 282.06°)
OKLab	oklab(49.12% -0.0211 -0.1201)
OKLCH	oklch(49.12% 0.122 260)
XYZ	xyz(12.3495, 11.6567, 37.1892)
Luminance	0.1166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FA5 #A57B35

analogous

#3597A5 #355FA5 #4335A5

triadic

#355FA5 #A5355F #5FA535

tetradic

#355FA5 #A53597 #A57B35 #35A543

square

#355FA5 #A53597 #A57B35 #35A543

split-complementary

#355FA5 #A54335 #97A535

monochromatic

#172A48 #264477 #355FA5 #507DC7 #7F9FD6

Accessibility & contrast

On white

6.30

#355FA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#355FA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FA5

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FA5	#FFFFFF	#000000	##FFFFFF
##355FA5	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E65A8

Deuteranopia (green-blind)

#2D5BA4

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #355fa5;
/* rgb */ color: rgb(53, 95, 165);
/* oklch */ color: oklch(49.1% 0.122 260.0);

Tailwind

colors: {
  custom: {
    50: '#798bc0',
    500: '#355fa5',
    950: '#000000',
  },
}

SCSS

$custom: #355fa5;
$custom-light: #798bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#355fa5",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 165
  },
  "hsl": {
    "h": 217.5,
    "s": 51.376,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49123,
    "c": 0.12196,
    "h": 260
  },
  "luminance": 0.11658
}

Semantic roles & 50–950 ramp

primary

#355FA5

secondary

#BFA477

accent

#A64DDB

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #355FA5

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

Preview Lab → · Contrast checker → · Palette generator →