#355A9A#355A9A

#355A9A is a mid, moderate blue. Relative luminance 0.104; OKLCH L 47.3% C 0.112 H 260.6°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#355A9A
RGB	rgb(53, 90, 154)
HSL	hsl(218, 49%, 41%)
HSV	hsv(218, 66%, 60%)
CMYK	cmyk(65.6%, 41.6%, 0%, 39.6%)
CIE-LAB	lab(38.55, 8.19, -38.91)
CIE-LCH	lch(38.55, 39.76, 281.88°)
OKLab	oklab(47.28% -0.0183 -0.1108)
OKLCH	oklch(47.28% 0.112 260.6)
XYZ	xyz(10.9550, 10.4013, 31.9959)
Luminance	0.1040 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355A9A #9A7535

analogous

#358C9A #355A9A #43359A

triadic

#355A9A #9A355A #5A9A35

tetradic

#355A9A #9A358C #9A7535 #359A43

square

#355A9A #9A358C #9A7535 #359A43

split-complementary

#355A9A #9A4335 #8C9A35

monochromatic

#16253F #253F6C #355A9A #4B76C1 #7999D1

Accessibility & contrast

On white

6.82

#355A9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#355A9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355A9A

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355A9A	#FFFFFF	#000000	##FFFFFF
##355A9A	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D609D

Deuteranopia (green-blind)

#2E5699

Tritanopia (blue-blind)

#006972

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #355a9a;
/* rgb */ color: rgb(53, 90, 154);
/* oklch */ color: oklch(47.3% 0.112 260.6);

Tailwind

colors: {
  custom: {
    50: '#7788b8',
    500: '#355a9a',
    950: '#000000',
  },
}

SCSS

$custom: #355a9a;
$custom-light: #7788b8;
$custom-dark: #000000;

JSON

{
  "hex": "#355a9a",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 154
  },
  "hsl": {
    "h": 218.02,
    "s": 48.792,
    "l": 40.588
  },
  "oklch": {
    "l": 0.4728,
    "c": 0.11232,
    "h": 260.6
  },
  "luminance": 0.10402
}

Semantic roles & 50–950 ramp

primary

#355A9A

secondary

#B99F71

accent

#A64FD8

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #355A9A

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

Preview Lab → · Contrast checker → · Palette generator →