#353F8A#353F8A

#353F8A is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.2% C 0.124 H 273.7°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#353F8A
RGB	rgb(53, 63, 138)
HSL	hsl(233, 45%, 37%)
HSV	hsv(233, 62%, 54%)
CMYK	cmyk(61.6%, 54.3%, 0%, 45.9%)
CIE-LAB	lab(29.78, 20.25, -43.23)
CIE-LCH	lch(29.78, 47.74, 295.10°)
OKLab	oklab(40.24% 0.0081 -0.1239)
OKLCH	oklch(40.24% 0.124 273.7)
XYZ	xyz(7.8316, 6.1463, 24.8135)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353F8A #8A8035

analogous

#356A8A #353F8A #55358A

triadic

#353F8A #8A353F #3F8A35

tetradic

#353F8A #8A356A #8A8035 #358A55

square

#353F8A #8A356A #8A8035 #358A55

split-complementary

#353F8A #8A5535 #6A8A35

monochromatic

#131732 #242B5E #353F8A #4653B6 #717BC8

Accessibility & contrast

On white

9.42

#353F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#353F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353F8A

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353F8A	#FFFFFF	#000000	##FFFFFF
##353F8A	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114A8D

Deuteranopia (green-blind)

#004388

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #353f8a;
/* rgb */ color: rgb(53, 63, 138);
/* oklch */ color: oklch(40.2% 0.124 273.7);

Tailwind

colors: {
  custom: {
    50: '#7573ad',
    500: '#353f8a',
    950: '#000000',
  },
}

SCSS

$custom: #353f8a;
$custom-light: #7573ad;
$custom-dark: #000000;

JSON

{
  "hex": "#353f8a",
  "rgb": {
    "r": 53,
    "g": 63,
    "b": 138
  },
  "hsl": {
    "h": 232.941,
    "s": 44.503,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40245,
    "c": 0.12417,
    "h": 273.7
  },
  "luminance": 0.06147
}

Semantic roles & 50–950 ramp

primary

#353F8A

secondary

#B1A86A

accent

#C554D4

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #353F8A

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

Preview Lab → · Contrast checker → · Palette generator →