#353CB9#353CB9

#353CB9 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.8% C 0.193 H 272.8°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#353CB9
RGB	rgb(53, 60, 185)
HSL	hsl(237, 55%, 47%)
HSV	hsv(237, 71%, 73%)
CMYK	cmyk(71.4%, 67.6%, 0%, 27.5%)
CIE-LAB	lab(32.90, 38.93, -66.53)
CIE-LCH	lch(32.90, 77.09, 300.33°)
OKLab	oklab(43.75% 0.0094 -0.1923)
OKLCH	oklch(43.75% 0.193 272.8)
XYZ	xyz(11.8381, 7.4902, 46.7114)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353CB9 #B9B235

analogous

#357EB9 #353CB9 #7035B9

triadic

#353CB9 #B9353C #3CB935

tetradic

#353CB9 #B9357E #B9B235 #35B970

square

#353CB9 #B9357E #B9B235 #35B970

split-complementary

#353CB9 #B97035 #7EB935

monochromatic

#1A1D5A #272D89 #353CB9 #5B61D0 #8B8FDE

Accessibility & contrast

On white

8.41

#353CB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#353CB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353CB9

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353CB9	#FFFFFF	#000000	##FFFFFF
##353CB9	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BD

Deuteranopia (green-blind)

#0047B7

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #353cb9;
/* rgb */ color: rgb(53, 60, 185);
/* oklch */ color: oklch(43.8% 0.193 272.8);

Tailwind

colors: {
  custom: {
    50: '#7f72cf',
    500: '#353cb9',
    950: '#000000',
  },
}

SCSS

$custom: #353cb9;
$custom-light: #7f72cf;
$custom-dark: #000000;

JSON

{
  "hex": "#353cb9",
  "rgb": {
    "r": 53,
    "g": 60,
    "b": 185
  },
  "hsl": {
    "h": 236.818,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43752,
    "c": 0.19255,
    "h": 272.8
  },
  "luminance": 0.07491
}

Semantic roles & 50–950 ramp

primary

#353CB9

secondary

#C8C482

accent

#D749DF

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #353CB9

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

Preview Lab → · Contrast checker → · Palette generator →