#353FB8#353FB8

#353FB8 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.2% C 0.188 H 272.3°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#353FB8
RGB	rgb(53, 63, 184)
HSL	hsl(235, 55%, 46%)
HSV	hsv(235, 71%, 72%)
CMYK	cmyk(71.2%, 65.8%, 0%, 27.8%)
CIE-LAB	lab(33.50, 36.72, -64.95)
CIE-LCH	lch(33.50, 74.61, 299.48°)
OKLab	oklab(44.16% 0.0075 -0.1877)
OKLCH	oklch(44.16% 0.188 272.3)
XYZ	xyz(11.8945, 7.7714, 46.2113)
Luminance	0.0777 (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

#353FB8 #B8AE35

analogous

#3581B8 #353FB8 #6D35B8

triadic

#353FB8 #B8353F #3FB835

tetradic

#353FB8 #B83581 #B8AE35 #35B86D

square

#353FB8 #B83581 #B8AE35 #35B86D

split-complementary

#353FB8 #B86D35 #81B835

monochromatic

#1A1E59 #272F88 #353FB8 #5B64D0 #8A90DD

Accessibility & contrast

On white

8.22

#353FB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#353FB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353FB8

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353FB8	#FFFFFF	#000000	##FFFFFF
##353FB8	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BC

Deuteranopia (green-blind)

#0049B6

Tritanopia (blue-blind)

#005F76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #353fb8;
/* rgb */ color: rgb(53, 63, 184);
/* oklch */ color: oklch(44.2% 0.188 272.3);

Tailwind

colors: {
  custom: {
    50: '#7f74ce',
    500: '#353fb8',
    950: '#000000',
  },
}

SCSS

$custom: #353fb8;
$custom-light: #7f74ce;
$custom-dark: #000000;

JSON

{
  "hex": "#353fb8",
  "rgb": {
    "r": 53,
    "g": 63,
    "b": 184
  },
  "hsl": {
    "h": 235.42,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.44164,
    "c": 0.18783,
    "h": 272.3
  },
  "luminance": 0.07773
}

Semantic roles & 50–950 ramp

primary

#353FB8

secondary

#C7C281

accent

#D349DF

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #353FB8

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

Preview Lab → · Contrast checker → · Palette generator →