#353DB5#353DB5

#353DB5 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.5% C 0.186 H 272.8°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#353DB5
RGB	rgb(53, 61, 181)
HSL	hsl(236, 55%, 46%)
HSV	hsv(236, 71%, 71%)
CMYK	cmyk(70.7%, 66.3%, 0%, 29%)
CIE-LAB	lab(32.77, 36.92, -64.38)
CIE-LCH	lch(32.77, 74.22, 299.83°)
OKLab	oklab(43.55% 0.0091 -0.186)
OKLCH	oklch(43.55% 0.186 272.8)
XYZ	xyz(11.4746, 7.4294, 44.5364)
Luminance	0.0743 (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

#353DB5 #B5AD35

analogous

#357DB5 #353DB5 #6D35B5

triadic

#353DB5 #B5353D #3DB535

tetradic

#353DB5 #B5357D #B5AD35 #35B56D

square

#353DB5 #B5357D #B5AD35 #35B56D

split-complementary

#353DB5 #B56D35 #7DB535

monochromatic

#191D56 #272D86 #353DB5 #5960CE #888DDC

Accessibility & contrast

On white

8.45

#353DB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#353DB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353DB5

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353DB5	#FFFFFF	#000000	##FFFFFF
##353DB5	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0047B3

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #353db5;
/* rgb */ color: rgb(53, 61, 181);
/* oklch */ color: oklch(43.5% 0.186 272.8);

Tailwind

colors: {
  custom: {
    50: '#7e73cc',
    500: '#353db5',
    950: '#000000',
  },
}

SCSS

$custom: #353db5;
$custom-light: #7e73cc;
$custom-dark: #000000;

JSON

{
  "hex": "#353db5",
  "rgb": {
    "r": 53,
    "g": 61,
    "b": 181
  },
  "hsl": {
    "h": 236.25,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43545,
    "c": 0.18625,
    "h": 272.8
  },
  "luminance": 0.07431
}

Semantic roles & 50–950 ramp

primary

#353DB5

secondary

#C6C280

accent

#D54ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #353DB5

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

Preview Lab → · Contrast checker → · Palette generator →