#353FB5#353FB5

#353FB5 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.184 H 272.4°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#353FB5
RGB	rgb(53, 63, 181)
HSL	hsl(235, 55%, 46%)
HSV	hsv(235, 71%, 71%)
CMYK	cmyk(70.7%, 65.2%, 0%, 29%)
CIE-LAB	lab(33.24, 35.67, -63.61)
CIE-LCH	lch(33.24, 72.93, 299.28°)
OKLab	oklab(43.89% 0.0077 -0.1838)
OKLCH	oklch(43.89% 0.184 272.4)
XYZ	xyz(11.5834, 7.6470, 44.5727)
Luminance	0.0765 (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

#353FB5 #B5AB35

analogous

#357FB5 #353FB5 #6B35B5

triadic

#353FB5 #B5353F #3FB535

tetradic

#353FB5 #B5357F #B5AB35 #35B56B

square

#353FB5 #B5357F #B5AB35 #35B56B

split-complementary

#353FB5 #B56B35 #7FB535

monochromatic

#191E56 #272F86 #353FB5 #5962CE #888FDC

Accessibility & contrast

On white

8.30

#353FB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#353FB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353FB5

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353FB5	#FFFFFF	#000000	##FFFFFF
##353FB5	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B9

Deuteranopia (green-blind)

#0048B3

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #353fb5;
/* rgb */ color: rgb(53, 63, 181);
/* oklch */ color: oklch(43.9% 0.184 272.4);

Tailwind

colors: {
  custom: {
    50: '#7e74cc',
    500: '#353fb5',
    950: '#000000',
  },
}

SCSS

$custom: #353fb5;
$custom-light: #7e74cc;
$custom-dark: #000000;

JSON

{
  "hex": "#353fb5",
  "rgb": {
    "r": 53,
    "g": 63,
    "b": 181
  },
  "hsl": {
    "h": 235.313,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43888,
    "c": 0.18392,
    "h": 272.4
  },
  "luminance": 0.07648
}

Semantic roles & 50–950 ramp

primary

#353FB5

secondary

#C6C180

accent

#D24ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #353FB5

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

Preview Lab → · Contrast checker → · Palette generator →