#353FAB#353FAB

#353FAB is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.171 H 272.8°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#353FAB
RGB	rgb(53, 63, 171)
HSL	hsl(235, 53%, 44%)
HSV	hsv(235, 69%, 67%)
CMYK	cmyk(69%, 63.2%, 0%, 32.9%)
CIE-LAB	lab(32.37, 32.13, -59.07)
CIE-LCH	lch(32.37, 67.24, 298.54°)
OKLab	oklab(42.99% 0.0083 -0.1704)
OKLCH	oklch(42.99% 0.171 272.8)
XYZ	xyz(10.5939, 7.2512, 39.3615)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.05

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353FAB #ABA135

analogous

#357AAB #353FAB #6635AB

triadic

#353FAB #AB353F #3FAB35

tetradic

#353FAB #AB357A #ABA135 #35AB66

square

#353FAB #AB357A #ABA135 #35AB66

split-complementary

#353FAB #AB6635 #7AAB35

monochromatic

#181D4E #272E7C #353FAB #535DCA #8289D8

Accessibility & contrast

On white

8.57

#353FAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#353FAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353FAB

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353FAB	#FFFFFF	#000000	##FFFFFF
##353FAB	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AE

Deuteranopia (green-blind)

#0047A9

Tritanopia (blue-blind)

#005B6F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #353fab;
/* rgb */ color: rgb(53, 63, 171);
/* oklch */ color: oklch(43.0% 0.171 272.8);

Tailwind

colors: {
  custom: {
    50: '#7c74c5',
    500: '#353fab',
    950: '#000000',
  },
}

SCSS

$custom: #353fab;
$custom-light: #7c74c5;
$custom-dark: #000000;

JSON

{
  "hex": "#353fab",
  "rgb": {
    "r": 53,
    "g": 63,
    "b": 171
  },
  "hsl": {
    "h": 234.915,
    "s": 52.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42988,
    "c": 0.17065,
    "h": 272.8
  },
  "luminance": 0.07252
}

Semantic roles & 50–950 ramp

primary

#353FAB

secondary

#C2BC7A

accent

#D04CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #353FAB

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

Preview Lab → · Contrast checker → · Palette generator →