#353DAB#353DAB

#353DAB is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.6% C 0.173 H 273.3°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#353DAB
RGB	rgb(53, 61, 171)
HSL	hsl(236, 53%, 44%)
HSV	hsv(236, 69%, 67%)
CMYK	cmyk(69%, 64.3%, 0%, 32.9%)
CIE-LAB	lab(31.88, 33.41, -59.87)
CIE-LCH	lch(31.88, 68.56, 299.16°)
OKLab	oklab(42.63% 0.0099 -0.1728)
OKLCH	oklch(42.63% 0.173 273.3)
XYZ	xyz(10.4852, 7.0337, 39.3252)
Luminance	0.0703 (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

#353DAB #ABA335

analogous

#3578AB #353DAB #6835AB

triadic

#353DAB #AB353D #3DAB35

tetradic

#353DAB #AB3578 #ABA335 #35AB68

square

#353DAB #AB3578 #ABA335 #35AB68

split-complementary

#353DAB #AB6835 #78AB35

monochromatic

#181C4E #272C7C #353DAB #535BCA #8288D8

Accessibility & contrast

On white

8.72

#353DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#353DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353DAB

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353DAB	#FFFFFF	#000000	##FFFFFF
##353DAB	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AF

Deuteranopia (green-blind)

#0046A9

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #353dab;
/* rgb */ color: rgb(53, 61, 171);
/* oklch */ color: oklch(42.6% 0.173 273.3);

Tailwind

colors: {
  custom: {
    50: '#7c72c5',
    500: '#353dab',
    950: '#000000',
  },
}

SCSS

$custom: #353dab;
$custom-light: #7c72c5;
$custom-dark: #000000;

JSON

{
  "hex": "#353dab",
  "rgb": {
    "r": 53,
    "g": 61,
    "b": 171
  },
  "hsl": {
    "h": 235.932,
    "s": 52.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42629,
    "c": 0.17309,
    "h": 273.3
  },
  "luminance": 0.07035
}

Semantic roles & 50–950 ramp

primary

#353DAB

secondary

#C2BD7A

accent

#D24CDC

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #353DAB

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

Preview Lab → · Contrast checker → · Palette generator →