#353DA8#353DA8

#353DA8 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.4% C 0.169 H 273.4°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#353DA8
RGB	rgb(53, 61, 168)
HSL	hsl(236, 52%, 43%)
HSV	hsv(236, 68%, 66%)
CMYK	cmyk(68.5%, 63.7%, 0%, 34.1%)
CIE-LAB	lab(31.63, 32.34, -58.50)
CIE-LCH	lch(31.63, 66.84, 298.94°)
OKLab	oklab(42.36% 0.01 -0.1688)
OKLCH	oklch(42.36% 0.169 273.4)
XYZ	xyz(10.2025, 6.9206, 37.8363)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353DA8 #A8A035

analogous

#3576A8 #353DA8 #6635A8

triadic

#353DA8 #A8353D #3DA835

tetradic

#353DA8 #A83576 #A8A035 #35A866

square

#353DA8 #A83576 #A8A035 #35A866

split-complementary

#353DA8 #A86635 #76A835

monochromatic

#181B4B #262C79 #353DA8 #525AC8 #8086D7

Accessibility & contrast

On white

8.81

#353DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#353DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353DA8

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353DA8	#FFFFFF	#000000	##FFFFFF
##353DA8	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AB

Deuteranopia (green-blind)

#0045A6

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #353da8;
/* rgb */ color: rgb(53, 61, 168);
/* oklch */ color: oklch(42.4% 0.169 273.4);

Tailwind

colors: {
  custom: {
    50: '#7b72c3',
    500: '#353da8',
    950: '#000000',
  },
}

SCSS

$custom: #353da8;
$custom-light: #7b72c3;
$custom-dark: #000000;

JSON

{
  "hex": "#353da8",
  "rgb": {
    "r": 53,
    "g": 61,
    "b": 168
  },
  "hsl": {
    "h": 235.826,
    "s": 52.036,
    "l": 43.333
  },
  "oklch": {
    "l": 0.4236,
    "c": 0.16907,
    "h": 273.4
  },
  "luminance": 0.06922
}

Semantic roles & 50–950 ramp

primary

#353DA8

secondary

#C0BB78

accent

#D24CDB

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #353DA8

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

Preview Lab → · Contrast checker → · Palette generator →