#353BBC#353BBC

#353BBC is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.9% C 0.197 H 272.8°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#353BBC
RGB	rgb(53, 59, 188)
HSL	hsl(237, 56%, 47%)
HSV	hsv(237, 72%, 74%)
CMYK	cmyk(71.8%, 68.6%, 0%, 26.3%)
CIE-LAB	lab(32.95, 40.58, -68.22)
CIE-LCH	lch(32.95, 79.37, 300.75°)
OKLab	oklab(43.88% 0.0097 -0.1972)
OKLCH	oklch(43.88% 0.197 272.8)
XYZ	xyz(12.1062, 7.5144, 48.3796)
Luminance	0.0752 (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

#353BBC #BCB635

analogous

#357FBC #353BBC #7235BC

triadic

#353BBC #BC353B #3BBC35

tetradic

#353BBC #BC357F #BCB635 #35BC72

square

#353BBC #BC357F #BCB635 #35BC72

split-complementary

#353BBC #BC7235 #7FBC35

monochromatic

#1A1D5D #282C8C #353BBC #5D62D1 #8D90DF

Accessibility & contrast

On white

8.39

#353BBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#353BBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353BBC

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353BBC	#FFFFFF	#000000	##FFFFFF
##353BBC	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C0

Deuteranopia (green-blind)

#0047BA

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #353bbc;
/* rgb */ color: rgb(53, 59, 188);
/* oklch */ color: oklch(43.9% 0.197 272.8);

Tailwind

colors: {
  custom: {
    50: '#8071d1',
    500: '#353bbc',
    950: '#000000',
  },
}

SCSS

$custom: #353bbc;
$custom-light: #8071d1;
$custom-dark: #000000;

JSON

{
  "hex": "#353bbc",
  "rgb": {
    "r": 53,
    "g": 59,
    "b": 188
  },
  "hsl": {
    "h": 237.333,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43875,
    "c": 0.19749,
    "h": 272.8
  },
  "luminance": 0.07516
}

Semantic roles & 50–950 ramp

primary

#353BBC

secondary

#C9C684

accent

#D948DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #353BBC

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

Preview Lab → · Contrast checker → · Palette generator →