#353BB5#353BB5

#353BB5 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.2% C 0.189 H 273.2°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#353BB5
RGB	rgb(53, 59, 181)
HSL	hsl(237, 55%, 46%)
HSV	hsv(237, 71%, 71%)
CMYK	cmyk(70.7%, 67.4%, 0%, 29%)
CIE-LAB	lab(32.30, 38.16, -65.14)
CIE-LCH	lch(32.30, 75.50, 300.36°)
OKLab	oklab(43.21% 0.0104 -0.1883)
OKLCH	oklch(43.21% 0.189 273.2)
XYZ	xyz(11.3699, 7.2199, 44.5015)
Luminance	0.0722 (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

#353BB5 #B5AF35

analogous

#357BB5 #353BB5 #6F35B5

triadic

#353BB5 #B5353B #3BB535

tetradic

#353BB5 #B5357B #B5AF35 #35B56F

square

#353BB5 #B5357B #B5AF35 #35B56F

split-complementary

#353BB5 #B56F35 #7BB535

monochromatic

#191C56 #272C86 #353BB5 #595ECE #888CDC

Accessibility & contrast

On white

8.59

#353BB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#353BB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353BB5

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353BB5	#FFFFFF	#000000	##FFFFFF
##353BB5	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B9

Deuteranopia (green-blind)

#0046B3

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #353bb5;
/* rgb */ color: rgb(53, 59, 181);
/* oklch */ color: oklch(43.2% 0.189 273.2);

Tailwind

colors: {
  custom: {
    50: '#7e71cc',
    500: '#353bb5',
    950: '#000000',
  },
}

SCSS

$custom: #353bb5;
$custom-light: #7e71cc;
$custom-dark: #000000;

JSON

{
  "hex": "#353bb5",
  "rgb": {
    "r": 53,
    "g": 59,
    "b": 181
  },
  "hsl": {
    "h": 237.188,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43208,
    "c": 0.18855,
    "h": 273.2
  },
  "luminance": 0.07221
}

Semantic roles & 50–950 ramp

primary

#353BB5

secondary

#C6C380

accent

#D74ADE

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #353BB5

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

Preview Lab → · Contrast checker → · Palette generator →