#3735BF#3735BF

#3735BF is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.4% C 0.207 H 274.2°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#3735BF
RGB	rgb(55, 53, 191)
HSL	hsl(241, 57%, 48%)
HSV	hsv(241, 72%, 75%)
CMYK	cmyk(71.2%, 72.3%, 0%, 25.1%)
CIE-LAB	lab(32.08, 45.34, -71.42)
CIE-LCH	lch(32.08, 84.59, 302.41°)
OKLab	oklab(43.37% 0.015 -0.2065)
OKLCH	oklch(43.37% 0.207 274.2)
XYZ	xyz(12.2495, 7.1188, 50.0086)
Luminance	0.0712 (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

#3735BF #BDBF35

analogous

#3578BF #3735BF #7C35BF

triadic

#3735BF #BF3735 #35BF37

tetradic

#3735BF #BF3578 #BDBF35 #35BF7C

square

#3735BF #BF3578 #BDBF35 #35BF7C

split-complementary

#3735BF #BF7C35 #78BF35

monochromatic

#1B1A5F #29288F #3735BF #605FD3 #908FE0

Accessibility & contrast

On white

8.66

#3735BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3735BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3735BF

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3735BF	#FFFFFF	#000000	##FFFFFF
##3735BF	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C3

Deuteranopia (green-blind)

#0045BC

Tritanopia (blue-blind)

#005C77

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3735bf;
/* rgb */ color: rgb(55, 53, 191);
/* oklch */ color: oklch(43.4% 0.207 274.2);

Tailwind

colors: {
  custom: {
    50: '#826ed4',
    500: '#3735bf',
    950: '#000000',
  },
}

SCSS

$custom: #3735bf;
$custom-light: #826ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#3735bf",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 191
  },
  "hsl": {
    "h": 240.87,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43367,
    "c": 0.20707,
    "h": 274.2
  },
  "luminance": 0.0712
}

Semantic roles & 50–950 ramp

primary

#3735BF

secondary

#C9CA85

accent

#E048DE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3735BF

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

Preview Lab → · Contrast checker → · Palette generator →