#3735B8#3735B8

#3735B8 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.7% C 0.198 H 274.7°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#3735B8
RGB	rgb(55, 53, 184)
HSL	hsl(241, 55%, 46%)
HSV	hsv(241, 71%, 72%)
CMYK	cmyk(70.1%, 71.2%, 0%, 27.8%)
CIE-LAB	lab(31.39, 43.02, -68.42)
CIE-LCH	lch(31.39, 80.82, 302.16°)
OKLab	oklab(42.67% 0.0161 -0.1978)
OKLCH	oklch(42.67% 0.198 274.7)
XYZ	xyz(11.4975, 6.8180, 46.0482)
Luminance	0.0682 (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

#3735B8 #B6B835

analogous

#3575B8 #3735B8 #7935B8

triadic

#3735B8 #B83735 #35B837

tetradic

#3735B8 #B83575 #B6B835 #35B879

square

#3735B8 #B83575 #B6B835 #35B879

split-complementary

#3735B8 #B87935 #75B835

monochromatic

#1B1A59 #292788 #3735B8 #5C5BD0 #8B8ADD

Accessibility & contrast

On white

8.88

#3735B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3735B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3735B8

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3735B8	#FFFFFF	#000000	##FFFFFF
##3735B8	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BC

Deuteranopia (green-blind)

#0044B6

Tritanopia (blue-blind)

#005973

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3735b8;
/* rgb */ color: rgb(55, 53, 184);
/* oklch */ color: oklch(42.7% 0.198 274.7);

Tailwind

colors: {
  custom: {
    50: '#806dcf',
    500: '#3735b8',
    950: '#000000',
  },
}

SCSS

$custom: #3735b8;
$custom-light: #806dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3735b8",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 184
  },
  "hsl": {
    "h": 240.916,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.42669,
    "c": 0.19844,
    "h": 274.7
  },
  "luminance": 0.06819
}

Semantic roles & 50–950 ramp

primary

#3735B8

secondary

#C6C781

accent

#DF49DC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3735B8

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

Preview Lab → · Contrast checker → · Palette generator →