#3735BA#3735BA

#3735BA is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 42.9% C 0.201 H 274.5°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#3735BA
RGB	rgb(55, 53, 186)
HSL	hsl(241, 56%, 47%)
HSV	hsv(241, 72%, 73%)
CMYK	cmyk(70.4%, 71.5%, 0%, 27.1%)
CIE-LAB	lab(31.58, 43.68, -69.28)
CIE-LCH	lch(31.58, 81.90, 302.23°)
OKLab	oklab(42.87% 0.0158 -0.2003)
OKLCH	oklch(42.87% 0.201 274.5)
XYZ	xyz(11.7086, 6.9025, 47.1601)
Luminance	0.0690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.58

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3735BA #B8BA35

analogous

#3576BA #3735BA #7A35BA

triadic

#3735BA #BA3735 #35BA37

tetradic

#3735BA #BA3576 #B8BA35 #35BA7A

square

#3735BA #BA3576 #B8BA35 #35BA7A

split-complementary

#3735BA #BA7A35 #76BA35

monochromatic

#1B1A5B #29278A #3735BA #5D5CD0 #8D8BDE

Accessibility & contrast

On white

8.82

#3735BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3735BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3735BA

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3735BA	#FFFFFF	#000000	##FFFFFF
##3735BA	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BE

Deuteranopia (green-blind)

#0044B8

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3735ba;
/* rgb */ color: rgb(55, 53, 186);
/* oklch */ color: oklch(42.9% 0.201 274.5);

Tailwind

colors: {
  custom: {
    50: '#816ed0',
    500: '#3735ba',
    950: '#000000',
  },
}

SCSS

$custom: #3735ba;
$custom-light: #816ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3735ba",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 186
  },
  "hsl": {
    "h": 240.902,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42867,
    "c": 0.20091,
    "h": 274.5
  },
  "luminance": 0.06904
}

Semantic roles & 50–950 ramp

primary

#3735BA

secondary

#C7C882

accent

#DF49DD

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3735BA

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

Preview Lab → · Contrast checker → · Palette generator →