#3735BD#3735BD

#3735BD is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.2% C 0.205 H 274.3°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#3735BD
RGB	rgb(55, 53, 189)
HSL	hsl(241, 56%, 47%)
HSV	hsv(241, 72%, 74%)
CMYK	cmyk(70.9%, 72%, 0%, 25.9%)
CIE-LAB	lab(31.88, 44.68, -70.57)
CIE-LCH	lch(31.88, 83.52, 302.34°)
OKLab	oklab(43.17% 0.0153 -0.204)
OKLCH	oklch(43.17% 0.205 274.3)
XYZ	xyz(12.0309, 7.0314, 48.8574)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.86

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3735BD #BBBD35

analogous

#3577BD #3735BD #7B35BD

triadic

#3735BD #BD3735 #35BD37

tetradic

#3735BD #BD3577 #BBBD35 #35BD7B

square

#3735BD #BD3577 #BBBD35 #35BD7B

split-complementary

#3735BD #BD7B35 #77BD35

monochromatic

#1B1A5D #29288D #3735BD #5F5DD2 #8E8DDF

Accessibility & contrast

On white

8.73

#3735BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3735BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3735BD

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3735BD	#FFFFFF	#000000	##FFFFFF
##3735BD	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C1

Deuteranopia (green-blind)

#0045BB

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3735bd;
/* rgb */ color: rgb(55, 53, 189);
/* oklch */ color: oklch(43.2% 0.205 274.3);

Tailwind

colors: {
  custom: {
    50: '#816ed2',
    500: '#3735bd',
    950: '#000000',
  },
}

SCSS

$custom: #3735bd;
$custom-light: #816ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#3735bd",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 189
  },
  "hsl": {
    "h": 240.882,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43166,
    "c": 0.20462,
    "h": 274.3
  },
  "luminance": 0.07033
}

Semantic roles & 50–950 ramp

primary

#3735BD

secondary

#C9CA84

accent

#DF48DD

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3735BD

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

Preview Lab → · Contrast checker → · Palette generator →