#3735BC#3735BC

#3735BC is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.1% C 0.203 H 274.4°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#3735BC
RGB	rgb(55, 53, 188)
HSL	hsl(241, 56%, 47%)
HSV	hsv(241, 72%, 74%)
CMYK	cmyk(70.7%, 71.8%, 0%, 26.3%)
CIE-LAB	lab(31.78, 44.35, -70.14)
CIE-LCH	lch(31.78, 82.98, 302.30°)
OKLab	oklab(43.07% 0.0155 -0.2028)
OKLCH	oklch(43.07% 0.203 274.4)
XYZ	xyz(11.9227, 6.9881, 48.2877)
Luminance	0.0699 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.77

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3735BC #BABC35

analogous

#3576BC #3735BC #7B35BC

triadic

#3735BC #BC3735 #35BC37

tetradic

#3735BC #BC3576 #BABC35 #35BC7B

square

#3735BC #BC3576 #BABC35 #35BC7B

split-complementary

#3735BC #BC7B35 #76BC35

monochromatic

#1B1A5D #29288C #3735BC #5F5DD1 #8E8DDF

Accessibility & contrast

On white

8.76

#3735BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3735BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3735BC

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3735BC	#FFFFFF	#000000	##FFFFFF
##3735BC	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C0

Deuteranopia (green-blind)

#0044BA

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3735bc;
/* rgb */ color: rgb(55, 53, 188);
/* oklch */ color: oklch(43.1% 0.203 274.4);

Tailwind

colors: {
  custom: {
    50: '#816ed1',
    500: '#3735bc',
    950: '#000000',
  },
}

SCSS

$custom: #3735bc;
$custom-light: #816ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#3735bc",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 188
  },
  "hsl": {
    "h": 240.889,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43066,
    "c": 0.20339,
    "h": 274.4
  },
  "luminance": 0.06989
}

Semantic roles & 50–950 ramp

primary

#3735BC

secondary

#C8C984

accent

#DF48DD

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3735BC

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

Preview Lab → · Contrast checker → · Palette generator →