#3735B5#3735B5

#3735B5 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.4% C 0.195 H 274.9°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#3735B5
RGB	rgb(55, 53, 181)
HSL	hsl(241, 55%, 46%)
HSV	hsv(241, 71%, 71%)
CMYK	cmyk(69.6%, 70.7%, 0%, 29%)
CIE-LAB	lab(31.10, 42.02, -67.12)
CIE-LCH	lch(31.10, 79.18, 302.05°)
OKLab	oklab(42.37% 0.0166 -0.194)
OKLCH	oklch(42.37% 0.195 274.9)
XYZ	xyz(11.1864, 6.6936, 44.4096)
Luminance	0.0669 (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

#3735B5 #B3B535

analogous

#3573B5 #3735B5 #7735B5

triadic

#3735B5 #B53735 #35B537

tetradic

#3735B5 #B53573 #B3B535 #35B577

square

#3735B5 #B53573 #B3B535 #35B577

split-complementary

#3735B5 #B57735 #73B535

monochromatic

#1A1956 #292786 #3735B5 #5B59CE #8A88DC

Accessibility & contrast

On white

8.98

#3735B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3735B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3735B5

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3735B5	#FFFFFF	#000000	##FFFFFF
##3735B5	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB9

Deuteranopia (green-blind)

#0043B3

Tritanopia (blue-blind)

#005871

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3735b5;
/* rgb */ color: rgb(55, 53, 181);
/* oklch */ color: oklch(42.4% 0.195 274.9);

Tailwind

colors: {
  custom: {
    50: '#806dcc',
    500: '#3735b5',
    950: '#000000',
  },
}

SCSS

$custom: #3735b5;
$custom-light: #806dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3735b5",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 181
  },
  "hsl": {
    "h": 240.938,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42373,
    "c": 0.19468,
    "h": 274.9
  },
  "luminance": 0.06695
}

Semantic roles & 50–950 ramp

primary

#3735B5

secondary

#C5C680

accent

#DE4ADC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3735B5

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

Preview Lab → · Contrast checker → · Palette generator →