#3735B7#3735B7

#3735B7 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.6% C 0.197 H 274.7°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#3735B7
RGB	rgb(55, 53, 183)
HSL	hsl(241, 55%, 46%)
HSV	hsv(241, 71%, 72%)
CMYK	cmyk(69.9%, 71%, 0%, 28.2%)
CIE-LAB	lab(31.29, 42.69, -67.98)
CIE-LCH	lch(31.29, 80.27, 302.12°)
OKLab	oklab(42.57% 0.0163 -0.1965)
OKLCH	oklch(42.57% 0.197 274.7)
XYZ	xyz(11.3931, 6.7763, 45.4981)
Luminance	0.0678 (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

#3735B7 #B5B735

analogous

#3574B7 #3735B7 #7835B7

triadic

#3735B7 #B73735 #35B737

tetradic

#3735B7 #B73574 #B5B735 #35B778

square

#3735B7 #B73574 #B5B735 #35B778

split-complementary

#3735B7 #B77835 #74B735

monochromatic

#1A1A58 #292788 #3735B7 #5C5ACF #8B89DD

Accessibility & contrast

On white

8.92

#3735B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3735B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3735B7

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3735B7	#FFFFFF	#000000	##FFFFFF
##3735B7	1.00	8.92	2.36	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BB

Deuteranopia (green-blind)

#0044B5

Tritanopia (blue-blind)

#005972

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3735b7;
/* rgb */ color: rgb(55, 53, 183);
/* oklch */ color: oklch(42.6% 0.197 274.7);

Tailwind

colors: {
  custom: {
    50: '#806dce',
    500: '#3735b7',
    950: '#000000',
  },
}

SCSS

$custom: #3735b7;
$custom-light: #806dce;
$custom-dark: #000000;

JSON

{
  "hex": "#3735b7",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 183
  },
  "hsl": {
    "h": 240.923,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4257,
    "c": 0.19718,
    "h": 274.7
  },
  "luminance": 0.06777
}

Semantic roles & 50–950 ramp

primary

#3735B7

secondary

#C6C781

accent

#DE49DC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3735B7

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

Preview Lab → · Contrast checker → · Palette generator →