#3736B5#3736B5

#3736B5 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.5% C 0.194 H 274.7°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#3736B5
RGB	rgb(55, 54, 181)
HSL	hsl(240, 54%, 46%)
HSV	hsv(240, 70%, 71%)
CMYK	cmyk(69.6%, 70.2%, 0%, 29%)
CIE-LAB	lab(31.31, 41.43, -66.76)
CIE-LCH	lch(31.31, 78.57, 301.82°)
OKLab	oklab(42.53% 0.016 -0.1929)
OKLCH	oklch(42.53% 0.194 274.7)
XYZ	xyz(11.2324, 6.7857, 44.4249)
Luminance	0.0679 (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

#3736B5 #B4B536

analogous

#3674B5 #3736B5 #7636B5

triadic

#3736B5 #B53736 #36B537

tetradic

#3736B5 #B53674 #B4B536 #36B576

square

#3736B5 #B53674 #B4B536 #36B576

split-complementary

#3736B5 #B57636 #74B536

monochromatic

#1A1A57 #292886 #3736B5 #5B5ACE #8A89DC

Accessibility & contrast

On white

8.91

#3736B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3736B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3736B5

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3736B5	#FFFFFF	#000000	##FFFFFF
##3736B5	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B9

Deuteranopia (green-blind)

#0044B3

Tritanopia (blue-blind)

#005971

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3736b5;
/* rgb */ color: rgb(55, 54, 181);
/* oklch */ color: oklch(42.5% 0.194 274.7);

Tailwind

colors: {
  custom: {
    50: '#7f6ecc',
    500: '#3736b5',
    950: '#000000',
  },
}

SCSS

$custom: #3736b5;
$custom-light: #7f6ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#3736b5",
  "rgb": {
    "r": 55,
    "g": 54,
    "b": 181
  },
  "hsl": {
    "h": 240.472,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42528,
    "c": 0.1936,
    "h": 274.7
  },
  "luminance": 0.06787
}

Semantic roles & 50–950 ramp

primary

#3736B5

secondary

#C6C681

accent

#DD4ADC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3736B5

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

Preview Lab → · Contrast checker → · Palette generator →