#3736CC#3736CC

#3736CC is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.8% C 0.222 H 273.2°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#3736CC
RGB	rgb(55, 54, 204)
HSL	hsl(240, 60%, 51%)
HSV	hsv(240, 74%, 80%)
CMYK	cmyk(73%, 73.5%, 0%, 20%)
CIE-LAB	lab(33.58, 49.02, -76.54)
CIE-LCH	lch(33.58, 90.89, 302.64°)
OKLab	oklab(44.83% 0.0122 -0.2215)
OKLCH	oklch(44.83% 0.222 273.2)
XYZ	xyz(13.7902, 7.8088, 57.8955)
Luminance	0.0781 (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

#3736CC #CBCC36

analogous

#3680CC #3736CC #8236CC

triadic

#3736CC #CC3736 #36CC37

tetradic

#3736CC #CC3680 #CBCC36 #36CC82

square

#3736CC #CC3680 #CBCC36 #36CC82

split-complementary

#3736CC #CC8236 #80CC36

monochromatic

#1C1B6C #29289D #3736CC #6867D8 #9898E5

Accessibility & contrast

On white

8.20

#3736CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3736CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3736CC

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3736CC	#FFFFFF	#000000	##FFFFFF
##3736CC	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056D0

Deuteranopia (green-blind)

#0048C9

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3736cc;
/* rgb */ color: rgb(55, 54, 204);
/* oklch */ color: oklch(44.8% 0.222 273.2);

Tailwind

colors: {
  custom: {
    50: '#856fdd',
    500: '#3736cc',
    950: '#000000',
  },
}

SCSS

$custom: #3736cc;
$custom-light: #856fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3736cc",
  "rgb": {
    "r": 55,
    "g": 54,
    "b": 204
  },
  "hsl": {
    "h": 240.4,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.44828,
    "c": 0.22181,
    "h": 273.2
  },
  "luminance": 0.0781
}

Semantic roles & 50–950 ramp

primary

#3736CC

secondary

#D0D08E

accent

#E345E2

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3736CC

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

Preview Lab → · Contrast checker → · Palette generator →