#3736CB#3736CB

#3736CB is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.7% C 0.221 H 273.2°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#3736CB
RGB	rgb(55, 54, 203)
HSL	hsl(240, 59%, 50%)
HSV	hsv(240, 73%, 80%)
CMYK	cmyk(72.9%, 73.4%, 0%, 20.4%)
CIE-LAB	lab(33.48, 48.69, -76.13)
CIE-LCH	lch(33.48, 90.37, 302.60°)
OKLab	oklab(44.73% 0.0124 -0.2203)
OKLCH	oklch(44.73% 0.221 273.2)
XYZ	xyz(13.6706, 7.7610, 57.2659)
Luminance	0.0776 (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

#3736CB #CACB36

analogous

#367FCB #3736CB #8236CB

triadic

#3736CB #CB3736 #36CB37

tetradic

#3736CB #CB367F #CACB36 #36CB82

square

#3736CB #CB367F #CACB36 #36CB82

split-complementary

#3736CB #CB8236 #7FCB36

monochromatic

#1C1C6B #29289C #3736CB #6767D8 #9897E4

Accessibility & contrast

On white

8.23

#3736CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3736CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3736CB

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3736CB	#FFFFFF	#000000	##FFFFFF
##3736CB	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056CF

Deuteranopia (green-blind)

#0047C8

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3736cb;
/* rgb */ color: rgb(55, 54, 203);
/* oklch */ color: oklch(44.7% 0.221 273.2);

Tailwind

colors: {
  custom: {
    50: '#846fdc',
    500: '#3736cb',
    950: '#000000',
  },
}

SCSS

$custom: #3736cb;
$custom-light: #846fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3736cb",
  "rgb": {
    "r": 55,
    "g": 54,
    "b": 203
  },
  "hsl": {
    "h": 240.403,
    "s": 58.893,
    "l": 50.392
  },
  "oklch": {
    "l": 0.44726,
    "c": 0.22061,
    "h": 273.2
  },
  "luminance": 0.07762
}

Semantic roles & 50–950 ramp

primary

#3736CB

secondary

#CFD08D

accent

#E246E1

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3736CB

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

Preview Lab → · Contrast checker → · Palette generator →