#3736BC#3736BC

#3736BC is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.2% C 0.202 H 274.2°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#3736BC
RGB	rgb(55, 54, 188)
HSL	hsl(240, 55%, 47%)
HSV	hsv(240, 71%, 74%)
CMYK	cmyk(70.7%, 71.3%, 0%, 26.3%)
CIE-LAB	lab(31.99, 43.77, -69.80)
CIE-LCH	lch(31.99, 82.38, 302.09°)
OKLab	oklab(43.22% 0.0149 -0.2018)
OKLCH	oklch(43.22% 0.202 274.2)
XYZ	xyz(11.9688, 7.0802, 48.3031)
Luminance	0.0708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.67

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3736BC #BBBC36

analogous

#3678BC #3736BC #7A36BC

triadic

#3736BC #BC3736 #36BC37

tetradic

#3736BC #BC3678 #BBBC36 #36BC7A

square

#3736BC #BC3678 #BBBC36 #36BC7A

split-complementary

#3736BC #BC7A36 #78BC36

monochromatic

#1B1B5D #29288C #3736BC #5F5ED1 #8E8EDF

Accessibility & contrast

On white

8.69

#3736BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3736BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3736BC

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3736BC	#FFFFFF	#000000	##FFFFFF
##3736BC	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C0

Deuteranopia (green-blind)

#0045BA

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3736bc;
/* rgb */ color: rgb(55, 54, 188);
/* oklch */ color: oklch(43.2% 0.202 274.2);

Tailwind

colors: {
  custom: {
    50: '#816ed1',
    500: '#3736bc',
    950: '#000000',
  },
}

SCSS

$custom: #3736bc;
$custom-light: #816ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#3736bc",
  "rgb": {
    "r": 55,
    "g": 54,
    "b": 188
  },
  "hsl": {
    "h": 240.448,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43216,
    "c": 0.20235,
    "h": 274.2
  },
  "luminance": 0.07081
}

Semantic roles & 50–950 ramp

primary

#3736BC

secondary

#C9C985

accent

#DF49DE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3736BC

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

Preview Lab → · Contrast checker → · Palette generator →