#3736BA#3736BA

#3736BA is a dark, vivid blue. Relative luminance 0.070; OKLCH L 43.0% C 0.200 H 274.4°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#3736BA
RGB	rgb(55, 54, 186)
HSL	hsl(240, 55%, 47%)
HSV	hsv(240, 71%, 73%)
CMYK	cmyk(70.4%, 71%, 0%, 27.1%)
CIE-LAB	lab(31.79, 43.10, -68.93)
CIE-LCH	lch(31.79, 81.30, 302.02°)
OKLab	oklab(43.02% 0.0152 -0.1993)
OKLCH	oklch(43.02% 0.2 274.4)
XYZ	xyz(11.7547, 6.9946, 47.1755)
Luminance	0.0700 (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

#3736BA #B9BA36

analogous

#3677BA #3736BA #7936BA

triadic

#3736BA #BA3736 #36BA37

tetradic

#3736BA #BA3677 #B9BA36 #36BA79

square

#3736BA #BA3677 #B9BA36 #36BA79

split-complementary

#3736BA #BA7936 #77BA36

monochromatic

#1B1A5B #29288B #3736BA #5E5DD0 #8D8DDE

Accessibility & contrast

On white

8.75

#3736BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3736BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3736BA

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3736BA	#FFFFFF	#000000	##FFFFFF
##3736BA	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BE

Deuteranopia (green-blind)

#0045B8

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3736ba;
/* rgb */ color: rgb(55, 54, 186);
/* oklch */ color: oklch(43.0% 0.200 274.4);

Tailwind

colors: {
  custom: {
    50: '#816ed0',
    500: '#3736ba',
    950: '#000000',
  },
}

SCSS

$custom: #3736ba;
$custom-light: #816ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3736ba",
  "rgb": {
    "r": 55,
    "g": 54,
    "b": 186
  },
  "hsl": {
    "h": 240.455,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43018,
    "c": 0.19986,
    "h": 274.4
  },
  "luminance": 0.06996
}

Semantic roles & 50–950 ramp

primary

#3736BA

secondary

#C8C884

accent

#DE49DD

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3736BA

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

Preview Lab → · Contrast checker → · Palette generator →