#3726B3#3726B3

#3726B3 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.1% C 0.207 H 277.0°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#3726B3
RGB	rgb(55, 38, 179)
HSL	hsl(247, 65%, 43%)
HSV	hsv(247, 79%, 70%)
CMYK	cmyk(69.3%, 78.8%, 0%, 29.8%)
CIE-LAB	lab(27.99, 49.57, -71.06)
CIE-LCH	lch(27.99, 86.64, 304.90°)
OKLab	oklab(40.11% 0.0252 -0.2053)
OKLCH	oklch(40.11% 0.207 277)
XYZ	xyz(10.4027, 5.4522, 43.1432)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3726B3 #A2B326

analogous

#265CB3 #3726B3 #7D26B3

triadic

#3726B3 #B33726 #26B337

tetradic

#3726B3 #B3265C #A2B326 #26B37D

square

#3726B3 #B3265C #A2B326 #26B37D

split-complementary

#3726B3 #B37D26 #5CB326

monochromatic

#18114E #271B81 #3726B3 #5240D6 #8072E1

Accessibility & contrast

On white

10.04

#3726B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3726B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3726B3

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3726B3	#FFFFFF	#000000	##FFFFFF
##3726B3	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B7

Deuteranopia (green-blind)

#003CB1

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3726b3;
/* rgb */ color: rgb(55, 38, 179);
/* oklch */ color: oklch(40.1% 0.207 277.0);

Tailwind

colors: {
  custom: {
    50: '#8064cb',
    500: '#3726b3',
    950: '#000000',
  },
}

SCSS

$custom: #3726b3;
$custom-light: #8064cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3726b3",
  "rgb": {
    "r": 55,
    "g": 38,
    "b": 179
  },
  "hsl": {
    "h": 247.234,
    "s": 64.977,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40109,
    "c": 0.20689,
    "h": 277
  },
  "luminance": 0.05453
}

Semantic roles & 50–950 ramp

primary

#3726B3

secondary

#BDC86D

accent

#E840D4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3726B3

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

Preview Lab → · Contrast checker → · Palette generator →