#3726B4#3726B4

#3726B4 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.2% C 0.208 H 276.9°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#3726B4
RGB	rgb(55, 38, 180)
HSL	hsl(247, 65%, 43%)
HSV	hsv(247, 79%, 71%)
CMYK	cmyk(69.4%, 78.9%, 0%, 29.4%)
CIE-LAB	lab(28.09, 49.88, -71.48)
CIE-LCH	lch(28.09, 87.16, 304.91°)
OKLab	oklab(40.22% 0.0249 -0.2066)
OKLCH	oklch(40.22% 0.208 276.9)
XYZ	xyz(10.5042, 5.4928, 43.6778)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3726B4 #A3B426

analogous

#265CB4 #3726B4 #7E26B4

triadic

#3726B4 #B43726 #26B437

tetradic

#3726B4 #B4265C #A3B426 #26B47E

square

#3726B4 #B4265C #A3B426 #26B47E

split-complementary

#3726B4 #B47E26 #5CB426

monochromatic

#18114F #281B81 #3726B4 #5240D7 #8073E1

Accessibility & contrast

On white

10.01

#3726B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3726B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3726B4

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3726B4	#FFFFFF	#000000	##FFFFFF
##3726B4	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B8

Deuteranopia (green-blind)

#003CB2

Tritanopia (blue-blind)

#00516D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3726b4;
/* rgb */ color: rgb(55, 38, 180);
/* oklch */ color: oklch(40.2% 0.208 276.9);

Tailwind

colors: {
  custom: {
    50: '#8164cc',
    500: '#3726b4',
    950: '#000000',
  },
}

SCSS

$custom: #3726b4;
$custom-light: #8164cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3726b4",
  "rgb": {
    "r": 55,
    "g": 38,
    "b": 180
  },
  "hsl": {
    "h": 247.183,
    "s": 65.138,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40217,
    "c": 0.20807,
    "h": 276.9
  },
  "luminance": 0.05494
}

Semantic roles & 50–950 ramp

primary

#3726B4

secondary

#BEC96D

accent

#E840D4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3726B4

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

Preview Lab → · Contrast checker → · Palette generator →