#3726B2#3726B2

#3726B2 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.0% C 0.206 H 277.1°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#3726B2
RGB	rgb(55, 38, 178)
HSL	hsl(247, 65%, 42%)
HSV	hsv(247, 79%, 70%)
CMYK	cmyk(69.1%, 78.7%, 0%, 30.2%)
CIE-LAB	lab(27.88, 49.27, -70.64)
CIE-LCH	lch(27.88, 86.13, 304.89°)
OKLab	oklab(40% 0.0255 -0.2041)
OKLCH	oklch(40% 0.206 277.1)
XYZ	xyz(10.3019, 5.4119, 42.6125)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3726B2 #A1B226

analogous

#265BB2 #3726B2 #7D26B2

triadic

#3726B2 #B23726 #26B237

tetradic

#3726B2 #B2265B #A1B226 #26B27D

square

#3726B2 #B2265B #A1B226 #26B27D

split-complementary

#3726B2 #B27D26 #5BB226

monochromatic

#18104D #271B80 #3726B2 #513FD6 #7F72E1

Accessibility & contrast

On white

10.08

#3726B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3726B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3726B2

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3726B2	#FFFFFF	#000000	##FFFFFF
##3726B2	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B6

Deuteranopia (green-blind)

#003CB0

Tritanopia (blue-blind)

#00506C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3726b2;
/* rgb */ color: rgb(55, 38, 178);
/* oklch */ color: oklch(40.0% 0.206 277.1);

Tailwind

colors: {
  custom: {
    50: '#8064ca',
    500: '#3726b2',
    950: '#000000',
  },
}

SCSS

$custom: #3726b2;
$custom-light: #8064ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3726b2",
  "rgb": {
    "r": 55,
    "g": 38,
    "b": 178
  },
  "hsl": {
    "h": 247.286,
    "s": 64.815,
    "l": 42.353
  },
  "oklch": {
    "l": 0.40001,
    "c": 0.20572,
    "h": 277.1
  },
  "luminance": 0.05413
}

Semantic roles & 50–950 ramp

primary

#3726B2

secondary

#BDC86C

accent

#E840D3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3726B2

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

Preview Lab → · Contrast checker → · Palette generator →