#3726B1#3726B1

#3726B1 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.9% C 0.205 H 277.2°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#3726B1
RGB	rgb(55, 38, 177)
HSL	hsl(247, 65%, 42%)
HSV	hsv(247, 79%, 69%)
CMYK	cmyk(68.9%, 78.5%, 0%, 30.6%)
CIE-LAB	lab(27.77, 48.96, -70.22)
CIE-LCH	lch(27.77, 85.61, 304.88°)
OKLab	oklab(39.89% 0.0257 -0.2029)
OKLCH	oklch(39.89% 0.205 277.2)
XYZ	xyz(10.2019, 5.3719, 42.0857)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3726B1 #A0B126

analogous

#265BB1 #3726B1 #7D26B1

triadic

#3726B1 #B13726 #26B137

tetradic

#3726B1 #B1265B #A0B126 #26B17D

square

#3726B1 #B1265B #A0B126 #26B17D

split-complementary

#3726B1 #B17D26 #5BB126

monochromatic

#18104C #271B7F #3726B1 #513FD6 #7F71E0

Accessibility & contrast

On white

10.12

#3726B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3726B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3726B1

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3726B1	#FFFFFF	#000000	##FFFFFF
##3726B1	1.00	10.12	2.07	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B5

Deuteranopia (green-blind)

#003CAF

Tritanopia (blue-blind)

#00506B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3726b1;
/* rgb */ color: rgb(55, 38, 177);
/* oklch */ color: oklch(39.9% 0.205 277.2);

Tailwind

colors: {
  custom: {
    50: '#8064ca',
    500: '#3726b1',
    950: '#000000',
  },
}

SCSS

$custom: #3726b1;
$custom-light: #8064ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3726b1",
  "rgb": {
    "r": 55,
    "g": 38,
    "b": 177
  },
  "hsl": {
    "h": 247.338,
    "s": 64.651,
    "l": 42.157
  },
  "oklch": {
    "l": 0.39894,
    "c": 0.20454,
    "h": 277.2
  },
  "luminance": 0.05373
}

Semantic roles & 50–950 ramp

primary

#3726B1

secondary

#BCC76B

accent

#E840D3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3726B1

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

Preview Lab → · Contrast checker → · Palette generator →