#3726B7#3726B7

#3726B7 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.5% C 0.212 H 276.6°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#3726B7
RGB	rgb(55, 38, 183)
HSL	hsl(247, 66%, 43%)
HSV	hsv(247, 79%, 72%)
CMYK	cmyk(69.9%, 79.2%, 0%, 28.2%)
CIE-LAB	lab(28.42, 50.79, -72.72)
CIE-LCH	lch(28.42, 88.70, 304.93°)
OKLab	oklab(40.54% 0.0242 -0.2102)
OKLCH	oklch(40.54% 0.212 276.6)
XYZ	xyz(10.8131, 5.6164, 45.3048)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3726B7 #A6B726

analogous

#265EB7 #3726B7 #7F26B7

triadic

#3726B7 #B73726 #26B737

tetradic

#3726B7 #B7265E #A6B726 #26B77F

square

#3726B7 #B7265E #A6B726 #26B77F

split-complementary

#3726B7 #B77F26 #5EB726

monochromatic

#191152 #281B84 #3726B7 #5442D8 #8275E2

Accessibility & contrast

On white

9.89

#3726B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3726B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3726B7

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3726B7	#FFFFFF	#000000	##FFFFFF
##3726B7	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BB

Deuteranopia (green-blind)

#003DB4

Tritanopia (blue-blind)

#00526F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3726b7;
/* rgb */ color: rgb(55, 38, 183);
/* oklch */ color: oklch(40.5% 0.212 276.6);

Tailwind

colors: {
  custom: {
    50: '#8164ce',
    500: '#3726b7',
    950: '#000000',
  },
}

SCSS

$custom: #3726b7;
$custom-light: #8164ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3726b7",
  "rgb": {
    "r": 55,
    "g": 38,
    "b": 183
  },
  "hsl": {
    "h": 247.034,
    "s": 65.611,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40542,
    "c": 0.21156,
    "h": 276.6
  },
  "luminance": 0.05617
}

Semantic roles & 50–950 ramp

primary

#3726B7

secondary

#BFCA6F

accent

#E93FD5

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3726B7

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

Preview Lab → · Contrast checker → · Palette generator →