#3724A4#3724A4

#3724A4 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.3% C 0.191 H 279.1°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#3724A4
RGB	rgb(55, 36, 164)
HSL	hsl(249, 64%, 39%)
HSV	hsv(249, 78%, 64%)
CMYK	cmyk(66.5%, 78%, 0%, 35.7%)
CIE-LAB	lab(26.02, 45.97, -65.28)
CIE-LCH	lch(26.02, 79.84, 305.15°)
OKLab	oklab(38.26% 0.0302 -0.1885)
OKLCH	oklch(38.26% 0.191 279.1)
XYZ	xyz(8.9051, 4.7536, 35.5630)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3724A4 #91A424

analogous

#2451A4 #3724A4 #7724A4

triadic

#3724A4 #A43724 #24A437

tetradic

#3724A4 #A42451 #91A424 #24A477

square

#3724A4 #A42451 #91A424 #24A477

split-complementary

#3724A4 #A47724 #51A424

monochromatic

#150E40 #261972 #3724A4 #4B33D2 #7765DD

Accessibility & contrast

On white

10.76

#3724A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3724A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3724A4

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3724A4	#FFFFFF	#000000	##FFFFFF
##3724A4	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A8

Deuteranopia (green-blind)

#0038A2

Tritanopia (blue-blind)

#004A63

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3724a4;
/* rgb */ color: rgb(55, 36, 164);
/* oklch */ color: oklch(38.3% 0.191 279.1);

Tailwind

colors: {
  custom: {
    50: '#7d62c0',
    500: '#3724a4',
    950: '#000000',
  },
}

SCSS

$custom: #3724a4;
$custom-light: #7d62c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3724a4",
  "rgb": {
    "r": 55,
    "g": 36,
    "b": 164
  },
  "hsl": {
    "h": 248.906,
    "s": 64,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38258,
    "c": 0.19092,
    "h": 279.1
  },
  "luminance": 0.04754
}

Semantic roles & 50–950 ramp

primary

#3724A4

secondary

#B4C361

accent

#E741CE

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #3724A4

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

Preview Lab → · Contrast checker → · Palette generator →