#3724A5#3724A5

#3724A5 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.4% C 0.192 H 279.0°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#3724A5
RGB	rgb(55, 36, 165)
HSL	hsl(249, 64%, 39%)
HSV	hsv(249, 78%, 65%)
CMYK	cmyk(66.7%, 78.2%, 0%, 35.3%)
CIE-LAB	lab(26.13, 46.28, -65.71)
CIE-LCH	lch(26.13, 80.37, 305.15°)
OKLab	oklab(38.36% 0.0299 -0.1898)
OKLCH	oklch(38.36% 0.192 279)
XYZ	xyz(8.9958, 4.7898, 36.0405)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3724A5 #92A524

analogous

#2452A5 #3724A5 #7824A5

triadic

#3724A5 #A53724 #24A537

tetradic

#3724A5 #A52452 #92A524 #24A578

square

#3724A5 #A52452 #92A524 #24A578

split-complementary

#3724A5 #A57824 #52A524

monochromatic

#160E41 #261973 #3724A5 #4B34D3 #7766DE

Accessibility & contrast

On white

10.72

#3724A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3724A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3724A5

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3724A5	#FFFFFF	#000000	##FFFFFF
##3724A5	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A9

Deuteranopia (green-blind)

#0039A3

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3724a5;
/* rgb */ color: rgb(55, 36, 165);
/* oklch */ color: oklch(38.4% 0.192 279.0);

Tailwind

colors: {
  custom: {
    50: '#7e62c1',
    500: '#3724a5',
    950: '#000000',
  },
}

SCSS

$custom: #3724a5;
$custom-light: #7e62c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3724a5",
  "rgb": {
    "r": 55,
    "g": 36,
    "b": 165
  },
  "hsl": {
    "h": 248.837,
    "s": 64.179,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38364,
    "c": 0.19212,
    "h": 279
  },
  "luminance": 0.04791
}

Semantic roles & 50–950 ramp

primary

#3724A5

secondary

#B5C362

accent

#E741CF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #3724A5

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

Preview Lab → · Contrast checker → · Palette generator →