#3724A3#3724A3

#3724A3 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 38.2% C 0.190 H 279.2°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#3724A3
RGB	rgb(55, 36, 163)
HSL	hsl(249, 64%, 39%)
HSV	hsv(249, 78%, 64%)
CMYK	cmyk(66.3%, 77.9%, 0%, 36.1%)
CIE-LAB	lab(25.91, 45.66, -64.85)
CIE-LCH	lch(25.91, 79.31, 305.15°)
OKLab	oklab(38.15% 0.0305 -0.1873)
OKLCH	oklch(38.15% 0.19 279.2)
XYZ	xyz(8.8152, 4.7176, 35.0893)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3724A3 #90A324

analogous

#2451A3 #3724A3 #7724A3

triadic

#3724A3 #A33724 #24A337

tetradic

#3724A3 #A32451 #90A324 #24A377

square

#3724A3 #A32451 #90A324 #24A377

split-complementary

#3724A3 #A37724 #51A324

monochromatic

#150E3F #261971 #3724A3 #4A32D2 #7765DD

Accessibility & contrast

On white

10.80

#3724A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#3724A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3724A3

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3724A3	#FFFFFF	#000000	##FFFFFF
##3724A3	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A7

Deuteranopia (green-blind)

#0038A1

Tritanopia (blue-blind)

#004963

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3724a3;
/* rgb */ color: rgb(55, 36, 163);
/* oklch */ color: oklch(38.2% 0.190 279.2);

Tailwind

colors: {
  custom: {
    50: '#7d62bf',
    500: '#3724a3',
    950: '#000000',
  },
}

SCSS

$custom: #3724a3;
$custom-light: #7d62bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3724a3",
  "rgb": {
    "r": 55,
    "g": 36,
    "b": 163
  },
  "hsl": {
    "h": 248.976,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38152,
    "c": 0.18973,
    "h": 279.2
  },
  "luminance": 0.04718
}

Semantic roles & 50–950 ramp

primary

#3724A3

secondary

#B4C260

accent

#E741CE

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #3724A3

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

Preview Lab → · Contrast checker → · Palette generator →