#3724AA#3724AA

#3724AA is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.9% C 0.198 H 278.3°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#3724AA
RGB	rgb(55, 36, 170)
HSL	hsl(249, 65%, 40%)
HSV	hsv(249, 79%, 67%)
CMYK	cmyk(67.6%, 78.8%, 0%, 33.3%)
CIE-LAB	lab(26.66, 47.81, -67.85)
CIE-LCH	lch(26.66, 83.00, 305.17°)
OKLab	oklab(38.9% 0.0286 -0.196)
OKLCH	oklch(38.9% 0.198 278.3)
XYZ	xyz(9.4598, 4.9754, 38.4843)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3724AA #97AA24

analogous

#2454AA #3724AA #7A24AA

triadic

#3724AA #AA3724 #24AA37

tetradic

#3724AA #AA2454 #97AA24 #24AA7A

square

#3724AA #AA2454 #97AA24 #24AA7A

split-complementary

#3724AA #AA7A24 #54AA24

monochromatic

#160F45 #271977 #3724AA #4D37D5 #7A69DF

Accessibility & contrast

On white

10.53

#3724AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#3724AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3724AA

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3724AA	#FFFFFF	#000000	##FFFFFF
##3724AA	1.00	10.53	2.00	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AE

Deuteranopia (green-blind)

#003AA8

Tritanopia (blue-blind)

#004C67

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3724aa;
/* rgb */ color: rgb(55, 36, 170);
/* oklch */ color: oklch(38.9% 0.198 278.3);

Tailwind

colors: {
  custom: {
    50: '#7f63c5',
    500: '#3724aa',
    950: '#000000',
  },
}

SCSS

$custom: #3724aa;
$custom-light: #7f63c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3724aa",
  "rgb": {
    "r": 55,
    "g": 36,
    "b": 170
  },
  "hsl": {
    "h": 248.507,
    "s": 65.049,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38899,
    "c": 0.19805,
    "h": 278.3
  },
  "luminance": 0.04976
}

Semantic roles & 50–950 ramp

primary

#3724AA

secondary

#B8C565

accent

#E840D0

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #3724AA

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

Preview Lab → · Contrast checker → · Palette generator →