#3724BB#3724BB

#3724BB is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.8% C 0.218 H 276.3°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#3724BB
RGB	rgb(55, 36, 187)
HSL	hsl(248, 68%, 44%)
HSV	hsv(248, 81%, 73%)
CMYK	cmyk(70.6%, 80.7%, 0%, 26.7%)
CIE-LAB	lab(28.54, 52.95, -74.90)
CIE-LCH	lch(28.54, 91.73, 305.26°)
OKLab	oklab(40.75% 0.0239 -0.2165)
OKLCH	oklch(40.75% 0.218 276.3)
XYZ	xyz(11.1731, 5.6608, 47.5079)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3724BB #A8BB24

analogous

#245CBB #3724BB #8224BB

triadic

#3724BB #BB3724 #24BB37

tetradic

#3724BB #BB245C #A8BB24 #24BB82

square

#3724BB #BB245C #A8BB24 #24BB82

split-complementary

#3724BB #BB8224 #5CBB24

monochromatic

#191054 #281A88 #3724BB #5542DB #8375E4

Accessibility & contrast

On white

9.85

#3724BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3724BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3724BB

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3724BB	#FFFFFF	#000000	##FFFFFF
##3724BB	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABF

Deuteranopia (green-blind)

#003DB8

Tritanopia (blue-blind)

#005370

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3724bb;
/* rgb */ color: rgb(55, 36, 187);
/* oklch */ color: oklch(40.8% 0.218 276.3);

Tailwind

colors: {
  custom: {
    50: '#8264d1',
    500: '#3724bb',
    950: '#000000',
  },
}

SCSS

$custom: #3724bb;
$custom-light: #8264d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3724bb",
  "rgb": {
    "r": 55,
    "g": 36,
    "b": 187
  },
  "hsl": {
    "h": 247.55,
    "s": 67.713,
    "l": 43.725
  },
  "oklch": {
    "l": 0.40754,
    "c": 0.21781,
    "h": 276.3
  },
  "luminance": 0.05662
}

Semantic roles & 50–950 ramp

primary

#3724BB

secondary

#C0CC6F

accent

#EB3DD5

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3724BB

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

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