#3724A8#3724A8

#3724A8 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.7% C 0.196 H 278.6°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#3724A8
RGB	rgb(55, 36, 168)
HSL	hsl(249, 65%, 40%)
HSV	hsv(249, 79%, 66%)
CMYK	cmyk(67.3%, 78.6%, 0%, 34.1%)
CIE-LAB	lab(26.45, 47.20, -67.00)
CIE-LCH	lch(26.45, 81.95, 305.17°)
OKLab	oklab(38.68% 0.0291 -0.1935)
OKLCH	oklch(38.68% 0.196 278.6)
XYZ	xyz(9.2720, 4.9003, 37.4954)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3724A8 #95A824

analogous

#2453A8 #3724A8 #7924A8

triadic

#3724A8 #A83724 #24A837

tetradic

#3724A8 #A82453 #95A824 #24A879

square

#3724A8 #A82453 #95A824 #24A879

split-complementary

#3724A8 #A87924 #53A824

monochromatic

#160E43 #261976 #3724A8 #4C35D4 #7968DF

Accessibility & contrast

On white

10.60

#3724A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#3724A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3724A8

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3724A8	#FFFFFF	#000000	##FFFFFF
##3724A8	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AC

Deuteranopia (green-blind)

#0039A6

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3724a8;
/* rgb */ color: rgb(55, 36, 168);
/* oklch */ color: oklch(38.7% 0.196 278.6);

Tailwind

colors: {
  custom: {
    50: '#7e62c3',
    500: '#3724a8',
    950: '#000000',
  },
}

SCSS

$custom: #3724a8;
$custom-light: #7e62c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3724a8",
  "rgb": {
    "r": 55,
    "g": 36,
    "b": 168
  },
  "hsl": {
    "h": 248.636,
    "s": 64.706,
    "l": 40
  },
  "oklch": {
    "l": 0.38684,
    "c": 0.19569,
    "h": 278.6
  },
  "luminance": 0.04901
}

Semantic roles & 50–950 ramp

primary

#3724A8

secondary

#B6C463

accent

#E840D0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #3724A8

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

Preview Lab → · Contrast checker → · Palette generator →