#3724A6#3724A6

#3724A6 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.5% C 0.193 H 278.8°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#3724A6
RGB	rgb(55, 36, 166)
HSL	hsl(249, 64%, 40%)
HSV	hsv(249, 78%, 65%)
CMYK	cmyk(66.9%, 78.3%, 0%, 34.9%)
CIE-LAB	lab(26.23, 46.58, -66.14)
CIE-LCH	lch(26.23, 80.90, 305.16°)
OKLab	oklab(38.47% 0.0297 -0.191)
OKLCH	oklch(38.47% 0.193 278.8)
XYZ	xyz(9.0871, 4.8264, 36.5217)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3724A6 #93A624

analogous

#2452A6 #3724A6 #7824A6

triadic

#3724A6 #A63724 #24A637

tetradic

#3724A6 #A62452 #93A624 #24A678

square

#3724A6 #A62452 #93A624 #24A678

split-complementary

#3724A6 #A67824 #52A624

monochromatic

#160E41 #261974 #3724A6 #4B34D3 #7866DE

Accessibility & contrast

On white

10.68

#3724A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#3724A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3724A6

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3724A6	#FFFFFF	#000000	##FFFFFF
##3724A6	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AA

Deuteranopia (green-blind)

#0039A4

Tritanopia (blue-blind)

#004B64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3724a6;
/* rgb */ color: rgb(55, 36, 166);
/* oklch */ color: oklch(38.5% 0.193 278.8);

Tailwind

colors: {
  custom: {
    50: '#7e62c2',
    500: '#3724a6',
    950: '#000000',
  },
}

SCSS

$custom: #3724a6;
$custom-light: #7e62c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3724a6",
  "rgb": {
    "r": 55,
    "g": 36,
    "b": 166
  },
  "hsl": {
    "h": 248.769,
    "s": 64.356,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38471,
    "c": 0.19331,
    "h": 278.8
  },
  "luminance": 0.04827
}

Semantic roles & 50–950 ramp

primary

#3724A6

secondary

#B5C462

accent

#E740CF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #3724A6

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

Preview Lab → · Contrast checker → · Palette generator →