#3723AA#3723AA

#3723AA is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.8% C 0.199 H 278.4°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#3723AA
RGB	rgb(55, 35, 170)
HSL	hsl(249, 66%, 40%)
HSV	hsv(249, 79%, 67%)
CMYK	cmyk(67.6%, 79.4%, 0%, 33.3%)
CIE-LAB	lab(26.49, 48.31, -68.13)
CIE-LCH	lch(26.49, 83.52, 305.34°)
OKLab	oklab(38.78% 0.0291 -0.1968)
OKLCH	oklch(38.78% 0.199 278.4)
XYZ	xyz(9.4299, 4.9158, 38.4743)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3723AA #96AA23

analogous

#2352AA #3723AA #7B23AA

triadic

#3723AA #AA3723 #23AA37

tetradic

#3723AA #AA2352 #96AA23 #23AA7B

square

#3723AA #AA2352 #96AA23 #23AA7B

split-complementary

#3723AA #AA7B23 #52AA23

monochromatic

#160E44 #271977 #3723AA #4D35D5 #7968E0

Accessibility & contrast

On white

10.59

#3723AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#3723AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3723AA

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3723AA	#FFFFFF	#000000	##FFFFFF
##3723AA	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AE

Deuteranopia (green-blind)

#0039A8

Tritanopia (blue-blind)

#004C66

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3723aa;
/* rgb */ color: rgb(55, 35, 170);
/* oklch */ color: oklch(38.8% 0.199 278.4);

Tailwind

colors: {
  custom: {
    50: '#7f62c5',
    500: '#3723aa',
    950: '#000000',
  },
}

SCSS

$custom: #3723aa;
$custom-light: #7f62c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3723aa",
  "rgb": {
    "r": 55,
    "g": 35,
    "b": 170
  },
  "hsl": {
    "h": 248.889,
    "s": 65.854,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38779,
    "c": 0.19894,
    "h": 278.4
  },
  "luminance": 0.04917
}

Semantic roles & 50–950 ramp

primary

#3723AA

secondary

#B7C663

accent

#E93FD0

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #3723AA

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

Preview Lab → · Contrast checker → · Palette generator →