#3723BD#3723BD

#3723BD is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.9% C 0.221 H 276.2°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#3723BD
RGB	rgb(55, 35, 189)
HSL	hsl(248, 69%, 44%)
HSV	hsv(248, 81%, 74%)
CMYK	cmyk(70.9%, 81.5%, 0%, 25.9%)
CIE-LAB	lab(28.61, 54.00, -75.97)
CIE-LCH	lch(28.61, 93.21, 305.41°)
OKLab	oklab(40.87% 0.0238 -0.2196)
OKLCH	oklch(40.87% 0.221 276.2)
XYZ	xyz(11.3589, 5.6873, 48.6334)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3723BD #A9BD23

analogous

#235CBD #3723BD #8423BD

triadic

#3723BD #BD3723 #23BD37

tetradic

#3723BD #BD235C #A9BD23 #23BD84

square

#3723BD #BD235C #A9BD23 #23BD84

split-complementary

#3723BD #BD8423 #5CBD23

monochromatic

#191056 #281989 #3723BD #5541DC #8475E5

Accessibility & contrast

On white

9.82

#3723BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3723BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3723BD

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3723BD	#FFFFFF	#000000	##FFFFFF
##3723BD	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC1

Deuteranopia (green-blind)

#003DBA

Tritanopia (blue-blind)

#005471

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3723bd;
/* rgb */ color: rgb(55, 35, 189);
/* oklch */ color: oklch(40.9% 0.221 276.2);

Tailwind

colors: {
  custom: {
    50: '#8363d2',
    500: '#3723bd',
    950: '#000000',
  },
}

SCSS

$custom: #3723bd;
$custom-light: #8363d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3723bd",
  "rgb": {
    "r": 55,
    "g": 35,
    "b": 189
  },
  "hsl": {
    "h": 247.792,
    "s": 68.75,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40868,
    "c": 0.22085,
    "h": 276.2
  },
  "luminance": 0.05688
}

Semantic roles & 50–950 ramp

primary

#3723BD

secondary

#C0CD6F

accent

#EC3CD5

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3723BD

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

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