#3729DE#3729DE

#3729DE is a mid, highly saturated blue. Relative luminance 0.077; OKLCH L 45.2% C 0.253 H 273.0°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#3729DE
RGB	rgb(55, 41, 222)
HSL	hsl(245, 73%, 52%)
HSV	hsv(245, 82%, 87%)
CMYK	cmyk(75.2%, 81.5%, 0%, 12.9%)
CIE-LAB	lab(33.29, 61.01, -87.43)
CIE-LCH	lch(33.29, 106.62, 304.91°)
OKLab	oklab(45.19% 0.0131 -0.2529)
OKLCH	oklch(45.19% 0.253 273)
XYZ	xyz(15.5489, 7.6704, 69.7541)
Luminance	0.0767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3729DE #D0DE29

analogous

#2976DE #3729DE #9229DE

triadic

#3729DE #DE3729 #29DE37

tetradic

#3729DE #DE2976 #D0DE29 #29DE92

square

#3729DE #DE2976 #D0DE29 #29DE92

split-complementary

#3729DE #DE9229 #76DE29

monochromatic

#1B137A #261BAF #3729DE #695EE6 #9A93EE

Accessibility & contrast

On white

8.29

#3729DE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3729DE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3729DE

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3729DE	#FFFFFF	#000000	##FFFFFF
##3729DE	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057E3

Deuteranopia (green-blind)

#0045DB

Tritanopia (blue-blind)

#006386

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3729de;
/* rgb */ color: rgb(55, 41, 222);
/* oklch */ color: oklch(45.2% 0.253 273.0);

Tailwind

colors: {
  custom: {
    50: '#8a69ea',
    500: '#3729de',
    950: '#000000',
  },
}

SCSS

$custom: #3729de;
$custom-light: #8a69ea;
$custom-dark: #000000;

JSON

{
  "hex": "#3729de",
  "rgb": {
    "r": 55,
    "g": 41,
    "b": 222
  },
  "hsl": {
    "h": 244.641,
    "s": 73.279,
    "l": 51.569
  },
  "oklch": {
    "l": 0.45191,
    "c": 0.25326,
    "h": 273
  },
  "luminance": 0.07672
}

Semantic roles & 50–950 ramp

primary

#3729DE

secondary

#D3D98A

accent

#F038E2

background

#F9F6FE

surface

#F2EBFD

border

#CCC6D5

text

#0E0716

muted

#7E7A84

Preview Lab

Preview with #3729DE

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

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