#3B44DD#3B44DD

#3B44DD is a mid, highly saturated blue. Relative luminance 0.103; OKLCH L 48.8% C 0.227 H 271.8°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#3B44DD
RGB	rgb(59, 68, 221)
HSL	hsl(237, 70%, 55%)
HSV	hsv(237, 73%, 87%)
CMYK	cmyk(73.3%, 69.2%, 0%, 13.3%)
CIE-LAB	lab(38.35, 47.01, -78.49)
CIE-LCH	lch(38.35, 91.49, 300.92°)
OKLab	oklab(48.8% 0.0072 -0.2271)
OKLCH	oklch(48.8% 0.227 271.8)
XYZ	xyz(16.9175, 10.2827, 69.4858)
Luminance	0.1028 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B44DD #DDD43B

analogous

#3B95DD #3B44DD #833BDD

triadic

#3B44DD #DD3B44 #44DD3B

tetradic

#3B44DD #DD3B95 #DDD43B #3BDD83

square

#3B44DD #DD3B95 #DDD43B #3BDD83

split-complementary

#3B44DD #DD833B #95DD3B

monochromatic

#171D86 #2029BA #3B44DD #6F76E6 #A3A8EF

Accessibility & contrast

On white

6.87

#3B44DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3B44DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B44DD

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B44DD	#FFFFFF	#000000	##FFFFFF
##3B44DD	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E2

Deuteranopia (green-blind)

#0052DA

Tritanopia (blue-blind)

#006E8B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3b44dd;
/* rgb */ color: rgb(59, 68, 221);
/* oklch */ color: oklch(48.8% 0.227 271.8);

Tailwind

colors: {
  custom: {
    50: '#8979e9',
    500: '#3b44dd',
    950: '#000000',
  },
}

SCSS

$custom: #3b44dd;
$custom-light: #8979e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b44dd",
  "rgb": {
    "r": 59,
    "g": 68,
    "b": 221
  },
  "hsl": {
    "h": 236.667,
    "s": 70.435,
    "l": 54.902
  },
  "oklch": {
    "l": 0.48795,
    "c": 0.22722,
    "h": 271.8
  },
  "luminance": 0.10285
}

Semantic roles & 50–950 ramp

primary

#3B44DD

secondary

#DCD898

accent

#E33BED

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3B44DD

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

Preview Lab → · Contrast checker → · Palette generator →