#3D44BB#3D44BB

#3D44BB is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.8% C 0.184 H 273.9°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#3D44BB
RGB	rgb(61, 68, 187)
HSL	hsl(237, 51%, 49%)
HSV	hsv(237, 67%, 73%)
CMYK	cmyk(67.4%, 63.6%, 0%, 26.7%)
CIE-LAB	lab(35.43, 35.68, -63.55)
CIE-LCH	lch(35.43, 72.88, 299.31°)
OKLab	oklab(45.78% 0.0126 -0.1834)
OKLCH	oklch(45.78% 0.184 273.9)
XYZ	xyz(12.9583, 8.7130, 48.0030)
Luminance	0.0871 (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

#3D44BB #BBB43D

analogous

#3D83BB #3D44BB #753DBB

triadic

#3D44BB #BB3D44 #44BB3D

tetradic

#3D44BB #BB3D83 #BBB43D #3DBB75

square

#3D44BB #BB3D83 #BBB43D #3DBB75

split-complementary

#3D44BB #BB753D #83BB3D

monochromatic

#1F225F #2E338D #3D44BB #686DCE #969ADD

Accessibility & contrast

On white

7.66

#3D44BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3D44BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D44BB

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D44BB	#FFFFFF	#000000	##FFFFFF
##3D44BB	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BF

Deuteranopia (green-blind)

#004EB9

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3d44bb;
/* rgb */ color: rgb(61, 68, 187);
/* oklch */ color: oklch(45.8% 0.184 273.9);

Tailwind

colors: {
  custom: {
    50: '#8278d0',
    500: '#3d44bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d44bb;
$custom-light: #8278d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d44bb",
  "rgb": {
    "r": 61,
    "g": 68,
    "b": 187
  },
  "hsl": {
    "h": 236.667,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.45778,
    "c": 0.18378,
    "h": 273.9
  },
  "luminance": 0.08714
}

Semantic roles & 50–950 ramp

primary

#3D44BB

secondary

#C8C58C

accent

#D24EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3D44BB

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

Preview Lab → · Contrast checker → · Palette generator →