#3D45BB#3D45BB

#3D45BB is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.0% C 0.183 H 273.7°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#3D45BB
RGB	rgb(61, 69, 187)
HSL	hsl(236, 51%, 49%)
HSV	hsv(236, 67%, 73%)
CMYK	cmyk(67.4%, 63.1%, 0%, 26.7%)
CIE-LAB	lab(35.66, 35.05, -63.16)
CIE-LCH	lch(35.66, 72.24, 299.03°)
OKLab	oklab(45.95% 0.0119 -0.1822)
OKLCH	oklch(45.95% 0.183 273.7)
XYZ	xyz(13.0192, 8.8350, 48.0233)
Luminance	0.0884 (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

#3D45BB #BBB33D

analogous

#3D84BB #3D45BB #743DBB

triadic

#3D45BB #BB3D45 #45BB3D

tetradic

#3D45BB #BB3D84 #BBB33D #3DBB74

square

#3D45BB #BB3D84 #BBB33D #3DBB74

split-complementary

#3D45BB #BB743D #84BB3D

monochromatic

#1F235F #2E348D #3D45BB #686ECE #969ADD

Accessibility & contrast

On white

7.59

#3D45BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3D45BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D45BB

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D45BB	#FFFFFF	#000000	##FFFFFF
##3D45BB	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABF

Deuteranopia (green-blind)

#004EB9

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3d45bb;
/* rgb */ color: rgb(61, 69, 187);
/* oklch */ color: oklch(46.0% 0.183 273.7);

Tailwind

colors: {
  custom: {
    50: '#8279d0',
    500: '#3d45bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d45bb;
$custom-light: #8279d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d45bb",
  "rgb": {
    "r": 61,
    "g": 69,
    "b": 187
  },
  "hsl": {
    "h": 236.19,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.45953,
    "c": 0.18259,
    "h": 273.7
  },
  "luminance": 0.08836
}

Semantic roles & 50–950 ramp

primary

#3D45BB

secondary

#C8C48C

accent

#D14EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3D45BB

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

Preview Lab → · Contrast checker → · Palette generator →