#3D43BB#3D43BB

#3D43BB is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.6% C 0.185 H 274.2°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#3D43BB
RGB	rgb(61, 67, 187)
HSL	hsl(237, 51%, 49%)
HSV	hsv(237, 67%, 73%)
CMYK	cmyk(67.4%, 64.2%, 0%, 26.7%)
CIE-LAB	lab(35.19, 36.30, -63.94)
CIE-LCH	lch(35.19, 73.53, 299.58°)
OKLab	oklab(45.61% 0.0134 -0.1845)
OKLCH	oklch(45.61% 0.185 274.2)
XYZ	xyz(12.8983, 8.5931, 47.9830)
Luminance	0.0859 (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

#3D43BB #BBB53D

analogous

#3D82BB #3D43BB #763DBB

triadic

#3D43BB #BB3D43 #43BB3D

tetradic

#3D43BB #BB3D82 #BBB53D #3DBB76

square

#3D43BB #BB3D82 #BBB53D #3DBB76

split-complementary

#3D43BB #BB763D #82BB3D

monochromatic

#1F225F #2E328D #3D43BB #686CCE #9699DD

Accessibility & contrast

On white

7.72

#3D43BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3D43BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D43BB

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D43BB	#FFFFFF	#000000	##FFFFFF
##3D43BB	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BF

Deuteranopia (green-blind)

#004DB9

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3d43bb;
/* rgb */ color: rgb(61, 67, 187);
/* oklch */ color: oklch(45.6% 0.185 274.2);

Tailwind

colors: {
  custom: {
    50: '#8277d0',
    500: '#3d43bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d43bb;
$custom-light: #8277d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d43bb",
  "rgb": {
    "r": 61,
    "g": 67,
    "b": 187
  },
  "hsl": {
    "h": 237.143,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.45605,
    "c": 0.18499,
    "h": 274.2
  },
  "luminance": 0.08594
}

Semantic roles & 50–950 ramp

primary

#3D43BB

secondary

#C8C58C

accent

#D44EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3D43BB

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

Preview Lab → · Contrast checker → · Palette generator →