#3D73C1#3D73C1

#3D73C1 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.7% C 0.135 H 257.8°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3D73C1
RGB	rgb(61, 115, 193)
HSL	hsl(215, 52%, 50%)
HSV	hsv(215, 68%, 76%)
CMYK	cmyk(68.4%, 40.4%, 0%, 24.3%)
CIE-LAB	lab(48.39, 7.87, -46.13)
CIE-LCH	lch(48.39, 46.79, 279.68°)
OKLab	oklab(55.72% -0.0285 -0.1315)
OKLCH	oklch(55.72% 0.135 257.8)
XYZ	xyz(17.6774, 17.1020, 52.8111)
Luminance	0.1710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D73C1 #C18B3D

analogous

#3DB5C1 #3D73C1 #493DC1

triadic

#3D73C1 #C13D73 #73C13D

tetradic

#3D73C1 #C13DB5 #C18B3D #3DC149

square

#3D73C1 #C13DB5 #C18B3D #3DC149

split-complementary

#3D73C1 #C1493D #B5C13D

monochromatic

#203C64 #2E5792 #3D73C1 #6B94D0 #99B6DF

Accessibility & contrast

On white

4.75

#3D73C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3D73C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D73C1

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D73C1	#FFFFFF	#000000	##FFFFFF
##3D73C1	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7AC4

Deuteranopia (green-blind)

#3B6DBF

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3d73c1;
/* rgb */ color: rgb(61, 115, 193);
/* oklch */ color: oklch(55.7% 0.135 257.8);

Tailwind

colors: {
  custom: {
    50: '#819ad4',
    500: '#3d73c1',
    950: '#000000',
  },
}

SCSS

$custom: #3d73c1;
$custom-light: #819ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#3d73c1",
  "rgb": {
    "r": 61,
    "g": 115,
    "b": 193
  },
  "hsl": {
    "h": 215.455,
    "s": 51.969,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55722,
    "c": 0.13455,
    "h": 257.8
  },
  "luminance": 0.17104
}

Semantic roles & 50–950 ramp

primary

#3D73C1

secondary

#CBB28F

accent

#A14CDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3D73C1

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

Preview Lab → · Contrast checker → · Palette generator →