#3D73D1#3D73D1

#3D73D1 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.7% C 0.156 H 260.6°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3D73D1
RGB	rgb(61, 115, 209)
HSL	hsl(218, 62%, 53%)
HSV	hsv(218, 71%, 82%)
CMYK	cmyk(70.8%, 45%, 0%, 18%)
CIE-LAB	lab(49.32, 13.65, -53.79)
CIE-LCH	lch(49.32, 55.50, 284.23°)
OKLab	oklab(56.74% -0.0254 -0.154)
OKLCH	oklch(56.74% 0.156 260.6)
XYZ	xyz(19.5597, 17.8549, 62.7248)
Luminance	0.1786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D73D1 #D19B3D

analogous

#3DBDD1 #3D73D1 #513DD1

triadic

#3D73D1 #D13D73 #73D13D

tetradic

#3D73D1 #D13DBD #D19B3D #3DD151

square

#3D73D1 #D13DBD #D19B3D #3DD151

split-complementary

#3D73D1 #D1513D #BDD13D

monochromatic

#1C3D77 #2857A9 #3D73D1 #6E97DD #A0BAE8

Accessibility & contrast

On white

4.59

#3D73D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#3D73D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3D73D1

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D73D1	#FFFFFF	#000000	##FFFFFF
##3D73D1	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#437DD5

Deuteranopia (green-blind)

#266FCF

Tritanopia (blue-blind)

#008998

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3d73d1;
/* rgb */ color: rgb(61, 115, 209);
/* oklch */ color: oklch(56.7% 0.156 260.6);

Tailwind

colors: {
  custom: {
    50: '#849ae0',
    500: '#3d73d1',
    950: '#000000',
  },
}

SCSS

$custom: #3d73d1;
$custom-light: #849ae0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d73d1",
  "rgb": {
    "r": 61,
    "g": 115,
    "b": 209
  },
  "hsl": {
    "h": 218.108,
    "s": 61.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56744,
    "c": 0.1561,
    "h": 260.6
  },
  "luminance": 0.17857
}

Semantic roles & 50–950 ramp

primary

#3D73D1

secondary

#D5BE95

accent

#AA43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D73D1

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

Preview Lab → · Contrast checker → · Palette generator →