#3D73CF#3D73CF

#3D73CF is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.6% C 0.153 H 260.3°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3D73CF
RGB	rgb(61, 115, 207)
HSL	hsl(218, 60%, 53%)
HSV	hsv(218, 71%, 81%)
CMYK	cmyk(70.5%, 44.4%, 0%, 18.8%)
CIE-LAB	lab(49.20, 12.92, -52.85)
CIE-LCH	lch(49.20, 54.40, 283.74°)
OKLab	oklab(56.61% -0.0257 -0.1512)
OKLCH	oklch(56.61% 0.153 260.3)
XYZ	xyz(19.3136, 17.7565, 61.4289)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D73CF #CF993D

analogous

#3DBCCF #3D73CF #503DCF

triadic

#3D73CF #CF3D73 #73CF3D

tetradic

#3D73CF #CF3DBC #CF993D #3DCF50

square

#3D73CF #CF3DBC #CF993D #3DCF50

split-complementary

#3D73CF #CF503D #BCCF3D

monochromatic

#1D3D75 #2957A6 #3D73CF #6E96DB #9FBAE7

Accessibility & contrast

On white

4.61

#3D73CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3D73CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3D73CF

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D73CF	#FFFFFF	#000000	##FFFFFF
##3D73CF	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457CD3

Deuteranopia (green-blind)

#296FCD

Tritanopia (blue-blind)

#008897

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3d73cf;
/* rgb */ color: rgb(61, 115, 207);
/* oklch */ color: oklch(56.6% 0.153 260.3);

Tailwind

colors: {
  custom: {
    50: '#849ade',
    500: '#3d73cf',
    950: '#000000',
  },
}

SCSS

$custom: #3d73cf;
$custom-light: #849ade;
$custom-dark: #000000;

JSON

{
  "hex": "#3d73cf",
  "rgb": {
    "r": 61,
    "g": 115,
    "b": 207
  },
  "hsl": {
    "h": 217.808,
    "s": 60.331,
    "l": 52.549
  },
  "oklch": {
    "l": 0.56612,
    "c": 0.15342,
    "h": 260.3
  },
  "luminance": 0.17759
}

Semantic roles & 50–950 ramp

primary

#3D73CF

secondary

#D4BC94

accent

#A944E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D73CF

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

Preview Lab → · Contrast checker → · Palette generator →