#3D73CC#3D73CC

#3D73CC is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.4% C 0.149 H 259.9°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3D73CC
RGB	rgb(61, 115, 204)
HSL	hsl(217, 58%, 52%)
HSV	hsv(217, 70%, 80%)
CMYK	cmyk(70.1%, 43.6%, 0%, 20%)
CIE-LAB	lab(49.02, 11.84, -51.42)
CIE-LCH	lch(49.02, 52.77, 282.96°)
OKLab	oklab(56.42% -0.0263 -0.147)
OKLCH	oklch(56.42% 0.149 259.9)
XYZ	xyz(18.9504, 17.6112, 59.5156)
Luminance	0.1761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D73CC #CC963D

analogous

#3DBACC #3D73CC #4F3DCC

triadic

#3D73CC #CC3D73 #73CC3D

tetradic

#3D73CC #CC3DBA #CC963D #3DCC4F

square

#3D73CC #CC3DBA #CC963D #3DCC4F

split-complementary

#3D73CC #CC4F3D #BACC3D

monochromatic

#1E3D71 #2A57A1 #3D73CC #6D96D9 #9EB9E5

Accessibility & contrast

On white

4.64

#3D73CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#3D73CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3D73CC

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D73CC	#FFFFFF	#000000	##FFFFFF
##3D73CC	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#477CCF

Deuteranopia (green-blind)

#2E6ECA

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3d73cc;
/* rgb */ color: rgb(61, 115, 204);
/* oklch */ color: oklch(56.4% 0.149 259.9);

Tailwind

colors: {
  custom: {
    50: '#839adc',
    500: '#3d73cc',
    950: '#000000',
  },
}

SCSS

$custom: #3d73cc;
$custom-light: #839adc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d73cc",
  "rgb": {
    "r": 61,
    "g": 115,
    "b": 204
  },
  "hsl": {
    "h": 217.343,
    "s": 58.367,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56417,
    "c": 0.14937,
    "h": 259.9
  },
  "luminance": 0.17613
}

Semantic roles & 50–950 ramp

primary

#3D73CC

secondary

#D2BA93

accent

#A746E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D73CC

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

Preview Lab → · Contrast checker → · Palette generator →