#3C73CC#3C73CC

#3C73CC is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.4% C 0.150 H 259.6°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3C73CC
RGB	rgb(60, 115, 204)
HSL	hsl(217, 59%, 52%)
HSV	hsv(217, 71%, 80%)
CMYK	cmyk(70.6%, 43.6%, 0%, 20%)
CIE-LAB	lab(48.98, 11.69, -51.48)
CIE-LCH	lch(48.98, 52.79, 282.79°)
OKLab	oklab(56.38% -0.027 -0.1472)
OKLCH	oklch(56.38% 0.15 259.6)
XYZ	xyz(18.8894, 17.5798, 59.5128)
Luminance	0.1758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C73CC #CC953C

analogous

#3CBBCC #3C73CC #4D3CCC

triadic

#3C73CC #CC3C73 #73CC3C

tetradic

#3C73CC #CC3CBB #CC953C #3CCC4D

square

#3C73CC #CC3CBB #CC953C #3CCC4D

split-complementary

#3C73CC #CC4D3C #BBCC3C

monochromatic

#1D3D70 #2A57A1 #3C73CC #6D96D9 #9DB9E5

Accessibility & contrast

On white

4.65

#3C73CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#3C73CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3C73CC

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C73CC	#FFFFFF	#000000	##FFFFFF
##3C73CC	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#477CCF

Deuteranopia (green-blind)

#2D6ECA

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3c73cc;
/* rgb */ color: rgb(60, 115, 204);
/* oklch */ color: oklch(56.4% 0.150 259.6);

Tailwind

colors: {
  custom: {
    50: '#839adc',
    500: '#3c73cc',
    950: '#000000',
  },
}

SCSS

$custom: #3c73cc;
$custom-light: #839adc;
$custom-dark: #000000;

JSON

{
  "hex": "#3c73cc",
  "rgb": {
    "r": 60,
    "g": 115,
    "b": 204
  },
  "hsl": {
    "h": 217.083,
    "s": 58.537,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56376,
    "c": 0.14971,
    "h": 259.6
  },
  "luminance": 0.17582
}

Semantic roles & 50–950 ramp

primary

#3C73CC

secondary

#D1B992

accent

#A646E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3C73CC

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

Preview Lab → · Contrast checker → · Palette generator →