#3C73C9#3C73C9

#3C73C9 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.2% C 0.146 H 259.1°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3C73C9
RGB	rgb(60, 115, 201)
HSL	hsl(217, 57%, 51%)
HSV	hsv(217, 70%, 79%)
CMYK	cmyk(70.1%, 42.8%, 0%, 21.2%)
CIE-LAB	lab(48.81, 10.60, -50.05)
CIE-LCH	lch(48.81, 51.16, 281.96°)
OKLab	oklab(56.18% -0.0276 -0.143)
OKLCH	oklch(56.18% 0.146 259.1)
XYZ	xyz(18.5330, 17.4372, 57.6360)
Luminance	0.1744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C73C9 #C9923C

analogous

#3CB9C9 #3C73C9 #4B3CC9

triadic

#3C73C9 #C93C73 #73C93C

tetradic

#3C73C9 #C93CB9 #C9923C #3CC94B

square

#3C73C9 #C93CB9 #C9923C #3CC94B

split-complementary

#3C73C9 #C94B3C #B9C93C

monochromatic

#1E3D6D #2B579C #3C73C9 #6C95D6 #9CB8E4

Accessibility & contrast

On white

4.68

#3C73C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#3C73C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C73C9

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C73C9	#FFFFFF	#000000	##FFFFFF
##3C73C9	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7BCC

Deuteranopia (green-blind)

#316EC7

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3c73c9;
/* rgb */ color: rgb(60, 115, 201);
/* oklch */ color: oklch(56.2% 0.146 259.1);

Tailwind

colors: {
  custom: {
    50: '#829ada',
    500: '#3c73c9',
    950: '#000000',
  },
}

SCSS

$custom: #3c73c9;
$custom-light: #829ada;
$custom-dark: #000000;

JSON

{
  "hex": "#3c73c9",
  "rgb": {
    "r": 60,
    "g": 115,
    "b": 201
  },
  "hsl": {
    "h": 216.596,
    "s": 56.627,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56183,
    "c": 0.14568,
    "h": 259.1
  },
  "luminance": 0.17439
}

Semantic roles & 50–950 ramp

primary

#3C73C9

secondary

#D0B791

accent

#A548E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3C73C9

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

Preview Lab → · Contrast checker → · Palette generator →