#3B72C6#3B72C6

#3B72C6 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.7% C 0.143 H 258.7°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3B72C6
RGB	rgb(59, 114, 198)
HSL	hsl(216, 55%, 50%)
HSV	hsv(216, 70%, 78%)
CMYK	cmyk(70.2%, 42.4%, 0%, 22.4%)
CIE-LAB	lab(48.31, 9.99, -49.13)
CIE-LCH	lch(48.31, 50.13, 281.49°)
OKLab	oklab(55.73% -0.028 -0.1403)
OKLCH	oklch(55.73% 0.143 258.7)
XYZ	xyz(18.0103, 17.0398, 55.7550)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B72C6 #C68F3B

analogous

#3BB8C6 #3B72C6 #493BC6

triadic

#3B72C6 #C63B72 #72C63B

tetradic

#3B72C6 #C63BB8 #C68F3B #3BC649

square

#3B72C6 #C63BB8 #C68F3B #3BC649

split-complementary

#3B72C6 #C6493B #B8C63B

monochromatic

#1E3C68 #2C5798 #3B72C6 #6A94D4 #9AB6E2

Accessibility & contrast

On white

4.76

#3B72C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3B72C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B72C6

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B72C6	#FFFFFF	#000000	##FFFFFF
##3B72C6	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7AC9

Deuteranopia (green-blind)

#326DC4

Tritanopia (blue-blind)

#008692

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3b72c6;
/* rgb */ color: rgb(59, 114, 198);
/* oklch */ color: oklch(55.7% 0.143 258.7);

Tailwind

colors: {
  custom: {
    50: '#819ad8',
    500: '#3b72c6',
    950: '#000000',
  },
}

SCSS

$custom: #3b72c6;
$custom-light: #819ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b72c6",
  "rgb": {
    "r": 59,
    "g": 114,
    "b": 198
  },
  "hsl": {
    "h": 216.259,
    "s": 54.941,
    "l": 50.392
  },
  "oklch": {
    "l": 0.55732,
    "c": 0.14312,
    "h": 258.7
  },
  "luminance": 0.17042
}

Semantic roles & 50–950 ramp

primary

#3B72C6

secondary

#CDB58F

accent

#A34ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3B72C6

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

Preview Lab → · Contrast checker → · Palette generator →