#3B72CC#3B72CC

#3B72CC is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.1% C 0.151 H 259.8°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3B72CC
RGB	rgb(59, 114, 204)
HSL	hsl(217, 59%, 52%)
HSV	hsv(217, 71%, 80%)
CMYK	cmyk(71.1%, 44.1%, 0%, 20%)
CIE-LAB	lab(48.66, 12.17, -52.00)
CIE-LCH	lch(48.66, 53.40, 283.17°)
OKLab	oklab(56.12% -0.0269 -0.1488)
OKLCH	oklch(56.12% 0.151 259.8)
XYZ	xyz(18.7161, 17.3221, 59.4722)
Luminance	0.1732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B72CC #CC953B

analogous

#3BBBCC #3B72CC #4D3BCC

triadic

#3B72CC #CC3B72 #72CC3B

tetradic

#3B72CC #CC3BBB #CC953B #3BCC4D

square

#3B72CC #CC3BBB #CC953B #3BCC4D

split-complementary

#3B72CC #CC4D3B #BBCC3B

monochromatic

#1D3C70 #2A57A0 #3B72CC #6C95D9 #9CB8E5

Accessibility & contrast

On white

4.70

#3B72CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#3B72CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B72CC

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B72CC	#FFFFFF	#000000	##FFFFFF
##3B72CC	1.00	4.70	4.46	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457BCF

Deuteranopia (green-blind)

#2A6DCA

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3b72cc;
/* rgb */ color: rgb(59, 114, 204);
/* oklch */ color: oklch(56.1% 0.151 259.8);

Tailwind

colors: {
  custom: {
    50: '#829adc',
    500: '#3b72cc',
    950: '#000000',
  },
}

SCSS

$custom: #3b72cc;
$custom-light: #829adc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b72cc",
  "rgb": {
    "r": 59,
    "g": 114,
    "b": 204
  },
  "hsl": {
    "h": 217.241,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56119,
    "c": 0.1512,
    "h": 259.8
  },
  "luminance": 0.17324
}

Semantic roles & 50–950 ramp

primary

#3B72CC

secondary

#D1B992

accent

#A746E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B72CC

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

Preview Lab → · Contrast checker → · Palette generator →