#3C72CB#3C72CB

#3C72CB is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.1% C 0.150 H 259.9°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3C72CB
RGB	rgb(60, 114, 203)
HSL	hsl(217, 58%, 52%)
HSV	hsv(217, 70%, 80%)
CMYK	cmyk(70.4%, 43.8%, 0%, 20.4%)
CIE-LAB	lab(48.64, 11.95, -51.46)
CIE-LCH	lch(48.64, 52.83, 283.07°)
OKLab	oklab(56.09% -0.0263 -0.1472)
OKLCH	oklch(56.09% 0.15 259.9)
XYZ	xyz(18.6564, 17.3051, 58.8453)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C72CB #CB953C

analogous

#3CB9CB #3C72CB #4E3CCB

triadic

#3C72CB #CB3C72 #72CB3C

tetradic

#3C72CB #CB3CB9 #CB953C #3CCB4E

square

#3C72CB #CB3CB9 #CB953C #3CCB4E

split-complementary

#3C72CB #CB4E3C #B9CB3C

monochromatic

#1E3C6F #2A579F #3C72CB #6C95D8 #9DB8E5

Accessibility & contrast

On white

4.71

#3C72CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#3C72CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C72CB

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C72CB	#FFFFFF	#000000	##FFFFFF
##3C72CB	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467BCE

Deuteranopia (green-blind)

#2C6DC9

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3c72cb;
/* rgb */ color: rgb(60, 114, 203);
/* oklch */ color: oklch(56.1% 0.150 259.9);

Tailwind

colors: {
  custom: {
    50: '#829adb',
    500: '#3c72cb',
    950: '#000000',
  },
}

SCSS

$custom: #3c72cb;
$custom-light: #829adb;
$custom-dark: #000000;

JSON

{
  "hex": "#3c72cb",
  "rgb": {
    "r": 60,
    "g": 114,
    "b": 203
  },
  "hsl": {
    "h": 217.343,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56095,
    "c": 0.14951,
    "h": 259.9
  },
  "luminance": 0.17307
}

Semantic roles & 50–950 ramp

primary

#3C72CB

secondary

#D1B992

accent

#A747E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3C72CB

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

Preview Lab → · Contrast checker → · Palette generator →