#3B72CF#3B72CF

#3B72CF is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.3% C 0.155 H 260.2°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3B72CF
RGB	rgb(59, 114, 207)
HSL	hsl(218, 61%, 52%)
HSV	hsv(218, 71%, 81%)
CMYK	cmyk(71.5%, 44.9%, 0%, 18.8%)
CIE-LAB	lab(48.84, 13.26, -53.42)
CIE-LCH	lch(48.84, 55.04, 283.94°)
OKLab	oklab(56.32% -0.0263 -0.153)
OKLCH	oklch(56.32% 0.155 260.2)
XYZ	xyz(19.0794, 17.4674, 61.3854)
Luminance	0.1747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B72CF #CF983B

analogous

#3BBCCF #3B72CF #4E3BCF

triadic

#3B72CF #CF3B72 #72CF3B

tetradic

#3B72CF #CF3BBC #CF983B #3BCF4E

square

#3B72CF #CF3BBC #CF983B #3BCF4E

split-complementary

#3B72CF #CF4E3B #BCCF3B

monochromatic

#1C3D73 #2856A5 #3B72CF #6C95DB #9DB9E7

Accessibility & contrast

On white

4.67

#3B72CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#3B72CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B72CF

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B72CF	#FFFFFF	#000000	##FFFFFF
##3B72CF	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#437BD3

Deuteranopia (green-blind)

#256ECD

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3b72cf;
/* rgb */ color: rgb(59, 114, 207);
/* oklch */ color: oklch(56.3% 0.155 260.2);

Tailwind

colors: {
  custom: {
    50: '#839ade',
    500: '#3b72cf',
    950: '#000000',
  },
}

SCSS

$custom: #3b72cf;
$custom-light: #839ade;
$custom-dark: #000000;

JSON

{
  "hex": "#3b72cf",
  "rgb": {
    "r": 59,
    "g": 114,
    "b": 207
  },
  "hsl": {
    "h": 217.703,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56317,
    "c": 0.15522,
    "h": 260.2
  },
  "luminance": 0.17469
}

Semantic roles & 50–950 ramp

primary

#3B72CF

secondary

#D3BB93

accent

#A844E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B72CF

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

Preview Lab → · Contrast checker → · Palette generator →