#3B72C5#3B72C5

#3B72C5 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.7% C 0.142 H 258.5°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3B72C5
RGB	rgb(59, 114, 197)
HSL	hsl(216, 54%, 50%)
HSV	hsv(216, 70%, 77%)
CMYK	cmyk(70.1%, 42.1%, 0%, 22.7%)
CIE-LAB	lab(48.25, 9.62, -48.65)
CIE-LCH	lch(48.25, 49.59, 281.19°)
OKLab	oklab(55.67% -0.0282 -0.1389)
OKLCH	oklch(55.67% 0.142 258.5)
XYZ	xyz(17.8953, 16.9938, 55.1495)
Luminance	0.1700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B72C5 #C58E3B

analogous

#3BB7C5 #3B72C5 #493BC5

triadic

#3B72C5 #C53B72 #72C53B

tetradic

#3B72C5 #C53BB7 #C58E3B #3BC549

square

#3B72C5 #C53BB7 #C58E3B #3BC549

split-complementary

#3B72C5 #C5493B #B7C53B

monochromatic

#1F3B67 #2C5796 #3B72C5 #6A94D3 #99B6E1

Accessibility & contrast

On white

4.77

#3B72C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3B72C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B72C5

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B72C5	#FFFFFF	#000000	##FFFFFF
##3B72C5	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A79C8

Deuteranopia (green-blind)

#336DC3

Tritanopia (blue-blind)

#008592

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3b72c5;
/* rgb */ color: rgb(59, 114, 197);
/* oklch */ color: oklch(55.7% 0.142 258.5);

Tailwind

colors: {
  custom: {
    50: '#819ad7',
    500: '#3b72c5',
    950: '#000000',
  },
}

SCSS

$custom: #3b72c5;
$custom-light: #819ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b72c5",
  "rgb": {
    "r": 59,
    "g": 114,
    "b": 197
  },
  "hsl": {
    "h": 216.087,
    "s": 54.331,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55669,
    "c": 0.14178,
    "h": 258.5
  },
  "luminance": 0.16996
}

Semantic roles & 50–950 ramp

primary

#3B72C5

secondary

#CDB48F

accent

#A34ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3B72C5

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

Preview Lab → · Contrast checker → · Palette generator →