#3B71D2#3B71D2

#3B71D2 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.3% C 0.160 H 261.0°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3B71D2
RGB	rgb(59, 113, 210)
HSL	hsl(219, 63%, 53%)
HSV	hsv(219, 72%, 82%)
CMYK	cmyk(71.9%, 46.2%, 0%, 17.6%)
CIE-LAB	lab(48.75, 14.98, -55.28)
CIE-LCH	lch(48.75, 57.28, 285.16°)
OKLab	oklab(56.3% -0.025 -0.1585)
OKLCH	oklch(56.3% 0.16 261)
XYZ	xyz(19.3374, 17.3911, 63.2980)
Luminance	0.1739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B71D2 #D29C3B

analogous

#3BBDD2 #3B71D2 #503BD2

triadic

#3B71D2 #D23B71 #71D23B

tetradic

#3B71D2 #D23BBD #D29C3B #3BD250

square

#3B71D2 #D23BBD #D29C3B #3BD250

split-complementary

#3B71D2 #D2503B #BDD23B

monochromatic

#1B3C77 #2755A9 #3B71D2 #6D95DD #9FB9E9

Accessibility & contrast

On white

4.69

#3B71D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3B71D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B71D2

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B71D2	#FFFFFF	#000000	##FFFFFF
##3B71D2	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E7BD6

Deuteranopia (green-blind)

#1B6DD0

Tritanopia (blue-blind)

#008897

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3b71d2;
/* rgb */ color: rgb(59, 113, 210);
/* oklch */ color: oklch(56.3% 0.160 261.0);

Tailwind

colors: {
  custom: {
    50: '#8399e0',
    500: '#3b71d2',
    950: '#000000',
  },
}

SCSS

$custom: #3b71d2;
$custom-light: #8399e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b71d2",
  "rgb": {
    "r": 59,
    "g": 113,
    "b": 210
  },
  "hsl": {
    "h": 218.543,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.56303,
    "c": 0.16042,
    "h": 261
  },
  "luminance": 0.17393
}

Semantic roles & 50–950 ramp

primary

#3B71D2

secondary

#D5BE94

accent

#AB42E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B71D2

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

Preview Lab → · Contrast checker → · Palette generator →