#3B71DE#3B71DE

#3B71DE is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.1% C 0.176 H 262.4°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3B71DE
RGB	rgb(59, 113, 222)
HSL	hsl(220, 71%, 55%)
HSV	hsv(220, 73%, 87%)
CMYK	cmyk(73.4%, 49.1%, 0%, 12.9%)
CIE-LAB	lab(49.51, 19.37, -60.86)
CIE-LCH	lch(49.51, 63.87, 287.65°)
OKLab	oklab(57.13% -0.0232 -0.1749)
OKLCH	oklch(57.13% 0.176 262.4)
XYZ	xyz(20.8889, 18.0117, 71.4688)
Luminance	0.1801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B71DE #DEA83B

analogous

#3BC2DE #3B71DE #573BDE

triadic

#3B71DE #DE3B71 #71DE3B

tetradic

#3B71DE #DE3BC2 #DEA83B #3BDE57

square

#3B71DE #DE3BC2 #DEA83B #3BDE57

split-complementary

#3B71DE #DE573B #C2DE3B

monochromatic

#173C88 #2054BC #3B71DE #6F97E7 #A4BDF0

Accessibility & contrast

On white

4.56

#3B71DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3B71DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B71DE

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B71DE	#FFFFFF	#000000	##000000
##3B71DE	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#317EE2

Deuteranopia (green-blind)

#006FDC

Tritanopia (blue-blind)

#008B9D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3b71de;
/* rgb */ color: rgb(59, 113, 222);
/* oklch */ color: oklch(57.1% 0.176 262.4);

Tailwind

colors: {
  custom: {
    50: '#8699e9',
    500: '#3b71de',
    950: '#000000',
  },
}

SCSS

$custom: #3b71de;
$custom-light: #8699e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b71de",
  "rgb": {
    "r": 59,
    "g": 113,
    "b": 222
  },
  "hsl": {
    "h": 220.123,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.5713,
    "c": 0.17642,
    "h": 262.4
  },
  "luminance": 0.18014
}

Semantic roles & 50–950 ramp

primary

#3B71DE

secondary

#DDC698

accent

#B23AEE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3B71DE

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

Preview Lab → · Contrast checker → · Palette generator →