#3B71CF#3B71CF

#3B71CF is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.1% C 0.156 H 260.6°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3B71CF
RGB	rgb(59, 113, 207)
HSL	hsl(218, 61%, 52%)
HSV	hsv(218, 71%, 81%)
CMYK	cmyk(71.5%, 45.4%, 0%, 18.8%)
CIE-LAB	lab(48.56, 13.89, -53.87)
CIE-LCH	lch(48.56, 55.63, 284.46°)
OKLab	oklab(56.1% -0.0255 -0.1543)
OKLCH	oklch(56.1% 0.156 260.6)
XYZ	xyz(18.9672, 17.2430, 61.3480)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B71CF #CF993B

analogous

#3BBBCF #3B71CF #4F3BCF

triadic

#3B71CF #CF3B71 #71CF3B

tetradic

#3B71CF #CF3BBB #CF993B #3BCF4F

square

#3B71CF #CF3BBB #CF993B #3BCF4F

split-complementary

#3B71CF #CF4F3B #BBCF3B

monochromatic

#1C3C73 #2856A5 #3B71CF #6C95DB #9DB8E7

Accessibility & contrast

On white

4.72

#3B71CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3B71CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B71CF

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B71CF	#FFFFFF	#000000	##FFFFFF
##3B71CF	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#417BD3

Deuteranopia (green-blind)

#226DCD

Tritanopia (blue-blind)

#008796

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3b71cf;
/* rgb */ color: rgb(59, 113, 207);
/* oklch */ color: oklch(56.1% 0.156 260.6);

Tailwind

colors: {
  custom: {
    50: '#8399de',
    500: '#3b71cf',
    950: '#000000',
  },
}

SCSS

$custom: #3b71cf;
$custom-light: #8399de;
$custom-dark: #000000;

JSON

{
  "hex": "#3b71cf",
  "rgb": {
    "r": 59,
    "g": 113,
    "b": 207
  },
  "hsl": {
    "h": 218.108,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56102,
    "c": 0.1564,
    "h": 260.6
  },
  "luminance": 0.17245
}

Semantic roles & 50–950 ramp

primary

#3B71CF

secondary

#D3BC93

accent

#A944E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B71CF

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

Preview Lab → · Contrast checker → · Palette generator →