#3871BD#3871BD

#3871BD is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.8% C 0.133 H 256.5°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3871BD
RGB	rgb(56, 113, 189)
HSL	hsl(214, 54%, 48%)
HSV	hsv(214, 70%, 74%)
CMYK	cmyk(70.4%, 40.2%, 0%, 25.9%)
CIE-LAB	lab(47.40, 6.89, -45.41)
CIE-LCH	lch(47.40, 45.93, 278.63°)
OKLab	oklab(54.83% -0.0312 -0.1295)
OKLCH	oklch(54.83% 0.133 256.5)
XYZ	xyz(16.7180, 16.3234, 50.4039)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3871BD #BD8438

analogous

#38B3BD #3871BD #4238BD

triadic

#3871BD #BD3871 #71BD38

tetradic

#3871BD #BD38B3 #BD8438 #38BD42

square

#3871BD #BD38B3 #BD8438 #38BD42

split-complementary

#3871BD #BD4238 #B3BD38

monochromatic

#1C395F #2A558E #3871BD #6291D0 #91B2DE

Accessibility & contrast

On white

4.92

#3871BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3871BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3871BD

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3871BD	#FFFFFF	#000000	##FFFFFF
##3871BD	1.00	4.92	4.26	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E77C0

Deuteranopia (green-blind)

#396BBB

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3871bd;
/* rgb */ color: rgb(56, 113, 189);
/* oklch */ color: oklch(54.8% 0.133 256.5);

Tailwind

colors: {
  custom: {
    50: '#7e99d1',
    500: '#3871bd',
    950: '#000000',
  },
}

SCSS

$custom: #3871bd;
$custom-light: #7e99d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3871bd",
  "rgb": {
    "r": 56,
    "g": 113,
    "b": 189
  },
  "hsl": {
    "h": 214.286,
    "s": 54.286,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54825,
    "c": 0.13321,
    "h": 256.5
  },
  "luminance": 0.16325
}

Semantic roles & 50–950 ramp

primary

#3871BD

secondary

#C9AD87

accent

#9E4ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3871BD

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

Preview Lab → · Contrast checker → · Palette generator →