#3871BE#3871BE

#3871BE is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.9% C 0.135 H 256.7°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3871BE
RGB	rgb(56, 113, 190)
HSL	hsl(214, 54%, 48%)
HSV	hsv(214, 71%, 75%)
CMYK	cmyk(70.5%, 40.5%, 0%, 25.5%)
CIE-LAB	lab(47.45, 7.25, -45.90)
CIE-LCH	lch(47.45, 46.47, 278.98°)
OKLab	oklab(54.89% -0.031 -0.1309)
OKLCH	oklch(54.89% 0.135 256.7)
XYZ	xyz(16.8269, 16.3669, 50.9775)
Luminance	0.1637 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3871BE #BE8538

analogous

#38B4BE #3871BE #4238BE

triadic

#3871BE #BE3871 #71BE38

tetradic

#3871BE #BE38B4 #BE8538 #38BE42

square

#3871BE #BE38B4 #BE8538 #38BE42

split-complementary

#3871BE #BE4238 #B4BE38

monochromatic

#1C395F #2A558F #3871BE #6291D1 #92B2DF

Accessibility & contrast

On white

4.91

#3871BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3871BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3871BE

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3871BE	#FFFFFF	#000000	##FFFFFF
##3871BE	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D77C1

Deuteranopia (green-blind)

#386BBC

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3871be;
/* rgb */ color: rgb(56, 113, 190);
/* oklch */ color: oklch(54.9% 0.135 256.7);

Tailwind

colors: {
  custom: {
    50: '#7e99d2',
    500: '#3871be',
    950: '#000000',
  },
}

SCSS

$custom: #3871be;
$custom-light: #7e99d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3871be",
  "rgb": {
    "r": 56,
    "g": 113,
    "b": 190
  },
  "hsl": {
    "h": 214.478,
    "s": 54.472,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54887,
    "c": 0.13454,
    "h": 256.7
  },
  "luminance": 0.16369
}

Semantic roles & 50–950 ramp

primary

#3871BE

secondary

#CAAE88

accent

#9F4ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3871BE

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

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