#3871BC#3871BC

#3871BC is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.8% C 0.132 H 256.2°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3871BC
RGB	rgb(56, 113, 188)
HSL	hsl(214, 54%, 48%)
HSV	hsv(214, 70%, 74%)
CMYK	cmyk(70.2%, 39.9%, 0%, 26.3%)
CIE-LAB	lab(47.34, 6.52, -44.92)
CIE-LCH	lch(47.34, 45.39, 278.26°)
OKLab	oklab(54.76% -0.0314 -0.1281)
OKLCH	oklch(54.76% 0.132 256.2)
XYZ	xyz(16.6098, 16.2801, 49.8342)
Luminance	0.1628 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3871BC #BC8338

analogous

#38B3BC #3871BC #4138BC

triadic

#3871BC #BC3871 #71BC38

tetradic

#3871BC #BC38B3 #BC8338 #38BC41

square

#3871BC #BC38B3 #BC8338 #38BC41

split-complementary

#3871BC #BC4138 #B3BC38

monochromatic

#1C385E #2A558D #3871BC #6191D0 #90B2DE

Accessibility & contrast

On white

4.93

#3871BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3871BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3871BC

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3871BC	#FFFFFF	#000000	##FFFFFF
##3871BC	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E77BF

Deuteranopia (green-blind)

#3A6BBA

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3871bc;
/* rgb */ color: rgb(56, 113, 188);
/* oklch */ color: oklch(54.8% 0.132 256.2);

Tailwind

colors: {
  custom: {
    50: '#7e99d0',
    500: '#3871bc',
    950: '#000000',
  },
}

SCSS

$custom: #3871bc;
$custom-light: #7e99d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3871bc",
  "rgb": {
    "r": 56,
    "g": 113,
    "b": 188
  },
  "hsl": {
    "h": 214.091,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54763,
    "c": 0.13187,
    "h": 256.2
  },
  "luminance": 0.16282
}

Semantic roles & 50–950 ramp

primary

#3871BC

secondary

#C9AC87

accent

#9E4ADD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3871BC

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

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