#3871BA#3871BA

#3871BA is a mid, vivid cyan. Relative luminance 0.162; OKLCH L 54.6% C 0.129 H 255.7°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3871BA
RGB	rgb(56, 113, 186)
HSL	hsl(214, 54%, 47%)
HSV	hsv(214, 70%, 73%)
CMYK	cmyk(69.9%, 39.2%, 0%, 27.1%)
CIE-LAB	lab(47.23, 5.80, -43.94)
CIE-LCH	lch(47.23, 44.32, 277.52°)
OKLab	oklab(54.64% -0.0319 -0.1252)
OKLCH	oklch(54.64% 0.129 255.7)
XYZ	xyz(16.3957, 16.1944, 48.7066)
Luminance	0.1620 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3871BA #BA8138

analogous

#38B2BA #3871BA #4038BA

triadic

#3871BA #BA3871 #71BA38

tetradic

#3871BA #BA38B2 #BA8138 #38BA40

square

#3871BA #BA38B2 #BA8138 #38BA40

split-complementary

#3871BA #BA4038 #B2BA38

monochromatic

#1C385C #2A548B #3871BA #6091CF #8FB1DD

Accessibility & contrast

On white

4.95

#3871BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#3871BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3871BA

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3871BA	#FFFFFF	#000000	##FFFFFF
##3871BA	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5077BD

Deuteranopia (green-blind)

#3C6AB9

Tritanopia (blue-blind)

#00828C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3871ba;
/* rgb */ color: rgb(56, 113, 186);
/* oklch */ color: oklch(54.6% 0.129 255.7);

Tailwind

colors: {
  custom: {
    50: '#7e99cf',
    500: '#3871ba',
    950: '#000000',
  },
}

SCSS

$custom: #3871ba;
$custom-light: #7e99cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3871ba",
  "rgb": {
    "r": 56,
    "g": 113,
    "b": 186
  },
  "hsl": {
    "h": 213.692,
    "s": 53.719,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5464,
    "c": 0.1292,
    "h": 255.7
  },
  "luminance": 0.16196
}

Semantic roles & 50–950 ramp

primary

#3871BA

secondary

#C8AB86

accent

#9D4BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3871BA

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

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