#3874BF#3874BF

#3874BF is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.6% C 0.133 H 255.3°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3874BF
RGB	rgb(56, 116, 191)
HSL	hsl(213, 55%, 48%)
HSV	hsv(213, 71%, 75%)
CMYK	cmyk(70.7%, 39.3%, 0%, 25.1%)
CIE-LAB	lab(48.37, 5.76, -45.01)
CIE-LCH	lch(48.37, 45.37, 277.29°)
OKLab	oklab(55.62% -0.0336 -0.1283)
OKLCH	oklch(55.62% 0.133 255.3)
XYZ	xyz(17.2768, 17.0913, 51.6685)
Luminance	0.1709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3874BF #BF8338

analogous

#38B7BF #3874BF #3F38BF

triadic

#3874BF #BF3874 #74BF38

tetradic

#3874BF #BF38B7 #BF8338 #38BF3F

square

#3874BF #BF38B7 #BF8338 #38BF3F

split-complementary

#3874BF #BF3F38 #B7BF38

monochromatic

#1C3B60 #2A5790 #3874BF #6394D1 #92B4DF

Accessibility & contrast

On white

4.75

#3874BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3874BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3874BF

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3874BF	#FFFFFF	#000000	##FFFFFF
##3874BF	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#517AC2

Deuteranopia (green-blind)

#3D6DBD

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3874bf;
/* rgb */ color: rgb(56, 116, 191);
/* oklch */ color: oklch(55.6% 0.133 255.3);

Tailwind

colors: {
  custom: {
    50: '#7f9bd3',
    500: '#3874bf',
    950: '#000000',
  },
}

SCSS

$custom: #3874bf;
$custom-light: #7f9bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3874bf",
  "rgb": {
    "r": 56,
    "g": 116,
    "b": 191
  },
  "hsl": {
    "h": 213.333,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55623,
    "c": 0.1326,
    "h": 255.3
  },
  "luminance": 0.17093
}

Semantic roles & 50–950 ramp

primary

#3874BF

secondary

#CAAD89

accent

#9C4ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3874BF

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

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