#3874B7#3874B7

#3874B7 is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.1% C 0.122 H 253.1°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3874B7
RGB	rgb(56, 116, 183)
HSL	hsl(212, 53%, 47%)
HSV	hsv(212, 69%, 72%)
CMYK	cmyk(69.4%, 36.6%, 0%, 28.2%)
CIE-LAB	lab(47.94, 2.86, -41.08)
CIE-LCH	lch(47.94, 41.17, 273.99°)
OKLab	oklab(55.14% -0.0356 -0.1167)
OKLCH	oklch(55.14% 0.122 253.1)
XYZ	xyz(16.4204, 16.7487, 47.1580)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3874B7 #B77B38

analogous

#38B3B7 #3874B7 #3C38B7

triadic

#3874B7 #B73874 #74B738

tetradic

#3874B7 #B738B3 #B77B38 #38B73C

square

#3874B7 #B738B3 #B77B38 #38B73C

split-complementary

#3874B7 #B73C38 #B3B738

monochromatic

#1B3959 #2A5688 #3874B7 #5E93CE #8DB3DC

Accessibility & contrast

On white

4.83

#3874B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3874B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3874B7

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3874B7	#FFFFFF	#000000	##FFFFFF
##3874B7	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5678BA

Deuteranopia (green-blind)

#436CB6

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3874b7;
/* rgb */ color: rgb(56, 116, 183);
/* oklch */ color: oklch(55.1% 0.122 253.1);

Tailwind

colors: {
  custom: {
    50: '#7d9bcd',
    500: '#3874b7',
    950: '#000000',
  },
}

SCSS

$custom: #3874b7;
$custom-light: #7d9bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3874b7",
  "rgb": {
    "r": 56,
    "g": 116,
    "b": 183
  },
  "hsl": {
    "h": 211.654,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55144,
    "c": 0.12205,
    "h": 253.1
  },
  "luminance": 0.1675
}

Semantic roles & 50–950 ramp

primary

#3874B7

secondary

#C7A784

accent

#984BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3874B7

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

Preview Lab → · Contrast checker → · Palette generator →