#3874B9#3874B9

#3874B9 is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.3% C 0.125 H 253.7°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3874B9
RGB	rgb(56, 116, 185)
HSL	hsl(212, 54%, 47%)
HSV	hsv(212, 70%, 73%)
CMYK	cmyk(69.7%, 37.3%, 0%, 27.5%)
CIE-LAB	lab(48.05, 3.58, -42.06)
CIE-LCH	lch(48.05, 42.22, 274.87°)
OKLab	oklab(55.26% -0.035 -0.1196)
OKLCH	oklch(55.26% 0.125 253.7)
XYZ	xyz(16.6300, 16.8326, 48.2621)
Luminance	0.1683 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3874B9 #B97D38

analogous

#38B5B9 #3874B9 #3D38B9

triadic

#3874B9 #B93874 #74B938

tetradic

#3874B9 #B938B5 #B97D38 #38B93D

square

#3874B9 #B938B5 #B97D38 #38B93D

split-complementary

#3874B9 #B93D38 #B5B938

monochromatic

#1C395B #2A578A #3874B9 #5F93CF #8EB3DD

Accessibility & contrast

On white

4.81

#3874B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3874B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3874B9

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3874B9	#FFFFFF	#000000	##FFFFFF
##3874B9	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5579BC

Deuteranopia (green-blind)

#426DB8

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3874b9;
/* rgb */ color: rgb(56, 116, 185);
/* oklch */ color: oklch(55.3% 0.125 253.7);

Tailwind

colors: {
  custom: {
    50: '#7d9bce',
    500: '#3874b9',
    950: '#000000',
  },
}

SCSS

$custom: #3874b9;
$custom-light: #7d9bce;
$custom-dark: #000000;

JSON

{
  "hex": "#3874b9",
  "rgb": {
    "r": 56,
    "g": 116,
    "b": 185
  },
  "hsl": {
    "h": 212.093,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.55262,
    "c": 0.12468,
    "h": 253.7
  },
  "luminance": 0.16834
}

Semantic roles & 50–950 ramp

primary

#3874B9

secondary

#C8A985

accent

#994BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3874B9

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

Preview Lab → · Contrast checker → · Palette generator →