#3874BC#3874BC

#3874BC is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.4% C 0.129 H 254.5°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3874BC
RGB	rgb(56, 116, 188)
HSL	hsl(213, 54%, 48%)
HSV	hsv(213, 70%, 74%)
CMYK	cmyk(70.2%, 38.3%, 0%, 26.3%)
CIE-LAB	lab(48.21, 4.67, -43.54)
CIE-LCH	lch(48.21, 43.79, 276.12°)
OKLab	oklab(55.44% -0.0343 -0.124)
OKLCH	oklch(55.44% 0.129 254.5)
XYZ	xyz(16.9500, 16.9606, 49.9476)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3874BC #BC8038

analogous

#38B6BC #3874BC #3E38BC

triadic

#3874BC #BC3874 #74BC38

tetradic

#3874BC #BC38B6 #BC8038 #38BC3E

square

#3874BC #BC38B6 #BC8038 #38BC3E

split-complementary

#3874BC #BC3E38 #B6BC38

monochromatic

#1C3A5E #2A578D #3874BC #6194D0 #90B4DE

Accessibility & contrast

On white

4.78

#3874BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3874BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3874BC

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3874BC	#FFFFFF	#000000	##FFFFFF
##3874BC	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BF

Deuteranopia (green-blind)

#3F6DBB

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3874bc;
/* rgb */ color: rgb(56, 116, 188);
/* oklch */ color: oklch(55.4% 0.129 254.5);

Tailwind

colors: {
  custom: {
    50: '#7e9bd0',
    500: '#3874bc',
    950: '#000000',
  },
}

SCSS

$custom: #3874bc;
$custom-light: #7e9bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3874bc",
  "rgb": {
    "r": 56,
    "g": 116,
    "b": 188
  },
  "hsl": {
    "h": 212.727,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.55441,
    "c": 0.12863,
    "h": 254.5
  },
  "luminance": 0.16962
}

Semantic roles & 50–950 ramp

primary

#3874BC

secondary

#C9AB87

accent

#9B4ADD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3874BC

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

Preview Lab → · Contrast checker → · Palette generator →