#3874CD#3874CD

#3874CD is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.5% C 0.151 H 258.3°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3874CD
RGB	rgb(56, 116, 205)
HSL	hsl(216, 60%, 51%)
HSV	hsv(216, 73%, 80%)
CMYK	cmyk(72.7%, 43.4%, 0%, 19.6%)
CIE-LAB	lab(49.18, 10.87, -51.75)
CIE-LCH	lch(49.18, 52.88, 281.86°)
OKLab	oklab(56.5% -0.0306 -0.1481)
OKLCH	oklch(56.5% 0.151 258.3)
XYZ	xyz(18.8917, 17.7372, 60.1738)
Luminance	0.1774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3874CD #CD9138

analogous

#38BECD #3874CD #4638CD

triadic

#3874CD #CD3874 #74CD38

tetradic

#3874CD #CD38BE #CD9138 #38CD46

square

#3874CD #CD38BE #CD9138 #38CD46

split-complementary

#3874CD #CD4638 #BECD38

monochromatic

#1C3D6F #2858A0 #3874CD #6996D9 #9AB8E6

Accessibility & contrast

On white

4.62

#3874CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3874CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3874CD

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3874CD	#FFFFFF	#000000	##FFFFFF
##3874CD	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#487CD0

Deuteranopia (green-blind)

#2C6FCB

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3874cd;
/* rgb */ color: rgb(56, 116, 205);
/* oklch */ color: oklch(56.5% 0.151 258.3);

Tailwind

colors: {
  custom: {
    50: '#819bdd',
    500: '#3874cd',
    950: '#000000',
  },
}

SCSS

$custom: #3874cd;
$custom-light: #819bdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3874cd",
  "rgb": {
    "r": 56,
    "g": 116,
    "b": 205
  },
  "hsl": {
    "h": 215.839,
    "s": 59.839,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56504,
    "c": 0.15121,
    "h": 258.3
  },
  "luminance": 0.17739
}

Semantic roles & 50–950 ramp

primary

#3874CD

secondary

#D1B78F

accent

#A345E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3874CD

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

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