#3874CC#3874CC

#3874CC is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.4% C 0.150 H 258.1°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3874CC
RGB	rgb(56, 116, 204)
HSL	hsl(216, 59%, 51%)
HSV	hsv(216, 73%, 80%)
CMYK	cmyk(72.5%, 43.1%, 0%, 20%)
CIE-LAB	lab(49.12, 10.50, -51.28)
CIE-LCH	lch(49.12, 52.34, 281.57°)
OKLab	oklab(56.44% -0.0308 -0.1467)
OKLCH	oklch(56.44% 0.15 258.1)
XYZ	xyz(18.7714, 17.6891, 59.5401)
Luminance	0.1769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3874CC #CC9038

analogous

#38BECC #3874CC #4638CC

triadic

#3874CC #CC3874 #74CC38

tetradic

#3874CC #CC38BE #CC9038 #38CC46

square

#3874CC #CC38BE #CC9038 #38CC46

split-complementary

#3874CC #CC4638 #BECC38

monochromatic

#1C3D6E #29589E #3874CC #6996D8 #99B8E5

Accessibility & contrast

On white

4.63

#3874CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#3874CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3874CC

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3874CC	#FFFFFF	#000000	##FFFFFF
##3874CC	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#497CCF

Deuteranopia (green-blind)

#2E6ECA

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3874cc;
/* rgb */ color: rgb(56, 116, 204);
/* oklch */ color: oklch(56.4% 0.150 258.1);

Tailwind

colors: {
  custom: {
    50: '#819bdc',
    500: '#3874cc',
    950: '#000000',
  },
}

SCSS

$custom: #3874cc;
$custom-light: #819bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3874cc",
  "rgb": {
    "r": 56,
    "g": 116,
    "b": 204
  },
  "hsl": {
    "h": 215.676,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56439,
    "c": 0.14988,
    "h": 258.1
  },
  "luminance": 0.17691
}

Semantic roles & 50–950 ramp

primary

#3874CC

secondary

#D1B68F

accent

#A345E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3874CC

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

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