#3874CA#3874CA

#3874CA is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.3% C 0.147 H 257.8°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3874CA
RGB	rgb(56, 116, 202)
HSL	hsl(215, 58%, 51%)
HSV	hsv(215, 72%, 79%)
CMYK	cmyk(72.3%, 42.6%, 0%, 20.8%)
CIE-LAB	lab(49.00, 9.77, -50.32)
CIE-LCH	lch(49.00, 51.26, 280.98°)
OKLab	oklab(56.31% -0.0312 -0.1439)
OKLCH	oklch(56.31% 0.147 257.8)
XYZ	xyz(18.5331, 17.5938, 58.2849)
Luminance	0.1760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3874CA #CA8E38

analogous

#38BDCA #3874CA #4538CA

triadic

#3874CA #CA3874 #74CA38

tetradic

#3874CA #CA38BD #CA8E38 #38CA45

square

#3874CA #CA38BD #CA8E38 #38CA45

split-complementary

#3874CA #CA4538 #BDCA38

monochromatic

#1D3D6B #29589B #3874CA #6896D7 #99B8E4

Accessibility & contrast

On white

4.65

#3874CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#3874CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3874CA

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3874CA	#FFFFFF	#000000	##FFFFFF
##3874CA	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7CCD

Deuteranopia (green-blind)

#316EC8

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3874ca;
/* rgb */ color: rgb(56, 116, 202);
/* oklch */ color: oklch(56.3% 0.147 257.8);

Tailwind

colors: {
  custom: {
    50: '#819bda',
    500: '#3874ca',
    950: '#000000',
  },
}

SCSS

$custom: #3874ca;
$custom-light: #819bda;
$custom-dark: #000000;

JSON

{
  "hex": "#3874ca",
  "rgb": {
    "r": 56,
    "g": 116,
    "b": 202
  },
  "hsl": {
    "h": 215.342,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56311,
    "c": 0.14723,
    "h": 257.8
  },
  "luminance": 0.17596
}

Semantic roles & 50–950 ramp

primary

#3874CA

secondary

#CFB58E

accent

#A247E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3874CA

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

Preview Lab → · Contrast checker → · Palette generator →