#3874D0#3874D0

#3874D0 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.7% C 0.155 H 258.8°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3874D0
RGB	rgb(56, 116, 208)
HSL	hsl(216, 62%, 52%)
HSV	hsv(216, 73%, 82%)
CMYK	cmyk(73.1%, 44.2%, 0%, 18.4%)
CIE-LAB	lab(49.35, 11.97, -53.18)
CIE-LCH	lch(49.35, 54.51, 282.68°)
OKLab	oklab(56.7% -0.03 -0.1523)
OKLCH	oklch(56.7% 0.155 258.8)
XYZ	xyz(19.2573, 17.8835, 62.0992)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3874D0 #D09438

analogous

#38C0D0 #3874D0 #4838D0

triadic

#3874D0 #D03874 #74D038

tetradic

#3874D0 #D038C0 #D09438 #38D048

square

#3874D0 #D038C0 #D09438 #38D048

split-complementary

#3874D0 #D04838 #C0D038

monochromatic

#1B3E73 #2758A4 #3874D0 #6A97DC #9BB9E7

Accessibility & contrast

On white

4.59

#3874D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3874D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3874D0

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3874D0	#FFFFFF	#000000	##FFFFFF
##3874D0	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467DD4

Deuteranopia (green-blind)

#286FCE

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3874d0;
/* rgb */ color: rgb(56, 116, 208);
/* oklch */ color: oklch(56.7% 0.155 258.8);

Tailwind

colors: {
  custom: {
    50: '#829bdf',
    500: '#3874d0',
    950: '#000000',
  },
}

SCSS

$custom: #3874d0;
$custom-light: #829bdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3874d0",
  "rgb": {
    "r": 56,
    "g": 116,
    "b": 208
  },
  "hsl": {
    "h": 216.316,
    "s": 61.789,
    "l": 51.765
  },
  "oklch": {
    "l": 0.567,
    "c": 0.15521,
    "h": 258.8
  },
  "luminance": 0.17886
}

Semantic roles & 50–950 ramp

primary

#3874D0

secondary

#D3B991

accent

#A543E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3874D0

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

Preview Lab → · Contrast checker → · Palette generator →