#3874D7#3874D7

#3874D7 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.2% C 0.165 H 259.9°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3874D7
RGB	rgb(56, 116, 215)
HSL	hsl(217, 67%, 53%)
HSV	hsv(217, 74%, 84%)
CMYK	cmyk(74%, 46%, 0%, 15.7%)
CIE-LAB	lab(49.78, 14.54, -56.47)
CIE-LCH	lch(49.78, 58.31, 284.44°)
OKLab	oklab(57.17% -0.0288 -0.162)
OKLCH	oklch(57.17% 0.165 259.9)
XYZ	xyz(20.1376, 18.2356, 66.7353)
Luminance	0.1824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3874D7 #D79B38

analogous

#38C4D7 #3874D7 #4B38D7

triadic

#3874D7 #D73874 #74D738

tetradic

#3874D7 #D738C4 #D79B38 #38D74B

square

#3874D7 #D738C4 #D79B38 #38D74B

split-complementary

#3874D7 #D74B38 #C4D738

monochromatic

#193E7C #2358AF #3874D7 #6B98E1 #9EBBEB

Accessibility & contrast

On white

4.52

#3874D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3874D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3874D7

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3874D7	#FFFFFF	#000000	##000000
##3874D7	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#407EDB

Deuteranopia (green-blind)

#1970D5

Tritanopia (blue-blind)

#008B9B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3874d7;
/* rgb */ color: rgb(56, 116, 215);
/* oklch */ color: oklch(57.2% 0.165 259.9);

Tailwind

colors: {
  custom: {
    50: '#839be4',
    500: '#3874d7',
    950: '#000000',
  },
}

SCSS

$custom: #3874d7;
$custom-light: #839be4;
$custom-dark: #000000;

JSON

{
  "hex": "#3874d7",
  "rgb": {
    "r": 56,
    "g": 116,
    "b": 215
  },
  "hsl": {
    "h": 217.358,
    "s": 66.527,
    "l": 53.137
  },
  "oklch": {
    "l": 0.57165,
    "c": 0.16451,
    "h": 259.9
  },
  "luminance": 0.18238
}

Semantic roles & 50–950 ramp

primary

#3874D7

secondary

#D8BE93

accent

#A93EE9

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3874D7

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

Preview Lab → · Contrast checker → · Palette generator →