#3874D8#3874D8

#3874D8 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.2% C 0.166 H 260.0°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3874D8
RGB	rgb(56, 116, 216)
HSL	hsl(218, 67%, 53%)
HSV	hsv(218, 74%, 85%)
CMYK	cmyk(74.1%, 46.3%, 0%, 15.3%)
CIE-LAB	lab(49.84, 14.91, -56.94)
CIE-LCH	lch(49.84, 58.86, 284.67°)
OKLab	oklab(57.23% -0.0287 -0.1633)
OKLCH	oklch(57.23% 0.166 260)
XYZ	xyz(20.2665, 18.2871, 67.4141)
Luminance	0.1829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3874D8 #D89C38

analogous

#38C4D8 #3874D8 #4C38D8

triadic

#3874D8 #D83874 #74D838

tetradic

#3874D8 #D838C4 #D89C38 #38D84C

square

#3874D8 #D838C4 #D89C38 #38D84C

split-complementary

#3874D8 #D84C38 #C4D838

monochromatic

#193E7D #2358B0 #3874D8 #6B98E2 #9EBBEC

Accessibility & contrast

On white

4.51

#3874D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#3874D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3874D8

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3874D8	#FFFFFF	#000000	##000000
##3874D8	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7EDC

Deuteranopia (green-blind)

#1770D6

Tritanopia (blue-blind)

#008C9B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3874d8;
/* rgb */ color: rgb(56, 116, 216);
/* oklch */ color: oklch(57.2% 0.166 260.0);

Tailwind

colors: {
  custom: {
    50: '#839be5',
    500: '#3874d8',
    950: '#000000',
  },
}

SCSS

$custom: #3874d8;
$custom-light: #839be5;
$custom-dark: #000000;

JSON

{
  "hex": "#3874d8",
  "rgb": {
    "r": 56,
    "g": 116,
    "b": 216
  },
  "hsl": {
    "h": 217.5,
    "s": 67.227,
    "l": 53.333
  },
  "oklch": {
    "l": 0.57233,
    "c": 0.16583,
    "h": 260
  },
  "luminance": 0.18289
}

Semantic roles & 50–950 ramp

primary

#3874D8

secondary

#D8BE93

accent

#A93EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3874D8

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

Preview Lab → · Contrast checker → · Palette generator →