#3876CE#3876CE

#3876CE is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.0% C 0.150 H 257.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3876CE
RGB	rgb(56, 118, 206)
HSL	hsl(215, 60%, 51%)
HSV	hsv(215, 73%, 81%)
CMYK	cmyk(72.8%, 42.7%, 0%, 19.2%)
CIE-LAB	lab(49.80, 9.99, -51.33)
CIE-LCH	lch(49.80, 52.29, 281.01°)
OKLab	oklab(57.01% -0.0322 -0.1468)
OKLCH	oklch(57.01% 0.15 257.6)
XYZ	xyz(19.2458, 18.2517, 60.8892)
Luminance	0.1825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3876CE #CE9038

analogous

#38C1CE #3876CE #4538CE

triadic

#3876CE #CE3876 #76CE38

tetradic

#3876CE #CE38C1 #CE9038 #38CE45

square

#3876CE #CE38C1 #CE9038 #38CE45

split-complementary

#3876CE #CE4538 #C1CE38

monochromatic

#1C3E70 #285AA1 #3876CE #6998DA #9ABAE6

Accessibility & contrast

On white

4.52

#3876CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3876CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3876CE

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3876CE	#FFFFFF	#000000	##000000
##3876CE	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)

#4B7ED1

Deuteranopia (green-blind)

#3070CC

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3876ce;
/* rgb */ color: rgb(56, 118, 206);
/* oklch */ color: oklch(57.0% 0.150 257.6);

Tailwind

colors: {
  custom: {
    50: '#819cdd',
    500: '#3876ce',
    950: '#000000',
  },
}

SCSS

$custom: #3876ce;
$custom-light: #819cdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3876ce",
  "rgb": {
    "r": 56,
    "g": 118,
    "b": 206
  },
  "hsl": {
    "h": 215.2,
    "s": 60.484,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57006,
    "c": 0.15028,
    "h": 257.6
  },
  "luminance": 0.18254
}

Semantic roles & 50–950 ramp

primary

#3876CE

secondary

#D2B790

accent

#A244E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3876CE

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

Preview Lab → · Contrast checker → · Palette generator →