#3876D3#3876D3

#3876D3 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.3% C 0.157 H 258.5°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3876D3
RGB	rgb(56, 118, 211)
HSL	hsl(216, 64%, 52%)
HSV	hsv(216, 73%, 83%)
CMYK	cmyk(73.5%, 44.1%, 0%, 17.3%)
CIE-LAB	lab(50.10, 11.82, -53.70)
CIE-LCH	lch(50.10, 54.98, 282.41°)
OKLab	oklab(57.33% -0.0312 -0.1538)
OKLCH	oklch(57.33% 0.157 258.5)
XYZ	xyz(19.8629, 18.4986, 64.1391)
Luminance	0.1850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3876D3 #D39538

analogous

#38C4D3 #3876D3 #4838D3

triadic

#3876D3 #D33876 #76D338

tetradic

#3876D3 #D338C4 #D39538 #38D348

square

#3876D3 #D338C4 #D39538 #38D348

split-complementary

#3876D3 #D34838 #C4D338

monochromatic

#1A3F76 #255AA9 #3876D3 #6A99DE #9CBBE9

Accessibility & contrast

On white

4.47

#3876D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#3876D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3876D3

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3876D3	#FFFFFF	#000000	##000000
##3876D3	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477FD7

Deuteranopia (green-blind)

#2971D1

Tritanopia (blue-blind)

#008C9A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3876d3;
/* rgb */ color: rgb(56, 118, 211);
/* oklch */ color: oklch(57.3% 0.157 258.5);

Tailwind

colors: {
  custom: {
    50: '#829ce1',
    500: '#3876d3',
    950: '#000000',
  },
}

SCSS

$custom: #3876d3;
$custom-light: #829ce1;
$custom-dark: #000000;

JSON

{
  "hex": "#3876d3",
  "rgb": {
    "r": 56,
    "g": 118,
    "b": 211
  },
  "hsl": {
    "h": 216,
    "s": 63.786,
    "l": 52.353
  },
  "oklch": {
    "l": 0.5733,
    "c": 0.1569,
    "h": 258.5
  },
  "luminance": 0.18501
}

Semantic roles & 50–950 ramp

primary

#3876D3

secondary

#D5BA92

accent

#A441E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3876D3

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

Preview Lab → · Contrast checker → · Palette generator →