#3876CF#3876CF

#3876CF is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.1% C 0.152 H 257.8°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3876CF
RGB	rgb(56, 118, 207)
HSL	hsl(215, 61%, 52%)
HSV	hsv(215, 73%, 81%)
CMYK	cmyk(72.9%, 43%, 0%, 18.8%)
CIE-LAB	lab(49.86, 10.35, -51.80)
CIE-LCH	lch(49.86, 52.83, 281.30°)
OKLab	oklab(57.07% -0.032 -0.1482)
OKLCH	oklch(57.07% 0.152 257.8)
XYZ	xyz(19.3677, 18.3005, 61.5310)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3876CF #CF9138

analogous

#38C2CF #3876CF #4638CF

triadic

#3876CF #CF3876 #76CF38

tetradic

#3876CF #CF38C2 #CF9138 #38CF46

square

#3876CF #CF38C2 #CF9138 #38CF46

split-complementary

#3876CF #CF4638 #C2CF38

monochromatic

#1B3F71 #275AA3 #3876CF #6998DB #9BBAE7

Accessibility & contrast

On white

4.51

#3876CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#3876CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3876CF

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

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

#4A7ED2

Deuteranopia (green-blind)

#2F70CD

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3876cf;
/* rgb */ color: rgb(56, 118, 207);
/* oklch */ color: oklch(57.1% 0.152 257.8);

Tailwind

colors: {
  custom: {
    50: '#829cde',
    500: '#3876cf',
    950: '#000000',
  },
}

SCSS

$custom: #3876cf;
$custom-light: #829cde;
$custom-dark: #000000;

JSON

{
  "hex": "#3876cf",
  "rgb": {
    "r": 56,
    "g": 118,
    "b": 207
  },
  "hsl": {
    "h": 215.364,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5707,
    "c": 0.15161,
    "h": 257.8
  },
  "luminance": 0.18303
}

Semantic roles & 50–950 ramp

primary

#3876CF

secondary

#D3B790

accent

#A244E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3876CF

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

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