#3875CF#3875CF

#3875CF is a mid, vivid blue. Relative luminance 0.181; OKLCH L 56.9% C 0.153 H 258.2°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3875CF
RGB	rgb(56, 117, 207)
HSL	hsl(216, 61%, 52%)
HSV	hsv(216, 73%, 81%)
CMYK	cmyk(72.9%, 43.5%, 0%, 18.8%)
CIE-LAB	lab(49.58, 10.98, -52.25)
CIE-LCH	lch(49.58, 53.39, 281.86°)
OKLab	oklab(56.85% -0.0311 -0.1495)
OKLCH	oklch(56.85% 0.153 258.2)
XYZ	xyz(19.2506, 18.0662, 61.4920)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3875CF #CF9238

analogous

#38C0CF #3875CF #4738CF

triadic

#3875CF #CF3875 #75CF38

tetradic

#3875CF #CF38C0 #CF9238 #38CF47

square

#3875CF #CF38C0 #CF9238 #38CF47

split-complementary

#3875CF #CF4738 #C0CF38

monochromatic

#1B3E71 #2759A3 #3875CF #6997DB #9BB9E7

Accessibility & contrast

On white

4.55

#3875CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3875CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3875CF

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3875CF	#FFFFFF	#000000	##000000
##3875CF	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487DD2

Deuteranopia (green-blind)

#2C6FCD

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3875cf;
/* rgb */ color: rgb(56, 117, 207);
/* oklch */ color: oklch(56.9% 0.153 258.2);

Tailwind

colors: {
  custom: {
    50: '#829cde',
    500: '#3875cf',
    950: '#000000',
  },
}

SCSS

$custom: #3875cf;
$custom-light: #829cde;
$custom-dark: #000000;

JSON

{
  "hex": "#3875cf",
  "rgb": {
    "r": 56,
    "g": 117,
    "b": 207
  },
  "hsl": {
    "h": 215.762,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56852,
    "c": 0.15273,
    "h": 258.2
  },
  "luminance": 0.18068
}

Semantic roles & 50–950 ramp

primary

#3875CF

secondary

#D3B890

accent

#A344E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3875CF

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

Preview Lab → · Contrast checker → · Palette generator →