#3881CF#3881CF

#3881CF is a mid, vivid cyan. Relative luminance 0.210; OKLCH L 59.5% C 0.140 H 252.5°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#3881CF
RGB	rgb(56, 129, 207)
HSL	hsl(211, 61%, 52%)
HSV	hsv(211, 73%, 81%)
CMYK	cmyk(72.9%, 37.7%, 0%, 18.8%)
CIE-LAB	lab(53.00, 3.61, -46.80)
CIE-LCH	lch(53.00, 46.94, 274.41°)
OKLab	oklab(59.51% -0.0419 -0.1333)
OKLCH	oklch(59.51% 0.14 252.5)
XYZ	xyz(20.7394, 21.0439, 61.9882)
Luminance	0.2105 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3881CF #CF8638

analogous

#38CDCF #3881CF #3B38CF

triadic

#3881CF #CF3881 #81CF38

tetradic

#3881CF #CF38CD #CF8638 #38CF3B

square

#3881CF #CF38CD #CF8638 #38CF3B

split-complementary

#3881CF #CF3B38 #CDCF38

monochromatic

#1B4571 #2763A3 #3881CF #69A0DB #9BBFE7

Accessibility & contrast

On white

4.03

#3881CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#3881CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3881CF

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3881CF	#FFFFFF	#000000	##000000
##3881CF	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D86D2

Deuteranopia (green-blind)

#4678CD

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3881cf;
/* rgb */ color: rgb(56, 129, 207);
/* oklch */ color: oklch(59.5% 0.140 252.5);

Tailwind

colors: {
  custom: {
    50: '#81a5de',
    500: '#3881cf',
    950: '#000000',
  },
}

SCSS

$custom: #3881cf;
$custom-light: #81a5de;
$custom-dark: #000000;

JSON

{
  "hex": "#3881cf",
  "rgb": {
    "r": 56,
    "g": 129,
    "b": 207
  },
  "hsl": {
    "h": 210.993,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.59512,
    "c": 0.13975,
    "h": 252.5
  },
  "luminance": 0.21046
}

Semantic roles & 50–950 ramp

primary

#3881CF

secondary

#D3B390

accent

#9744E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3881CF

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

Preview Lab → · Contrast checker → · Palette generator →