#3881BB#3881BB

#3881BB is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.4% C 0.115 H 245.7°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3881BB
RGB	rgb(56, 129, 187)
HSL	hsl(207, 54%, 48%)
HSV	hsv(207, 70%, 73%)
CMYK	cmyk(70.1%, 31%, 0%, 26.7%)
CIE-LAB	lab(51.98, -3.53, -37.01)
CIE-LCH	lch(51.98, 37.17, 264.55°)
OKLab	oklab(58.38% -0.0474 -0.1047)
OKLCH	oklch(58.38% 0.115 245.7)
XYZ	xyz(18.4474, 20.1271, 49.9168)
Luminance	0.2013 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3881BB #BB7238

analogous

#38BBB3 #3881BB #3840BB

triadic

#3881BB #BB3881 #81BB38

tetradic

#3881BB #B338BB #BB7238 #40BB38

square

#3881BB #B338BB #BB7238 #40BB38

split-complementary

#3881BB #BB3840 #BBB338

monochromatic

#1C405D #2A618C #3881BB #619ED0 #90BBDE

Accessibility & contrast

On white

4.18

#3881BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#3881BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3881BB

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3881BB	#FFFFFF	#000000	##000000
##3881BB	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6783BE

Deuteranopia (green-blind)

#5576BA

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3881bb;
/* rgb */ color: rgb(56, 129, 187);
/* oklch */ color: oklch(58.4% 0.115 245.7);

Tailwind

colors: {
  custom: {
    50: '#7ea5cf',
    500: '#3881bb',
    950: '#000000',
  },
}

SCSS

$custom: #3881bb;
$custom-light: #7ea5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3881bb",
  "rgb": {
    "r": 56,
    "g": 129,
    "b": 187
  },
  "hsl": {
    "h": 206.565,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.58382,
    "c": 0.11494,
    "h": 245.7
  },
  "luminance": 0.20129
}

Semantic roles & 50–950 ramp

primary

#3881BB

secondary

#C8A486

accent

#8B4BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3881BB

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

Preview Lab → · Contrast checker → · Palette generator →