#3887BB#3887BB

#3887BB is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.8% C 0.110 H 241.0°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3887BB
RGB	rgb(56, 135, 187)
HSL	hsl(204, 54%, 48%)
HSV	hsv(204, 70%, 73%)
CMYK	cmyk(70.1%, 27.8%, 0%, 26.7%)
CIE-LAB	lab(53.77, -7.03, -34.21)
CIE-LCH	lch(53.77, 34.92, 258.39°)
OKLab	oklab(59.79% -0.0534 -0.0965)
OKLCH	oklch(59.79% 0.11 241)
XYZ	xyz(19.2610, 21.7544, 50.1880)
Luminance	0.2176 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3887BB #BB6C38

analogous

#38BBAD #3887BB #3845BB

triadic

#3887BB #BB3887 #87BB38

tetradic

#3887BB #AD38BB #BB6C38 #45BB38

square

#3887BB #AD38BB #BB6C38 #45BB38

split-complementary

#3887BB #BB3845 #BBAD38

monochromatic

#1C435D #2A658C #3887BB #61A4D0 #90BFDE

Accessibility & contrast

On white

3.92

#3887BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#3887BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3887BB

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3887BB	#FFFFFF	#000000	##000000
##3887BB	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F88BD

Deuteranopia (green-blind)

#5D7BBA

Tritanopia (blue-blind)

#009499

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3887bb;
/* rgb */ color: rgb(56, 135, 187);
/* oklch */ color: oklch(59.8% 0.110 241.0);

Tailwind

colors: {
  custom: {
    50: '#7ea9cf',
    500: '#3887bb',
    950: '#000000',
  },
}

SCSS

$custom: #3887bb;
$custom-light: #7ea9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3887bb",
  "rgb": {
    "r": 56,
    "g": 135,
    "b": 187
  },
  "hsl": {
    "h": 203.817,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.59792,
    "c": 0.11031,
    "h": 241
  },
  "luminance": 0.21757
}

Semantic roles & 50–950 ramp

primary

#3887BB

secondary

#C8A186

accent

#854BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3887BB

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

Preview Lab → · Contrast checker → · Palette generator →