#3887CB#3887CB

#3887CB is a mid, vivid cyan. Relative luminance 0.225; OKLCH L 60.6% C 0.129 H 247.9°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3887CB
RGB	rgb(56, 135, 203)
HSL	hsl(208, 59%, 51%)
HSV	hsv(208, 72%, 80%)
CMYK	cmyk(72.4%, 33.5%, 0%, 20.4%)
CIE-LAB	lab(54.53, -1.40, -42.11)
CIE-LCH	lch(54.53, 42.13, 268.09°)
OKLab	oklab(60.65% -0.0486 -0.1195)
OKLCH	oklch(60.65% 0.129 247.9)
XYZ	xyz(21.0703, 22.4781, 59.7166)
Luminance	0.2248 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3887CB #CB7C38

analogous

#38CBC5 #3887CB #383DCB

triadic

#3887CB #CB3887 #87CB38

tetradic

#3887CB #C538CB #CB7C38 #3DCB38

square

#3887CB #C538CB #CB7C38 #3DCB38

split-complementary

#3887CB #CB383D #CBC538

monochromatic

#1C476C #29679D #3887CB #69A4D8 #99C2E4

Accessibility & contrast

On white

3.82

#3887CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#3887CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3887CB

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3887CB	#FFFFFF	#000000	##000000
##3887CB	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#688ACE

Deuteranopia (green-blind)

#537CCA

Tritanopia (blue-blind)

#0097A0

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3887cb;
/* rgb */ color: rgb(56, 135, 203);
/* oklch */ color: oklch(60.6% 0.129 247.9);

Tailwind

colors: {
  custom: {
    50: '#81a9db',
    500: '#3887cb',
    950: '#000000',
  },
}

SCSS

$custom: #3887cb;
$custom-light: #81a9db;
$custom-dark: #000000;

JSON

{
  "hex": "#3887cb",
  "rgb": {
    "r": 56,
    "g": 135,
    "b": 203
  },
  "hsl": {
    "h": 207.755,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.60647,
    "c": 0.129,
    "h": 247.9
  },
  "luminance": 0.2248
}

Semantic roles & 50–950 ramp

primary

#3887CB

secondary

#D0AD8F

accent

#8E46E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3887CB

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

Preview Lab → · Contrast checker → · Palette generator →