#3887B7#3887B7

#3887B7 is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.6% C 0.106 H 238.9°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#3887B7
RGB	rgb(56, 135, 183)
HSL	hsl(203, 53%, 47%)
HSV	hsv(203, 69%, 72%)
CMYK	cmyk(69.4%, 26.2%, 0%, 28.2%)
CIE-LAB	lab(53.58, -8.41, -32.20)
CIE-LCH	lch(53.58, 33.28, 255.37°)
OKLab	oklab(59.59% -0.0547 -0.0907)
OKLCH	oklch(59.59% 0.106 238.9)
XYZ	xyz(18.8388, 21.5855, 47.9641)
Luminance	0.2159 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3887B7 #B76838

analogous

#38B7A8 #3887B7 #3848B7

triadic

#3887B7 #B73887 #87B738

tetradic

#3887B7 #A838B7 #B76838 #48B738

square

#3887B7 #A838B7 #B76838 #48B738

split-complementary

#3887B7 #B73848 #B7A838

monochromatic

#1B4259 #2A6488 #3887B7 #5EA4CE #8DBEDC

Accessibility & contrast

On white

3.95

#3887B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#3887B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3887B7

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3887B7	#FFFFFF	#000000	##000000
##3887B7	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7187B9

Deuteranopia (green-blind)

#5F7BB6

Tritanopia (blue-blind)

#009397

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3887b7;
/* rgb */ color: rgb(56, 135, 183);
/* oklch */ color: oklch(59.6% 0.106 238.9);

Tailwind

colors: {
  custom: {
    50: '#7da9cc',
    500: '#3887b7',
    950: '#000000',
  },
}

SCSS

$custom: #3887b7;
$custom-light: #7da9cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3887b7",
  "rgb": {
    "r": 56,
    "g": 135,
    "b": 183
  },
  "hsl": {
    "h": 202.677,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.59589,
    "c": 0.10595,
    "h": 238.9
  },
  "luminance": 0.21588
}

Semantic roles & 50–950 ramp

primary

#3887B7

secondary

#C79D84

accent

#824BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3887B7

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

Preview Lab → · Contrast checker → · Palette generator →