#3876B8#3876B8

#3876B8 is a mid, vivid cyan. Relative luminance 0.173; OKLCH L 55.7% C 0.121 H 252.1°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3876B8
RGB	rgb(56, 118, 184)
HSL	hsl(211, 53%, 47%)
HSV	hsv(211, 70%, 72%)
CMYK	cmyk(69.6%, 35.9%, 0%, 27.8%)
CIE-LAB	lab(48.58, 2.00, -40.64)
CIE-LCH	lch(48.58, 40.69, 272.82°)
OKLab	oklab(55.66% -0.0373 -0.1154)
OKLCH	oklch(55.66% 0.121 252.1)
XYZ	xyz(16.7578, 17.2565, 47.7858)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3876B8 #B87A38

analogous

#38B6B8 #3876B8 #3A38B8

triadic

#3876B8 #B83876 #76B838

tetradic

#3876B8 #B838B6 #B87A38 #38B83A

square

#3876B8 #B838B6 #B87A38 #38B83A

split-complementary

#3876B8 #B83A38 #B6B838

monochromatic

#1B3A5A #2A5889 #3876B8 #5F95CE #8EB4DD

Accessibility & contrast

On white

4.72

#3876B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3876B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3876B8

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3876B8	#FFFFFF	#000000	##FFFFFF
##3876B8	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587ABB

Deuteranopia (green-blind)

#466EB7

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3876b8;
/* rgb */ color: rgb(56, 118, 184);
/* oklch */ color: oklch(55.7% 0.121 252.1);

Tailwind

colors: {
  custom: {
    50: '#7d9dcd',
    500: '#3876b8',
    950: '#000000',
  },
}

SCSS

$custom: #3876b8;
$custom-light: #7d9dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3876b8",
  "rgb": {
    "r": 56,
    "g": 118,
    "b": 184
  },
  "hsl": {
    "h": 210.938,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55661,
    "c": 0.12132,
    "h": 252.1
  },
  "luminance": 0.17258
}

Semantic roles & 50–950 ramp

primary

#3876B8

secondary

#C7A785

accent

#964BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3876B8

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

Preview Lab → · Contrast checker → · Palette generator →