#3876B9#3876B9

#3876B9 is a mid, vivid cyan. Relative luminance 0.173; OKLCH L 55.7% C 0.123 H 252.4°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3876B9
RGB	rgb(56, 118, 185)
HSL	hsl(211, 54%, 47%)
HSV	hsv(211, 70%, 73%)
CMYK	cmyk(69.7%, 36.2%, 0%, 27.5%)
CIE-LAB	lab(48.63, 2.36, -41.14)
CIE-LCH	lch(48.63, 41.20, 273.28°)
OKLab	oklab(55.72% -0.037 -0.1169)
OKLCH	oklch(55.72% 0.123 252.4)
XYZ	xyz(16.8630, 17.2986, 48.3398)
Luminance	0.1730 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3876B9 #B97B38

analogous

#38B6B9 #3876B9 #3B38B9

triadic

#3876B9 #B93876 #76B938

tetradic

#3876B9 #B938B6 #B97B38 #38B93B

square

#3876B9 #B938B6 #B97B38 #38B93B

split-complementary

#3876B9 #B93B38 #B6B938

monochromatic

#1C3A5B #2A588A #3876B9 #5F95CF #8EB4DD

Accessibility & contrast

On white

4.71

#3876B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#3876B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3876B9

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3876B9	#FFFFFF	#000000	##FFFFFF
##3876B9	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587ABC

Deuteranopia (green-blind)

#456EB8

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3876b9;
/* rgb */ color: rgb(56, 118, 185);
/* oklch */ color: oklch(55.7% 0.123 252.4);

Tailwind

colors: {
  custom: {
    50: '#7d9dce',
    500: '#3876b9',
    950: '#000000',
  },
}

SCSS

$custom: #3876b9;
$custom-light: #7d9dce;
$custom-dark: #000000;

JSON

{
  "hex": "#3876b9",
  "rgb": {
    "r": 56,
    "g": 118,
    "b": 185
  },
  "hsl": {
    "h": 211.163,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.5572,
    "c": 0.12262,
    "h": 252.4
  },
  "luminance": 0.173
}

Semantic roles & 50–950 ramp

primary

#3876B9

secondary

#C8A885

accent

#974BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3876B9

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

Preview Lab → · Contrast checker → · Palette generator →