#3876B7#3876B7

#3876B7 is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.6% C 0.120 H 251.8°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3876B7
RGB	rgb(56, 118, 183)
HSL	hsl(211, 53%, 47%)
HSV	hsv(211, 69%, 72%)
CMYK	cmyk(69.4%, 35.5%, 0%, 28.2%)
CIE-LAB	lab(48.53, 1.64, -40.14)
CIE-LCH	lch(48.53, 40.18, 272.34°)
OKLab	oklab(55.6% -0.0375 -0.114)
OKLCH	oklch(55.6% 0.12 251.8)
XYZ	xyz(16.6534, 17.2148, 47.2357)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3876B7 #B77938

analogous

#38B6B7 #3876B7 #3A38B7

triadic

#3876B7 #B73876 #76B738

tetradic

#3876B7 #B738B6 #B77938 #38B73A

square

#3876B7 #B738B6 #B77938 #38B73A

split-complementary

#3876B7 #B73A38 #B6B738

monochromatic

#1B3A59 #2A5888 #3876B7 #5E95CE #8DB4DC

Accessibility & contrast

On white

4.73

#3876B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3876B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3876B7

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3876B7	#FFFFFF	#000000	##FFFFFF
##3876B7	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597ABA

Deuteranopia (green-blind)

#476EB6

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3876b7;
/* rgb */ color: rgb(56, 118, 183);
/* oklch */ color: oklch(55.6% 0.120 251.8);

Tailwind

colors: {
  custom: {
    50: '#7d9dcd',
    500: '#3876b7',
    950: '#000000',
  },
}

SCSS

$custom: #3876b7;
$custom-light: #7d9dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3876b7",
  "rgb": {
    "r": 56,
    "g": 118,
    "b": 183
  },
  "hsl": {
    "h": 210.709,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55604,
    "c": 0.12003,
    "h": 251.8
  },
  "luminance": 0.17217
}

Semantic roles & 50–950 ramp

primary

#3876B7

secondary

#C7A684

accent

#964BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3876B7

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

Preview Lab → · Contrast checker → · Palette generator →