#3877CE#3877CE

#3877CE is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.2% C 0.149 H 257.2°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3877CE
RGB	rgb(56, 119, 206)
HSL	hsl(215, 60%, 51%)
HSV	hsv(215, 73%, 81%)
CMYK	cmyk(72.8%, 42.2%, 0%, 19.2%)
CIE-LAB	lab(50.08, 9.37, -50.87)
CIE-LCH	lch(50.08, 51.73, 280.43°)
OKLab	oklab(57.23% -0.0331 -0.1454)
OKLCH	oklch(57.23% 0.149 257.2)
XYZ	xyz(19.3642, 18.4885, 60.9286)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3877CE #CE8F38

analogous

#38C2CE #3877CE #4438CE

triadic

#3877CE #CE3877 #77CE38

tetradic

#3877CE #CE38C2 #CE8F38 #38CE44

square

#3877CE #CE38C2 #CE8F38 #38CE44

split-complementary

#3877CE #CE4438 #C2CE38

monochromatic

#1C3F70 #285BA1 #3877CE #6999DA #9ABAE6

Accessibility & contrast

On white

4.47

#3877CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#3877CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3877CE

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3877CE	#FFFFFF	#000000	##000000
##3877CE	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7FD1

Deuteranopia (green-blind)

#3371CC

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3877ce;
/* rgb */ color: rgb(56, 119, 206);
/* oklch */ color: oklch(57.2% 0.149 257.2);

Tailwind

colors: {
  custom: {
    50: '#819ddd',
    500: '#3877ce',
    950: '#000000',
  },
}

SCSS

$custom: #3877ce;
$custom-light: #819ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#3877ce",
  "rgb": {
    "r": 56,
    "g": 119,
    "b": 206
  },
  "hsl": {
    "h": 214.8,
    "s": 60.484,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57226,
    "c": 0.14915,
    "h": 257.2
  },
  "luminance": 0.18491
}

Semantic roles & 50–950 ramp

primary

#3877CE

secondary

#D2B690

accent

#A144E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3877CE

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

Preview Lab → · Contrast checker → · Palette generator →