#3877CF#3877CF

#3877CF is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.3% C 0.150 H 257.4°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3877CF
RGB	rgb(56, 119, 207)
HSL	hsl(215, 61%, 52%)
HSV	hsv(215, 73%, 81%)
CMYK	cmyk(72.9%, 42.5%, 0%, 18.8%)
CIE-LAB	lab(50.14, 9.73, -51.35)
CIE-LCH	lch(50.14, 52.26, 280.73°)
OKLab	oklab(57.29% -0.0329 -0.1468)
OKLCH	oklch(57.29% 0.15 257.4)
XYZ	xyz(19.4861, 18.5372, 61.5705)
Luminance	0.1854 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3877CF #CF9038

analogous

#38C3CF #3877CF #4538CF

triadic

#3877CF #CF3877 #77CF38

tetradic

#3877CF #CF38C3 #CF9038 #38CF45

square

#3877CF #CF38C3 #CF9038 #38CF45

split-complementary

#3877CF #CF4538 #C3CF38

monochromatic

#1B3F71 #275BA3 #3877CF #6999DB #9BBAE7

Accessibility & contrast

On white

4.46

#3877CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#3877CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3877CF

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3877CF	#FFFFFF	#000000	##000000
##3877CF	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7FD2

Deuteranopia (green-blind)

#3171CD

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3877cf;
/* rgb */ color: rgb(56, 119, 207);
/* oklch */ color: oklch(57.3% 0.150 257.4);

Tailwind

colors: {
  custom: {
    50: '#829dde',
    500: '#3877cf',
    950: '#000000',
  },
}

SCSS

$custom: #3877cf;
$custom-light: #829dde;
$custom-dark: #000000;

JSON

{
  "hex": "#3877cf",
  "rgb": {
    "r": 56,
    "g": 119,
    "b": 207
  },
  "hsl": {
    "h": 214.967,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57289,
    "c": 0.15048,
    "h": 257.4
  },
  "luminance": 0.18539
}

Semantic roles & 50–950 ramp

primary

#3877CF

secondary

#D3B790

accent

#A144E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3877CF

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

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