#3877CD#3877CD

#3877CD is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 57.2% C 0.148 H 257.0°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3877CD
RGB	rgb(56, 119, 205)
HSL	hsl(215, 60%, 51%)
HSV	hsv(215, 73%, 80%)
CMYK	cmyk(72.7%, 42%, 0%, 19.6%)
CIE-LAB	lab(50.03, 9.00, -50.40)
CIE-LCH	lch(50.03, 51.19, 280.13°)
OKLab	oklab(57.16% -0.0333 -0.144)
OKLCH	oklch(57.16% 0.148 257)
XYZ	xyz(19.2431, 18.4401, 60.2909)
Luminance	0.1844 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3877CD #CD8E38

analogous

#38C1CD #3877CD #4338CD

triadic

#3877CD #CD3877 #77CD38

tetradic

#3877CD #CD38C1 #CD8E38 #38CD43

square

#3877CD #CD38C1 #CD8E38 #38CD43

split-complementary

#3877CD #CD4338 #C1CD38

monochromatic

#1C3F6F #285BA0 #3877CD #6998D9 #9ABAE6

Accessibility & contrast

On white

4.48

#3877CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#3877CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3877CD

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3877CD	#FFFFFF	#000000	##000000
##3877CD	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7ED0

Deuteranopia (green-blind)

#3471CB

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3877cd;
/* rgb */ color: rgb(56, 119, 205);
/* oklch */ color: oklch(57.2% 0.148 257.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3877cd",
  "rgb": {
    "r": 56,
    "g": 119,
    "b": 205
  },
  "hsl": {
    "h": 214.631,
    "s": 59.839,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57162,
    "c": 0.14784,
    "h": 257
  },
  "luminance": 0.18442
}

Semantic roles & 50–950 ramp

primary

#3877CD

secondary

#D1B58F

accent

#A045E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3877CD

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

Preview Lab → · Contrast checker → · Palette generator →