#3877CA#3877CA

#3877CA is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 57.0% C 0.144 H 256.4°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3877CA
RGB	rgb(56, 119, 202)
HSL	hsl(214, 58%, 51%)
HSV	hsv(214, 72%, 79%)
CMYK	cmyk(72.3%, 41.1%, 0%, 20.8%)
CIE-LAB	lab(49.85, 7.91, -48.96)
CIE-LCH	lch(49.85, 49.59, 279.17°)
OKLab	oklab(56.97% -0.0339 -0.1398)
OKLCH	oklch(56.97% 0.144 256.4)
XYZ	xyz(18.8845, 18.2966, 58.4020)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3877CA #CA8B38

analogous

#38C0CA #3877CA #4238CA

triadic

#3877CA #CA3877 #77CA38

tetradic

#3877CA #CA38C0 #CA8B38 #38CA42

square

#3877CA #CA38C0 #CA8B38 #38CA42

split-complementary

#3877CA #CA4238 #C0CA38

monochromatic

#1D3E6B #295B9B #3877CA #6898D7 #99B9E4

Accessibility & contrast

On white

4.51

#3877CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#3877CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3877CA

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3877CA	#FFFFFF	#000000	##000000
##3877CA	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7ECD

Deuteranopia (green-blind)

#3770C8

Tritanopia (blue-blind)

#008A96

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3877ca;
/* rgb */ color: rgb(56, 119, 202);
/* oklch */ color: oklch(57.0% 0.144 256.4);

Tailwind

colors: {
  custom: {
    50: '#819dda',
    500: '#3877ca',
    950: '#000000',
  },
}

SCSS

$custom: #3877ca;
$custom-light: #819dda;
$custom-dark: #000000;

JSON

{
  "hex": "#3877ca",
  "rgb": {
    "r": 56,
    "g": 119,
    "b": 202
  },
  "hsl": {
    "h": 214.11,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56973,
    "c": 0.14388,
    "h": 256.4
  },
  "luminance": 0.18299
}

Semantic roles & 50–950 ramp

primary

#3877CA

secondary

#CFB38E

accent

#9E47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3877CA

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

Preview Lab → · Contrast checker → · Palette generator →