#3881CC#3881CC

#3881CC is a mid, vivid cyan. Relative luminance 0.209; OKLCH L 59.3% C 0.136 H 251.7°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#3881CC
RGB	rgb(56, 129, 204)
HSL	hsl(210, 59%, 51%)
HSV	hsv(210, 73%, 80%)
CMYK	cmyk(72.5%, 36.8%, 0%, 20%)
CIE-LAB	lab(52.84, 2.53, -45.35)
CIE-LCH	lch(52.84, 45.42, 273.19°)
OKLab	oklab(59.34% -0.0427 -0.1291)
OKLCH	oklch(59.34% 0.136 251.7)
XYZ	xyz(20.3762, 20.8986, 60.0750)
Luminance	0.2090 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3881CC #CC8338

analogous

#38CBCC #3881CC #3938CC

triadic

#3881CC #CC3881 #81CC38

tetradic

#3881CC #CC38CB #CC8338 #38CC39

square

#3881CC #CC38CB #CC8338 #38CC39

split-complementary

#3881CC #CC3938 #CBCC38

monochromatic

#1C446E #29639E #3881CC #69A0D8 #99BFE5

Accessibility & contrast

On white

4.05

#3881CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#3881CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3881CC

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3881CC	#FFFFFF	#000000	##000000
##3881CC	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F86CF

Deuteranopia (green-blind)

#4978CB

Tritanopia (blue-blind)

#00939D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3881cc;
/* rgb */ color: rgb(56, 129, 204);
/* oklch */ color: oklch(59.3% 0.136 251.7);

Tailwind

colors: {
  custom: {
    50: '#81a5dc',
    500: '#3881cc',
    950: '#000000',
  },
}

SCSS

$custom: #3881cc;
$custom-light: #81a5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3881cc",
  "rgb": {
    "r": 56,
    "g": 129,
    "b": 204
  },
  "hsl": {
    "h": 210.405,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.59336,
    "c": 0.13595,
    "h": 251.7
  },
  "luminance": 0.20901
}

Semantic roles & 50–950 ramp

primary

#3881CC

secondary

#D1B08F

accent

#9545E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3881CC

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

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