#3881DD#3881DD

#3881DD is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 60.4% C 0.158 H 255.8°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3881DD
RGB	rgb(56, 129, 221)
HSL	hsl(213, 71%, 54%)
HSV	hsv(213, 75%, 87%)
CMYK	cmyk(74.7%, 41.6%, 0%, 13.3%)
CIE-LAB	lab(53.77, 8.69, -53.47)
CIE-LCH	lch(53.77, 54.17, 279.24°)
OKLab	oklab(60.37% -0.0387 -0.1529)
OKLCH	oklch(60.37% 0.158 255.8)
XYZ	xyz(22.5275, 21.7592, 71.4053)
Luminance	0.2176 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3881DD #DD9438

analogous

#38D3DD #3881DD #4238DD

triadic

#3881DD #DD3881 #81DD38

tetradic

#3881DD #DD38D3 #DD9438 #38DD42

square

#3881DD #DD38D3 #DD9438 #38DD42

split-complementary

#3881DD #DD4238 #D3DD38

monochromatic

#174784 #1F63B8 #3881DD #6CA2E6 #A1C3EF

Accessibility & contrast

On white

3.92

#3881DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#3881DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3881DD

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3881DD	#FFFFFF	#000000	##000000
##3881DD	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5489E1

Deuteranopia (green-blind)

#377ADB

Tritanopia (blue-blind)

#0097A4

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3881dd;
/* rgb */ color: rgb(56, 129, 221);
/* oklch */ color: oklch(60.4% 0.158 255.8);

Tailwind

colors: {
  custom: {
    50: '#84a5e8',
    500: '#3881dd',
    950: '#000000',
  },
}

SCSS

$custom: #3881dd;
$custom-light: #84a5e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3881dd",
  "rgb": {
    "r": 56,
    "g": 129,
    "b": 221
  },
  "hsl": {
    "h": 213.455,
    "s": 70.815,
    "l": 54.314
  },
  "oklch": {
    "l": 0.60366,
    "c": 0.15772,
    "h": 255.8
  },
  "luminance": 0.21762
}

Semantic roles & 50–950 ramp

primary

#3881DD

secondary

#DBBC95

accent

#9E3AEE

background

#F8FAFE

surface

#F0F4FD

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3881DD

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

Preview Lab → · Contrast checker → · Palette generator →