#3C81DB#3C81DB

#3C81DB is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 60.4% C 0.154 H 256.2°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3C81DB
RGB	rgb(60, 129, 219)
HSL	hsl(214, 69%, 55%)
HSV	hsv(214, 73%, 86%)
CMYK	cmyk(72.6%, 41.1%, 0%, 14.1%)
CIE-LAB	lab(53.79, 8.48, -52.31)
CIE-LCH	lch(53.79, 52.99, 279.21°)
OKLab	oklab(60.38% -0.0366 -0.1494)
OKLCH	oklch(60.38% 0.154 256.2)
XYZ	xyz(22.4952, 21.7732, 70.0212)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C81DB #DB963C

analogous

#3CD1DB #3C81DB #463CDB

triadic

#3C81DB #DB3C81 #81DB3C

tetradic

#3C81DB #DB3CD1 #DB963C #3CDB46

square

#3C81DB #DB3CD1 #DB963C #3CDB46

split-complementary

#3C81DB #DB463C #D1DB3C

monochromatic

#184784 #2263B8 #3C81DB #70A2E5 #A3C4EE

Accessibility & contrast

On white

3.92

#3C81DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#3C81DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C81DB

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C81DB	#FFFFFF	#000000	##000000
##3C81DB	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5688DF

Deuteranopia (green-blind)

#3B7AD9

Tritanopia (blue-blind)

#0096A3

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3c81db;
/* rgb */ color: rgb(60, 129, 219);
/* oklch */ color: oklch(60.4% 0.154 256.2);

Tailwind

colors: {
  custom: {
    50: '#85a5e7',
    500: '#3c81db',
    950: '#000000',
  },
}

SCSS

$custom: #3c81db;
$custom-light: #85a5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3c81db",
  "rgb": {
    "r": 60,
    "g": 129,
    "b": 219
  },
  "hsl": {
    "h": 213.962,
    "s": 68.831,
    "l": 54.706
  },
  "oklch": {
    "l": 0.60377,
    "c": 0.15387,
    "h": 256.2
  },
  "luminance": 0.21776
}

Semantic roles & 50–950 ramp

primary

#3C81DB

secondary

#DBBE98

accent

#9F3CEC

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3C81DB

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

Preview Lab → · Contrast checker → · Palette generator →