#3C81DF#3C81DF

#3C81DF is a mid, vivid cyan. Relative luminance 0.220; OKLCH L 60.6% C 0.159 H 257.0°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3C81DF
RGB	rgb(60, 129, 223)
HSL	hsl(215, 72%, 55%)
HSV	hsv(215, 73%, 87%)
CMYK	cmyk(73.1%, 42.2%, 0%, 12.5%)
CIE-LAB	lab(54.01, 9.93, -54.20)
CIE-LCH	lch(54.01, 55.10, 280.38°)
OKLab	oklab(60.63% -0.0358 -0.155)
OKLCH	oklch(60.63% 0.159 257)
XYZ	xyz(23.0281, 21.9863, 72.8279)
Luminance	0.2199 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C81DF #DF9A3C

analogous

#3CD3DF #3C81DF #483CDF

triadic

#3C81DF #DF3C81 #81DF3C

tetradic

#3C81DF #DF3CD3 #DF9A3C #3CDF48

square

#3C81DF #DF3CD3 #DF9A3C #3CDF48

split-complementary

#3C81DF #DF483C #D3DF3C

monochromatic

#17478A #1F63BF #3C81DF #71A3E8 #A5C5F0

Accessibility & contrast

On white

3.89

#3C81DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#3C81DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C81DF

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C81DF	#FFFFFF	#000000	##000000
##3C81DF	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5389E3

Deuteranopia (green-blind)

#367ADD

Tritanopia (blue-blind)

#0097A5

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3c81df;
/* rgb */ color: rgb(60, 129, 223);
/* oklch */ color: oklch(60.6% 0.159 257.0);

Tailwind

colors: {
  custom: {
    50: '#86a5e9',
    500: '#3c81df',
    950: '#000000',
  },
}

SCSS

$custom: #3c81df;
$custom-light: #86a5e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3c81df",
  "rgb": {
    "r": 60,
    "g": 129,
    "b": 223
  },
  "hsl": {
    "h": 214.601,
    "s": 71.806,
    "l": 55.49
  },
  "oklch": {
    "l": 0.60626,
    "c": 0.15906,
    "h": 257
  },
  "luminance": 0.21989
}

Semantic roles & 50–950 ramp

primary

#3C81DF

secondary

#DDC199

accent

#A239EF

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #3C81DF

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

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