#3C81BC#3C81BC

#3C81BC is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.6% C 0.114 H 247.1°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3C81BC
RGB	rgb(60, 129, 188)
HSL	hsl(208, 52%, 49%)
HSV	hsv(208, 68%, 74%)
CMYK	cmyk(68.1%, 31.4%, 0%, 26.3%)
CIE-LAB	lab(52.16, -2.55, -37.28)
CIE-LCH	lch(52.16, 37.37, 266.09°)
OKLab	oklab(58.58% -0.0445 -0.1055)
OKLCH	oklch(58.58% 0.114 247.1)
XYZ	xyz(18.7874, 20.2900, 50.4934)
Luminance	0.2029 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C81BC #BC773C

analogous

#3CBCB7 #3C81BC #3C41BC

triadic

#3C81BC #BC3C81 #81BC3C

tetradic

#3C81BC #B73CBC #BC773C #41BC3C

square

#3C81BC #B73CBC #BC773C #41BC3C

split-complementary

#3C81BC #BC3C41 #BCB73C

monochromatic

#1E415F #2D618E #3C81BC #679FCE #95BCDD

Accessibility & contrast

On white

4.15

#3C81BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#3C81BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C81BC

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C81BC	#FFFFFF	#000000	##000000
##3C81BC	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6783BF

Deuteranopia (green-blind)

#5577BB

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3c81bc;
/* rgb */ color: rgb(60, 129, 188);
/* oklch */ color: oklch(58.6% 0.114 247.1);

Tailwind

colors: {
  custom: {
    50: '#80a5d0',
    500: '#3c81bc',
    950: '#000000',
  },
}

SCSS

$custom: #3c81bc;
$custom-light: #80a5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c81bc",
  "rgb": {
    "r": 60,
    "g": 129,
    "b": 188
  },
  "hsl": {
    "h": 207.656,
    "s": 51.613,
    "l": 48.627
  },
  "oklch": {
    "l": 0.58579,
    "c": 0.11447,
    "h": 247.1
  },
  "luminance": 0.20292
}

Semantic roles & 50–950 ramp

primary

#3C81BC

secondary

#C9A78B

accent

#8E4DDB

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3C81BC

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

Preview Lab → · Contrast checker → · Palette generator →