#3C79B8#3C79B8

#3C79B8 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.5% C 0.117 H 251.3°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3C79B8
RGB	rgb(60, 121, 184)
HSL	hsl(210, 51%, 48%)
HSV	hsv(210, 67%, 72%)
CMYK	cmyk(67.4%, 34.2%, 0%, 27.8%)
CIE-LAB	lab(49.61, 0.83, -39.01)
CIE-LCH	lch(49.61, 39.01, 271.21°)
OKLab	oklab(56.51% -0.0375 -0.1106)
OKLCH	oklch(56.51% 0.117 251.3)
XYZ	xyz(17.3494, 18.0943, 47.9163)
Luminance	0.1810 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C79B8 #B87B3C

analogous

#3CB7B8 #3C79B8 #3D3CB8

triadic

#3C79B8 #B83C79 #79B83C

tetradic

#3C79B8 #B83CB7 #B87B3C #3CB83D

square

#3C79B8 #B83CB7 #B87B3C #3CB83D

split-complementary

#3C79B8 #B83D3C #B7B83C

monochromatic

#1E3C5C #2D5B8A #3C79B8 #6598CD #93B7DC

Accessibility & contrast

On white

4.55

#3C79B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3C79B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C79B8

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C79B8	#FFFFFF	#000000	##000000
##3C79B8	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7CBB

Deuteranopia (green-blind)

#4C71B7

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3c79b8;
/* rgb */ color: rgb(60, 121, 184);
/* oklch */ color: oklch(56.5% 0.117 251.3);

Tailwind

colors: {
  custom: {
    50: '#7f9fcd',
    500: '#3c79b8',
    950: '#000000',
  },
}

SCSS

$custom: #3c79b8;
$custom-light: #7f9fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3c79b8",
  "rgb": {
    "r": 60,
    "g": 121,
    "b": 184
  },
  "hsl": {
    "h": 210.484,
    "s": 50.82,
    "l": 47.843
  },
  "oklch": {
    "l": 0.56508,
    "c": 0.11677,
    "h": 251.3
  },
  "luminance": 0.18096
}

Semantic roles & 50–950 ramp

primary

#3C79B8

secondary

#C7A889

accent

#954DDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3C79B8

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

Preview Lab → · Contrast checker → · Palette generator →