#3C79BB#3C79BB

#3C79BB is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.121 H 252.3°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3C79BB
RGB	rgb(60, 121, 187)
HSL	hsl(211, 51%, 48%)
HSV	hsv(211, 68%, 73%)
CMYK	cmyk(67.9%, 35.3%, 0%, 26.7%)
CIE-LAB	lab(49.76, 1.89, -40.49)
CIE-LCH	lch(49.76, 40.54, 272.67°)
OKLab	oklab(56.68% -0.0367 -0.1149)
OKLCH	oklch(56.68% 0.121 252.3)
XYZ	xyz(17.6672, 18.2214, 49.5901)
Luminance	0.1822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C79BB #BB7E3C

analogous

#3CB8BB #3C79BB #3E3CBB

triadic

#3C79BB #BB3C79 #79BB3C

tetradic

#3C79BB #BB3CB8 #BB7E3C #3CBB3E

square

#3C79BB #BB3CB8 #BB7E3C #3CBB3E

split-complementary

#3C79BB #BB3E3C #B8BB3C

monochromatic

#1E3D5E #2D5B8D #3C79BB #6698CE #95B7DD

Accessibility & contrast

On white

4.52

#3C79BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3C79BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C79BB

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C79BB	#FFFFFF	#000000	##000000
##3C79BB	1.00	4.52	4.64	4.64
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7DBE

Deuteranopia (green-blind)

#4A71BA

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3c79bb;
/* rgb */ color: rgb(60, 121, 187);
/* oklch */ color: oklch(56.7% 0.121 252.3);

Tailwind

colors: {
  custom: {
    50: '#7f9fd0',
    500: '#3c79bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c79bb;
$custom-light: #7f9fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c79bb",
  "rgb": {
    "r": 60,
    "g": 121,
    "b": 187
  },
  "hsl": {
    "h": 211.181,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.56679,
    "c": 0.12064,
    "h": 252.3
  },
  "luminance": 0.18223
}

Semantic roles & 50–950 ramp

primary

#3C79BB

secondary

#C8AB8B

accent

#974DDB

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3C79BB

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

Preview Lab → · Contrast checker → · Palette generator →