#3179BB#3179BB

#3179BB is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.3% C 0.125 H 249.4°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#3179BB
RGB	rgb(49, 121, 187)
HSL	hsl(209, 58%, 46%)
HSV	hsv(209, 74%, 73%)
CMYK	cmyk(73.8%, 35.3%, 0%, 26.7%)
CIE-LAB	lab(49.39, 0.24, -41.11)
CIE-LCH	lch(49.39, 41.11, 270.34°)
OKLab	oklab(56.28% -0.0439 -0.1169)
OKLCH	oklch(56.28% 0.125 249.4)
XYZ	xyz(17.0702, 17.9136, 49.5621)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3179BB #BB7331

analogous

#31BBB8 #3179BB #3134BB

triadic

#3179BB #BB3179 #79BB31

tetradic

#3179BB #B831BB #BB7331 #34BB31

square

#3179BB #B831BB #BB7331 #34BB31

split-complementary

#3179BB #BB3134 #BBB831

monochromatic

#183A5A #245A8B #3179BB #5697D3 #87B5E0

Accessibility & contrast

On white

4.58

#3179BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3179BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3179BB

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3179BB	#FFFFFF	#000000	##000000
##3179BB	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7CBE

Deuteranopia (green-blind)

#4770BA

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3179bb;
/* rgb */ color: rgb(49, 121, 187);
/* oklch */ color: oklch(56.3% 0.125 249.4);

Tailwind

colors: {
  custom: {
    50: '#7b9fd0',
    500: '#3179bb',
    950: '#000000',
  },
}

SCSS

$custom: #3179bb;
$custom-light: #7b9fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3179bb",
  "rgb": {
    "r": 49,
    "g": 121,
    "b": 187
  },
  "hsl": {
    "h": 208.696,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56282,
    "c": 0.12483,
    "h": 249.4
  },
  "luminance": 0.17916
}

Semantic roles & 50–950 ramp

primary

#3179BB

secondary

#C9A27F

accent

#9146E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3179BB

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

Preview Lab → · Contrast checker → · Palette generator →