#3179BD#3179BD

#3179BD is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.4% C 0.127 H 250.1°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3179BD
RGB	rgb(49, 121, 189)
HSL	hsl(209, 59%, 47%)
HSV	hsv(209, 74%, 74%)
CMYK	cmyk(74.1%, 36%, 0%, 25.9%)
CIE-LAB	lab(49.50, 0.97, -42.09)
CIE-LCH	lch(49.50, 42.10, 271.32°)
OKLab	oklab(56.4% -0.0434 -0.1197)
OKLCH	oklch(56.4% 0.127 250.1)
XYZ	xyz(17.2858, 17.9999, 50.6976)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3179BD #BD7531

analogous

#31BDBB #3179BD #3133BD

triadic

#3179BD #BD3179 #79BD31

tetradic

#3179BD #BB31BD #BD7531 #33BD31

square

#3179BD #BB31BD #BD7531 #33BD31

split-complementary

#3179BD #BD3133 #BDBB31

monochromatic

#183B5C #245A8C #3179BD #5897D4 #88B5E0

Accessibility & contrast

On white

4.56

#3179BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3179BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3179BD

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3179BD	#FFFFFF	#000000	##000000
##3179BD	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7DC0

Deuteranopia (green-blind)

#4570BC

Tritanopia (blue-blind)

#008992

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3179bd;
/* rgb */ color: rgb(49, 121, 189);
/* oklch */ color: oklch(56.4% 0.127 250.1);

Tailwind

colors: {
  custom: {
    50: '#7c9fd1',
    500: '#3179bd',
    950: '#000000',
  },
}

SCSS

$custom: #3179bd;
$custom-light: #7c9fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3179bd",
  "rgb": {
    "r": 49,
    "g": 121,
    "b": 189
  },
  "hsl": {
    "h": 209.143,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56399,
    "c": 0.12735,
    "h": 250.1
  },
  "luminance": 0.18002
}

Semantic roles & 50–950 ramp

primary

#3179BD

secondary

#CAA480

accent

#9246E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3179BD

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

Preview Lab → · Contrast checker → · Palette generator →