#3179BC#3179BC

#3179BC is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.3% C 0.126 H 249.8°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3179BC
RGB	rgb(49, 121, 188)
HSL	hsl(209, 59%, 46%)
HSV	hsv(209, 74%, 74%)
CMYK	cmyk(73.9%, 35.6%, 0%, 26.3%)
CIE-LAB	lab(49.44, 0.61, -41.60)
CIE-LCH	lch(49.44, 41.60, 270.84°)
OKLab	oklab(56.34% -0.0436 -0.1183)
OKLCH	oklch(56.34% 0.126 249.8)
XYZ	xyz(17.1777, 17.9566, 50.1279)
Luminance	0.1796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3179BC #BC7431

analogous

#31BCBA #3179BC #3133BC

triadic

#3179BC #BC3179 #79BC31

tetradic

#3179BC #BA31BC #BC7431 #33BC31

square

#3179BC #BA31BC #BC7431 #33BC31

split-complementary

#3179BC #BC3133 #BCBA31

monochromatic

#183B5B #245A8B #3179BC #5797D3 #88B5E0

Accessibility & contrast

On white

4.57

#3179BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#3179BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3179BC

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3179BC	#FFFFFF	#000000	##000000
##3179BC	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7DBF

Deuteranopia (green-blind)

#4670BB

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3179bc;
/* rgb */ color: rgb(49, 121, 188);
/* oklch */ color: oklch(56.3% 0.126 249.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3179bc",
  "rgb": {
    "r": 49,
    "g": 121,
    "b": 188
  },
  "hsl": {
    "h": 208.921,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.5634,
    "c": 0.12609,
    "h": 249.8
  },
  "luminance": 0.17959
}

Semantic roles & 50–950 ramp

primary

#3179BC

secondary

#CAA37F

accent

#9146E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3179BC

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

Preview Lab → · Contrast checker → · Palette generator →