#3179AA#3179AA

#3179AA is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.3% C 0.104 H 242.0°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3179AA
RGB	rgb(49, 121, 170)
HSL	hsl(204, 55%, 43%)
HSV	hsv(204, 71%, 67%)
CMYK	cmyk(71.2%, 28.8%, 0%, 33.3%)
CIE-LAB	lab(48.55, -5.89, -32.59)
CIE-LCH	lch(48.55, 33.12, 259.76°)
OKLab	oklab(55.34% -0.049 -0.0921)
OKLCH	oklch(55.34% 0.104 242)
XYZ	xyz(15.3569, 17.2283, 40.5385)
Luminance	0.1723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3179AA #AA6231

analogous

#31AA9F #3179AA #313CAA

triadic

#3179AA #AA3179 #79AA31

tetradic

#3179AA #9F31AA #AA6231 #3CAA31

square

#3179AA #9F31AA #AA6231 #3CAA31

split-complementary

#3179AA #AA313C #AA9F31

monochromatic

#16354B #23577A #3179AA #4D98CC #7CB4D9

Accessibility & contrast

On white

4.72

#3179AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3179AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3179AA

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3179AA	#FFFFFF	#000000	##FFFFFF
##3179AA	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637AAC

Deuteranopia (green-blind)

#526EA9

Tritanopia (blue-blind)

#00858A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3179aa;
/* rgb */ color: rgb(49, 121, 170);
/* oklch */ color: oklch(55.3% 0.104 242.0);

Tailwind

colors: {
  custom: {
    50: '#789fc3',
    500: '#3179aa',
    950: '#000000',
  },
}

SCSS

$custom: #3179aa;
$custom-light: #789fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3179aa",
  "rgb": {
    "r": 49,
    "g": 121,
    "b": 170
  },
  "hsl": {
    "h": 204.298,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.5534,
    "c": 0.10427,
    "h": 242
  },
  "luminance": 0.1723
}

Semantic roles & 50–950 ramp

primary

#3179AA

secondary

#C29475

accent

#8649DF

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3179AA

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

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