#3179AC#3179AC

#3179AC is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.4% C 0.107 H 243.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3179AC
RGB	rgb(49, 121, 172)
HSL	hsl(205, 56%, 43%)
HSV	hsv(205, 72%, 67%)
CMYK	cmyk(71.5%, 29.7%, 0%, 32.5%)
CIE-LAB	lab(48.64, -5.18, -33.61)
CIE-LCH	lch(48.64, 34.00, 261.24°)
OKLab	oklab(55.45% -0.0483 -0.095)
OKLCH	oklch(55.45% 0.107 243)
XYZ	xyz(15.5475, 17.3045, 41.5424)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3179AC #AC6431

analogous

#31ACA1 #3179AC #313BAC

triadic

#3179AC #AC3179 #79AC31

tetradic

#3179AC #A131AC #AC6431 #3BAC31

square

#3179AC #A131AC #AC6431 #3BAC31

split-complementary

#3179AC #AC313B #ACA131

monochromatic

#16364D #23577C #3179AC #4E98CC #7DB4DA

Accessibility & contrast

On white

4.71

#3179AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#3179AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3179AC

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3179AC	#FFFFFF	#000000	##FFFFFF
##3179AC	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627AAE

Deuteranopia (green-blind)

#516EAB

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3179ac;
/* rgb */ color: rgb(49, 121, 172);
/* oklch */ color: oklch(55.4% 0.107 243.0);

Tailwind

colors: {
  custom: {
    50: '#789fc5',
    500: '#3179ac',
    950: '#000000',
  },
}

SCSS

$custom: #3179ac;
$custom-light: #789fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3179ac",
  "rgb": {
    "r": 49,
    "g": 121,
    "b": 172
  },
  "hsl": {
    "h": 204.878,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.55446,
    "c": 0.10658,
    "h": 243
  },
  "luminance": 0.17306
}

Semantic roles & 50–950 ramp

primary

#3179AC

secondary

#C39676

accent

#8749DF

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3179AC

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

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