#3179B8#3179B8

#3179B8 is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.1% C 0.121 H 248.3°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3179B8
RGB	rgb(49, 121, 184)
HSL	hsl(208, 58%, 46%)
HSV	hsv(208, 73%, 72%)
CMYK	cmyk(73.4%, 34.2%, 0%, 27.8%)
CIE-LAB	lab(49.24, -0.85, -39.62)
CIE-LCH	lch(49.24, 39.63, 268.77°)
OKLab	oklab(56.11% -0.0447 -0.1125)
OKLCH	oklch(56.11% 0.121 248.3)
XYZ	xyz(16.7524, 17.7865, 47.8883)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3179B8 #B87031

analogous

#31B8B3 #3179B8 #3135B8

triadic

#3179B8 #B83179 #79B831

tetradic

#3179B8 #B331B8 #B87031 #35B831

square

#3179B8 #B331B8 #B87031 #35B831

split-complementary

#3179B8 #B83135 #B8B331

monochromatic

#173957 #245988 #3179B8 #5597D2 #85B5DE

Accessibility & contrast

On white

4.61

#3179B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3179B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3179B8

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3179B8	#FFFFFF	#000000	##FFFFFF
##3179B8	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7CBB

Deuteranopia (green-blind)

#496FB7

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3179b8;
/* rgb */ color: rgb(49, 121, 184);
/* oklch */ color: oklch(56.1% 0.121 248.3);

Tailwind

colors: {
  custom: {
    50: '#7b9fcd',
    500: '#3179b8',
    950: '#000000',
  },
}

SCSS

$custom: #3179b8;
$custom-light: #7b9fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3179b8",
  "rgb": {
    "r": 49,
    "g": 121,
    "b": 184
  },
  "hsl": {
    "h": 208,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.5611,
    "c": 0.12108,
    "h": 248.3
  },
  "luminance": 0.17788
}

Semantic roles & 50–950 ramp

primary

#3179B8

secondary

#C8A07D

accent

#8F47E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3179B8

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

Preview Lab → · Contrast checker → · Palette generator →