#3179B9#3179B9

#3179B9 is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.2% C 0.122 H 248.7°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3179B9
RGB	rgb(49, 121, 185)
HSL	hsl(208, 58%, 46%)
HSV	hsv(208, 74%, 73%)
CMYK	cmyk(73.5%, 34.6%, 0%, 27.5%)
CIE-LAB	lab(49.29, -0.49, -40.12)
CIE-LCH	lch(49.29, 40.12, 269.30°)
OKLab	oklab(56.17% -0.0445 -0.114)
OKLCH	oklch(56.17% 0.122 248.7)
XYZ	xyz(16.8576, 17.8286, 48.4423)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3179B9 #B97131

analogous

#31B9B5 #3179B9 #3135B9

triadic

#3179B9 #B93179 #79B931

tetradic

#3179B9 #B531B9 #B97131 #35B931

square

#3179B9 #B531B9 #B97131 #35B931

split-complementary

#3179B9 #B93135 #B9B531

monochromatic

#173A58 #245989 #3179B9 #5597D2 #86B5DF

Accessibility & contrast

On white

4.60

#3179B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#3179B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3179B9

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3179B9	#FFFFFF	#000000	##FFFFFF
##3179B9	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7CBC

Deuteranopia (green-blind)

#486FB8

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3179b9;
/* rgb */ color: rgb(49, 121, 185);
/* oklch */ color: oklch(56.2% 0.122 248.7);

Tailwind

colors: {
  custom: {
    50: '#7b9fce',
    500: '#3179b9',
    950: '#000000',
  },
}

SCSS

$custom: #3179b9;
$custom-light: #7b9fce;
$custom-dark: #000000;

JSON

{
  "hex": "#3179b9",
  "rgb": {
    "r": 49,
    "g": 121,
    "b": 185
  },
  "hsl": {
    "h": 208.235,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.56167,
    "c": 0.12233,
    "h": 248.7
  },
  "luminance": 0.1783
}

Semantic roles & 50–950 ramp

primary

#3179B9

secondary

#C8A17D

accent

#8F46E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3179B9

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

Preview Lab → · Contrast checker → · Palette generator →