#3179B3#3179B3

#3179B3 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.8% C 0.115 H 246.3°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3179B3
RGB	rgb(49, 121, 179)
HSL	hsl(207, 57%, 45%)
HSV	hsv(207, 73%, 70%)
CMYK	cmyk(72.6%, 32.4%, 0%, 29.8%)
CIE-LAB	lab(48.98, -2.66, -37.13)
CIE-LCH	lch(48.98, 37.23, 265.90°)
OKLab	oklab(55.83% -0.0462 -0.1052)
OKLCH	oklch(55.83% 0.115 246.3)
XYZ	xyz(16.2376, 17.5806, 45.1767)
Luminance	0.1758 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3179B3 #B36B31

analogous

#31B3AC #3179B3 #3138B3

triadic

#3179B3 #B33179 #79B331

tetradic

#3179B3 #AC31B3 #B36B31 #38B331

square

#3179B3 #AC31B3 #B36B31 #38B331

split-complementary

#3179B3 #B33138 #B3AC31

monochromatic

#173853 #245983 #3179B3 #5297D0 #82B4DD

Accessibility & contrast

On white

4.65

#3179B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#3179B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3179B3

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3179B3	#FFFFFF	#000000	##FFFFFF
##3179B3	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7BB5

Deuteranopia (green-blind)

#4C6FB2

Tritanopia (blue-blind)

#00878E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3179b3;
/* rgb */ color: rgb(49, 121, 179);
/* oklch */ color: oklch(55.8% 0.115 246.3);

Tailwind

colors: {
  custom: {
    50: '#7a9fca',
    500: '#3179b3',
    950: '#000000',
  },
}

SCSS

$custom: #3179b3;
$custom-light: #7a9fca;
$custom-dark: #000000;

JSON

{
  "hex": "#3179b3",
  "rgb": {
    "r": 49,
    "g": 121,
    "b": 179
  },
  "hsl": {
    "h": 206.769,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55828,
    "c": 0.11494,
    "h": 246.3
  },
  "luminance": 0.17582
}

Semantic roles & 50–950 ramp

primary

#3179B3

secondary

#C69C7A

accent

#8C48E0

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3179B3

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

Preview Lab → · Contrast checker → · Palette generator →