#3179DB#3179DB

#3179DB is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 58.3% C 0.166 H 257.2°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3179DB
RGB	rgb(49, 121, 219)
HSL	hsl(215, 70%, 53%)
HSV	hsv(215, 78%, 86%)
CMYK	cmyk(77.6%, 44.7%, 0%, 14.1%)
CIE-LAB	lab(51.20, 12.08, -56.47)
CIE-LCH	lch(51.20, 57.75, 282.07°)
OKLab	oklab(58.28% -0.0367 -0.162)
OKLCH	oklch(58.28% 0.166 257.2)
XYZ	xyz(20.8855, 19.4397, 69.6556)
Luminance	0.1944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3179DB #DB9331

analogous

#31CEDB #3179DB #3E31DB

triadic

#3179DB #DB3179 #79DB31

tetradic

#3179DB #DB31CE #DB9331 #31DB3E

square

#3179DB #DB31CE #DB9331 #31DB3E

split-complementary

#3179DB #DB3E31 #CEDB31

monochromatic

#16417C #1F5CB0 #3179DB #659BE4 #99BDED

Accessibility & contrast

On white

4.30

#3179DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#3179DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3179DB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3179DB	#FFFFFF	#000000	##000000
##3179DB	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4682DF

Deuteranopia (green-blind)

#2073D9

Tritanopia (blue-blind)

#00909F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3179db;
/* rgb */ color: rgb(49, 121, 219);
/* oklch */ color: oklch(58.3% 0.166 257.2);

Tailwind

colors: {
  custom: {
    50: '#829fe7',
    500: '#3179db',
    950: '#000000',
  },
}

SCSS

$custom: #3179db;
$custom-light: #829fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#3179db",
  "rgb": {
    "r": 49,
    "g": 121,
    "b": 219
  },
  "hsl": {
    "h": 214.588,
    "s": 70.248,
    "l": 52.549
  },
  "oklch": {
    "l": 0.58275,
    "c": 0.16606,
    "h": 257.2
  },
  "luminance": 0.19442
}

Semantic roles & 50–950 ramp

primary

#3179DB

secondary

#D9BA8F

accent

#A23BED

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3179DB

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

Preview Lab → · Contrast checker → · Palette generator →