#319BB3#319BB3

#319BB3 is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.0% C 0.100 H 216.3°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#319BB3
RGB	rgb(49, 155, 179)
HSL	hsl(191, 57%, 45%)
HSV	hsv(191, 73%, 70%)
CMYK	cmyk(72.6%, 13.4%, 0%, 29.8%)
CIE-LAB	lab(59.30, -21.70, -21.12)
CIE-LCH	lch(59.30, 30.28, 224.23°)
OKLab	oklab(64.05% -0.0802 -0.0589)
OKLCH	oklch(64.05% 0.1 216.3)
XYZ	xyz(21.1212, 27.3479, 46.8046)
Luminance	0.2735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#319BB3 #B34931

analogous

#31B38A #319BB3 #315AB3

triadic

#319BB3 #B3319B #9BB331

tetradic

#319BB3 #8A31B3 #B34931 #5AB331

square

#319BB3 #8A31B3 #B34931 #5AB331

split-complementary

#319BB3 #B3315A #B38A31

monochromatic

#174853 #247183 #319BB3 #52B8D0 #82CCDD

Accessibility & contrast

On white

3.25

#319BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#319BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #319BB3

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##319BB3	#FFFFFF	#000000	##000000
##319BB3	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B96B4

Deuteranopia (green-blind)

#7989B3

Tritanopia (blue-blind)

#00A4A2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #319bb3;
/* rgb */ color: rgb(49, 155, 179);
/* oklch */ color: oklch(64.0% 0.100 216.3);

Tailwind

colors: {
  custom: {
    50: '#7cb8c9',
    500: '#319bb3',
    950: '#000000',
  },
}

SCSS

$custom: #319bb3;
$custom-light: #7cb8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#319bb3",
  "rgb": {
    "r": 49,
    "g": 155,
    "b": 179
  },
  "hsl": {
    "h": 191.077,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.64045,
    "c": 0.09953,
    "h": 216.3
  },
  "luminance": 0.2735
}

Semantic roles & 50–950 ramp

primary

#319BB3

secondary

#C6887A

accent

#6448E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #319BB3

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

Preview Lab → · Contrast checker → · Palette generator →