#319BB5#319BB5

#319BB5 is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.1% C 0.101 H 217.9°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#319BB5
RGB	rgb(49, 155, 181)
HSL	hsl(192, 57%, 45%)
HSV	hsv(192, 73%, 71%)
CMYK	cmyk(72.9%, 14.4%, 0%, 29%)
CIE-LAB	lab(59.37, -21.05, -22.14)
CIE-LCH	lch(59.37, 30.55, 226.45°)
OKLab	oklab(64.13% -0.0794 -0.0618)
OKLCH	oklch(64.13% 0.101 217.9)
XYZ	xyz(21.3250, 27.4294, 47.8776)
Luminance	0.2743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#319BB5 #B54B31

analogous

#31B58D #319BB5 #3159B5

triadic

#319BB5 #B5319B #9BB531

tetradic

#319BB5 #8D31B5 #B54B31 #59B531

square

#319BB5 #8D31B5 #B54B31 #59B531

split-complementary

#319BB5 #B53159 #B58D31

monochromatic

#174955 #247285 #319BB5 #53B8D0 #83CCDD

Accessibility & contrast

On white

3.24

#319BB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#319BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #319BB5

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##319BB5	#FFFFFF	#000000	##000000
##319BB5	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A96B6

Deuteranopia (green-blind)

#7889B5

Tritanopia (blue-blind)

#00A4A3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #319bb5;
/* rgb */ color: rgb(49, 155, 181);
/* oklch */ color: oklch(64.1% 0.101 217.9);

Tailwind

colors: {
  custom: {
    50: '#7cb8cb',
    500: '#319bb5',
    950: '#000000',
  },
}

SCSS

$custom: #319bb5;
$custom-light: #7cb8cb;
$custom-dark: #000000;

JSON

{
  "hex": "#319bb5",
  "rgb": {
    "r": 49,
    "g": 155,
    "b": 181
  },
  "hsl": {
    "h": 191.818,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.6413,
    "c": 0.10063,
    "h": 217.9
  },
  "luminance": 0.27432
}

Semantic roles & 50–950 ramp

primary

#319BB5

secondary

#C78A7B

accent

#6547E1

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #319BB5

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

Preview Lab → · Contrast checker → · Palette generator →