#319AB4#319AB4

#319AB4 is a light, moderate cyan. Relative luminance 0.271; OKLCH L 63.8% C 0.100 H 218.0°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#319AB4
RGB	rgb(49, 154, 180)
HSL	hsl(192, 57%, 45%)
HSV	hsv(192, 73%, 71%)
CMYK	cmyk(72.8%, 14.4%, 0%, 29.4%)
CIE-LAB	lab(59.03, -20.85, -22.10)
CIE-LCH	lch(59.03, 30.38, 226.67°)
OKLab	oklab(63.84% -0.0788 -0.0617)
OKLCH	oklch(63.84% 0.1 218)
XYZ	xyz(21.0570, 27.0570, 47.2839)
Luminance	0.2706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#319AB4 #B44B31

analogous

#31B48C #319AB4 #3159B4

triadic

#319AB4 #B4319A #9AB431

tetradic

#319AB4 #8C31B4 #B44B31 #59B431

square

#319AB4 #8C31B4 #B44B31 #59B431

split-complementary

#319AB4 #B43159 #B48C31

monochromatic

#174854 #247184 #319AB4 #52B7D0 #82CBDD

Accessibility & contrast

On white

3.28

#319AB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#319AB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #319AB4

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##319AB4	#FFFFFF	#000000	##000000
##319AB4	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8996B5

Deuteranopia (green-blind)

#7788B4

Tritanopia (blue-blind)

#00A3A2

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #319ab4;
/* rgb */ color: rgb(49, 154, 180);
/* oklch */ color: oklch(63.8% 0.100 218.0);

Tailwind

colors: {
  custom: {
    50: '#7cb8ca',
    500: '#319ab4',
    950: '#000000',
  },
}

SCSS

$custom: #319ab4;
$custom-light: #7cb8ca;
$custom-dark: #000000;

JSON

{
  "hex": "#319ab4",
  "rgb": {
    "r": 49,
    "g": 154,
    "b": 180
  },
  "hsl": {
    "h": 191.908,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.63842,
    "c": 0.10008,
    "h": 218
  },
  "luminance": 0.27059
}

Semantic roles & 50–950 ramp

primary

#319AB4

secondary

#C68A7B

accent

#6647E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #319AB4

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

Preview Lab → · Contrast checker → · Palette generator →