#319DB3#319DB3

#319DB3 is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.5% C 0.100 H 214.4°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#319DB3
RGB	rgb(49, 157, 179)
HSL	hsl(190, 57%, 45%)
HSV	hsv(190, 73%, 70%)
CMYK	cmyk(72.6%, 12.3%, 0%, 29.8%)
CIE-LAB	lab(59.91, -22.73, -20.19)
CIE-LCH	lch(59.91, 30.40, 221.61°)
OKLab	oklab(64.54% -0.0822 -0.0563)
OKLCH	oklch(64.54% 0.1 214.4)
XYZ	xyz(21.4568, 28.0191, 46.9165)
Luminance	0.2802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#319DB3 #B34731

analogous

#31B388 #319DB3 #315CB3

triadic

#319DB3 #B3319D #9DB331

tetradic

#319DB3 #8831B3 #B34731 #5CB331

square

#319DB3 #8831B3 #B34731 #5CB331

split-complementary

#319DB3 #B3315C #B38831

monochromatic

#174953 #247383 #319DB3 #52BAD0 #82CDDD

Accessibility & contrast

On white

3.18

#319DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#319DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #319DB3

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##319DB3	#FFFFFF	#000000	##000000
##319DB3	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D98B4

Deuteranopia (green-blind)

#7B8BB3

Tritanopia (blue-blind)

#00A5A4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #319db3;
/* rgb */ color: rgb(49, 157, 179);
/* oklch */ color: oklch(64.5% 0.100 214.4);

Tailwind

colors: {
  custom: {
    50: '#7cbac9',
    500: '#319db3',
    950: '#000000',
  },
}

SCSS

$custom: #319db3;
$custom-light: #7cbac9;
$custom-dark: #000000;

JSON

{
  "hex": "#319db3",
  "rgb": {
    "r": 49,
    "g": 157,
    "b": 179
  },
  "hsl": {
    "h": 190.154,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.64537,
    "c": 0.09965,
    "h": 214.4
  },
  "luminance": 0.28022
}

Semantic roles & 50–950 ramp

primary

#319DB3

secondary

#C6877A

accent

#6148E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #319DB3

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

Preview Lab → · Contrast checker → · Palette generator →