#1F728A#1F728A

#1F728A is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 51.5% C 0.085 H 221.8°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#1F728A
RGB	rgb(31, 114, 138)
HSL	hsl(193, 63%, 33%)
HSV	hsv(193, 78%, 54%)
CMYK	cmyk(77.5%, 17.4%, 0%, 45.9%)
CIE-LAB	lab(44.46, -15.71, -20.13)
CIE-LCH	lch(44.46, 25.54, 232.03°)
OKLab	oklab(51.48% -0.063 -0.0563)
OKLCH	oklch(51.48% 0.085 221.8)
XYZ	xyz(11.1679, 14.1596, 26.1843)
Luminance	0.1416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F728A #8A371F

analogous

#1F8A6C #1F728A #1F3C8A

triadic

#1F728A #8A1F72 #728A1F

tetradic

#1F728A #6C1F8A #8A371F #3C8A1F

square

#1F728A #6C1F8A #8A371F #3C8A1F

split-complementary

#1F728A #8A1F3C #8A6C1F

monochromatic

#091F26 #144958 #1F728A #2A9BBC #4CB8D7

Accessibility & contrast

On white

5.48

#1F728A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#1F728A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F728A

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F728A	#FFFFFF	#000000	##FFFFFF
##1F728A	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646F8B

Deuteranopia (green-blind)

#55658A

Tritanopia (blue-blind)

#007A7A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #1f728a;
/* rgb */ color: rgb(31, 114, 138);
/* oklch */ color: oklch(51.5% 0.085 221.8);

Tailwind

colors: {
  custom: {
    50: '#6c9aac',
    500: '#1f728a',
    950: '#000000',
  },
}

SCSS

$custom: #1f728a;
$custom-light: #6c9aac;
$custom-dark: #000000;

JSON

{
  "hex": "#1f728a",
  "rgb": {
    "r": 31,
    "g": 114,
    "b": 138
  },
  "hsl": {
    "h": 193.458,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.51479,
    "c": 0.08455,
    "h": 221.8
  },
  "luminance": 0.14161
}

Semantic roles & 50–950 ramp

primary

#1F728A

secondary

#BA644B

accent

#6641E6

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1F728A

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

Preview Lab → · Contrast checker → · Palette generator →