#1D728A#1D728A

#1D728A is a mid, moderate cyan. Relative luminance 0.141; OKLCH L 51.4% C 0.085 H 221.5°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#1D728A
RGB	rgb(29, 114, 138)
HSL	hsl(193, 65%, 33%)
HSV	hsv(193, 79%, 54%)
CMYK	cmyk(79%, 17.4%, 0%, 45.9%)
CIE-LAB	lab(44.42, -15.95, -20.20)
CIE-LCH	lch(44.42, 25.74, 231.70°)
OKLab	oklab(51.43% -0.0639 -0.0565)
OKLCH	oklch(51.43% 0.085 221.5)
XYZ	xyz(11.1095, 14.1295, 26.1816)
Luminance	0.1413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D728A #8A351D

analogous

#1D8A6B #1D728A #1D3C8A

triadic

#1D728A #8A1D72 #728A1D

tetradic

#1D728A #6B1D8A #8A351D #3C8A1D

square

#1D728A #6B1D8A #8A351D #3C8A1D

split-complementary

#1D728A #8A1D3C #8A6B1D

monochromatic

#081E25 #124857 #1D728A #289CBD #49B9D9

Accessibility & contrast

On white

5.49

#1D728A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#1D728A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D728A

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D728A	#FFFFFF	#000000	##FFFFFF
##1D728A	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646F8B

Deuteranopia (green-blind)

#55648A

Tritanopia (blue-blind)

#007A7A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #1d728a;
/* rgb */ color: rgb(29, 114, 138);
/* oklch */ color: oklch(51.4% 0.085 221.5);

Tailwind

colors: {
  custom: {
    50: '#6c9aac',
    500: '#1d728a',
    950: '#000000',
  },
}

SCSS

$custom: #1d728a;
$custom-light: #6c9aac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d728a",
  "rgb": {
    "r": 29,
    "g": 114,
    "b": 138
  },
  "hsl": {
    "h": 193.211,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.51432,
    "c": 0.08533,
    "h": 221.5
  },
  "luminance": 0.14131
}

Semantic roles & 50–950 ramp

primary

#1D728A

secondary

#BB6148

accent

#6540E8

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1D728A

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

Preview Lab → · Contrast checker → · Palette generator →