#1D728B#1D728B

#1D728B is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 51.5% C 0.086 H 222.4°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#1D728B
RGB	rgb(29, 114, 139)
HSL	hsl(194, 65%, 33%)
HSV	hsv(194, 79%, 55%)
CMYK	cmyk(79.1%, 18%, 0%, 45.5%)
CIE-LAB	lab(44.46, -15.60, -20.73)
CIE-LCH	lch(44.46, 25.95, 233.04°)
OKLab	oklab(51.48% -0.0635 -0.0581)
OKLCH	oklch(51.48% 0.086 222.4)
XYZ	xyz(11.1823, 14.1586, 26.5646)
Luminance	0.1416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D728B #8B361D

analogous

#1D8B6D #1D728B #1D3B8B

triadic

#1D728B #8B1D72 #728B1D

tetradic

#1D728B #6D1D8B #8B361D #3B8B1D

square

#1D728B #6D1D8B #8B361D #3B8B1D

split-complementary

#1D728B #8B1D3B #8B6D1D

monochromatic

#081F26 #124858 #1D728B #289CBE #49B8D9

Accessibility & contrast

On white

5.48

#1D728B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#1D728B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D728B

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D728B	#FFFFFF	#000000	##FFFFFF
##1D728B	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)

#636F8C

Deuteranopia (green-blind)

#55658B

Tritanopia (blue-blind)

#007A7A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #1d728b;
/* rgb */ color: rgb(29, 114, 139);
/* oklch */ color: oklch(51.5% 0.086 222.4);

Tailwind

colors: {
  custom: {
    50: '#6c9aad',
    500: '#1d728b',
    950: '#000000',
  },
}

SCSS

$custom: #1d728b;
$custom-light: #6c9aad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d728b",
  "rgb": {
    "r": 29,
    "g": 114,
    "b": 139
  },
  "hsl": {
    "h": 193.636,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.51479,
    "c": 0.08604,
    "h": 222.4
  },
  "luminance": 0.1416
}

Semantic roles & 50–950 ramp

primary

#1D728B

secondary

#BB6349

accent

#663FE8

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1D728B

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

Preview Lab → · Contrast checker → · Palette generator →