#1D728F#1D728F

#1D728F is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.7% C 0.089 H 226.0°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#1D728F
RGB	rgb(29, 114, 143)
HSL	hsl(195, 66%, 34%)
HSV	hsv(195, 80%, 56%)
CMYK	cmyk(79.7%, 20.3%, 0%, 43.9%)
CIE-LAB	lab(44.63, -14.17, -22.85)
CIE-LCH	lch(44.63, 26.89, 238.19°)
OKLab	oklab(51.67% -0.0619 -0.0641)
OKLCH	oklch(51.67% 0.089 226)
XYZ	xyz(11.4799, 14.2776, 28.1321)
Luminance	0.1428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D728F #8F3A1D

analogous

#1D8F73 #1D728F #1D398F

triadic

#1D728F #8F1D72 #728F1D

tetradic

#1D728F #731D8F #8F3A1D #398F1D

square

#1D728F #731D8F #8F3A1D #398F1D

split-complementary

#1D728F #8F1D39 #8F731D

monochromatic

#082129 #13495C #1D728F #279BC2 #4CB6DB

Accessibility & contrast

On white

5.45

#1D728F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#1D728F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D728F

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D728F	#FFFFFF	#000000	##FFFFFF
##1D728F	1.00	5.45	3.86	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627090

Deuteranopia (green-blind)

#53658F

Tritanopia (blue-blind)

#007A7C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1d728f;
/* rgb */ color: rgb(29, 114, 143);
/* oklch */ color: oklch(51.7% 0.089 226.0);

Tailwind

colors: {
  custom: {
    50: '#6c9ab0',
    500: '#1d728f',
    950: '#000000',
  },
}

SCSS

$custom: #1d728f;
$custom-light: #6c9ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d728f",
  "rgb": {
    "r": 29,
    "g": 114,
    "b": 143
  },
  "hsl": {
    "h": 195.263,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.51671,
    "c": 0.08914,
    "h": 226
  },
  "luminance": 0.14279
}

Semantic roles & 50–950 ramp

primary

#1D728F

secondary

#BD684B

accent

#6A3FE9

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1D728F

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

Preview Lab → · Contrast checker → · Palette generator →