#1F728F#1F728F

#1F728F is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.7% C 0.088 H 226.3°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#1F728F
RGB	rgb(31, 114, 143)
HSL	hsl(196, 64%, 34%)
HSV	hsv(196, 78%, 56%)
CMYK	cmyk(78.3%, 20.3%, 0%, 43.9%)
CIE-LAB	lab(44.67, -13.94, -22.78)
CIE-LCH	lch(44.67, 26.71, 238.54°)
OKLab	oklab(51.72% -0.061 -0.0639)
OKLCH	oklch(51.72% 0.088 226.3)
XYZ	xyz(11.5383, 14.3077, 28.1348)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F728F #8F3C1F

analogous

#1F8F74 #1F728F #1F3A8F

triadic

#1F728F #8F1F72 #728F1F

tetradic

#1F728F #741F8F #8F3C1F #3A8F1F

square

#1F728F #741F8F #8F3C1F #3A8F1F

split-complementary

#1F728F #8F1F3A #8F741F

monochromatic

#09222A #144A5D #1F728F #2A9AC1 #4FB5D9

Accessibility & contrast

On white

5.44

#1F728F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#1F728F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F728F

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F728F	#FFFFFF	#000000	##FFFFFF
##1F728F	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	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: #1f728f;
/* rgb */ color: rgb(31, 114, 143);
/* oklch */ color: oklch(51.7% 0.088 226.3);

Tailwind

colors: {
  custom: {
    50: '#6d9ab0',
    500: '#1f728f',
    950: '#000000',
  },
}

SCSS

$custom: #1f728f;
$custom-light: #6d9ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f728f",
  "rgb": {
    "r": 31,
    "g": 114,
    "b": 143
  },
  "hsl": {
    "h": 195.536,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.51717,
    "c": 0.08839,
    "h": 226.3
  },
  "luminance": 0.14309
}

Semantic roles & 50–950 ramp

primary

#1F728F

secondary

#BC6A4E

accent

#6C40E7

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1F728F

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

Preview Lab → · Contrast checker → · Palette generator →