#1F729C#1F729C

#1F729C is a mid, moderate cyan. Relative luminance 0.147; OKLCH L 52.4% C 0.101 H 236.1°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#1F729C
RGB	rgb(31, 114, 156)
HSL	hsl(200, 67%, 37%)
HSV	hsv(200, 80%, 61%)
CMYK	cmyk(80.1%, 26.9%, 0%, 38.8%)
CIE-LAB	lab(45.25, -9.21, -29.57)
CIE-LCH	lch(45.25, 30.98, 252.70°)
OKLab	oklab(52.38% -0.0562 -0.0835)
OKLCH	oklch(52.38% 0.101 236.1)
XYZ	xyz(12.5807, 14.7247, 33.6251)
Luminance	0.1473 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F729C #9C491F

analogous

#1F9C88 #1F729C #1F349C

triadic

#1F729C #9C1F72 #729C1F

tetradic

#1F729C #881F9C #9C491F #349C1F

square

#1F729C #881F9C #9C491F #349C1F

split-complementary

#1F729C #9C1F34 #9C881F

monochromatic

#0B2736 #154D69 #1F729C #2997CF #58B1DE

Accessibility & contrast

On white

5.32

#1F729C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#1F729C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F729C

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F729C	#FFFFFF	#000000	##FFFFFF
##1F729C	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E729E

Deuteranopia (green-blind)

#4D669B

Tritanopia (blue-blind)

#007D80

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1f729c;
/* rgb */ color: rgb(31, 114, 156);
/* oklch */ color: oklch(52.4% 0.101 236.1);

Tailwind

colors: {
  custom: {
    50: '#6f9ab9',
    500: '#1f729c',
    950: '#000000',
  },
}

SCSS

$custom: #1f729c;
$custom-light: #6f9ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f729c",
  "rgb": {
    "r": 31,
    "g": 114,
    "b": 156
  },
  "hsl": {
    "h": 200.16,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.52376,
    "c": 0.10067,
    "h": 236.1
  },
  "luminance": 0.14726
}

Semantic roles & 50–950 ramp

primary

#1F729C

secondary

#C17A55

accent

#783EEA

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #1F729C

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

Preview Lab → · Contrast checker → · Palette generator →