#31728E#31728E

#31728E is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.2% C 0.079 H 229.3°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#31728E
RGB	rgb(49, 114, 142)
HSL	hsl(198, 49%, 37%)
HSV	hsv(198, 65%, 56%)
CMYK	cmyk(65.5%, 19.7%, 0%, 44.3%)
CIE-LAB	lab(45.14, -11.54, -21.43)
CIE-LCH	lch(45.14, 24.34, 241.69°)
OKLab	oklab(52.22% -0.0515 -0.0599)
OKLCH	oklch(52.22% 0.079 229.3)
XYZ	xyz(12.1645, 14.6393, 27.7705)
Luminance	0.1464 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31728E #8E4D31

analogous

#318E7C #31728E #31438E

triadic

#31728E #8E3172 #728E31

tetradic

#31728E #7C318E #8E4D31 #438E31

square

#31728E #7C318E #8E4D31 #438E31

split-complementary

#31728E #8E3143 #8E7C31

monochromatic

#122933 #214D61 #31728E #4197BB #6DB0CD

Accessibility & contrast

On white

5.35

#31728E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#31728E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31728E

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31728E	#FFFFFF	#000000	##FFFFFF
##31728E	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64708F

Deuteranopia (green-blind)

#57678E

Tritanopia (blue-blind)

#007A7B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #31728e;
/* rgb */ color: rgb(49, 114, 142);
/* oklch */ color: oklch(52.2% 0.079 229.3);

Tailwind

colors: {
  custom: {
    50: '#749aaf',
    500: '#31728e',
    950: '#000000',
  },
}

SCSS

$custom: #31728e;
$custom-light: #749aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#31728e",
  "rgb": {
    "r": 49,
    "g": 114,
    "b": 142
  },
  "hsl": {
    "h": 198.065,
    "s": 48.691,
    "l": 37.451
  },
  "oklch": {
    "l": 0.52219,
    "c": 0.07899,
    "h": 229.3
  },
  "luminance": 0.14641
}

Semantic roles & 50–950 ramp

primary

#31728E

secondary

#B47E67

accent

#7950D8

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #31728E

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

Preview Lab → · Contrast checker → · Palette generator →