#31728D#31728D

#31728D is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.2% C 0.078 H 228.4°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#31728D
RGB	rgb(49, 114, 141)
HSL	hsl(198, 48%, 37%)
HSV	hsv(198, 65%, 55%)
CMYK	cmyk(65.2%, 19.1%, 0%, 44.7%)
CIE-LAB	lab(45.09, -11.88, -20.90)
CIE-LCH	lch(45.09, 24.04, 240.38°)
OKLab	oklab(52.17% -0.0519 -0.0584)
OKLCH	oklch(52.17% 0.078 228.4)
XYZ	xyz(12.0898, 14.6094, 27.3769)
Luminance	0.1461 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31728D #8D4C31

analogous

#318D7A #31728D #31448D

triadic

#31728D #8D3172 #728D31

tetradic

#31728D #7A318D #8D4C31 #448D31

square

#31728D #7A318D #8D4C31 #448D31

split-complementary

#31728D #8D3144 #8D7A31

monochromatic

#112932 #214D60 #31728D #4197BA #6CB0CC

Accessibility & contrast

On white

5.35

#31728D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#31728D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31728D

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31728D	#FFFFFF	#000000	##FFFFFF
##31728D	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64708E

Deuteranopia (green-blind)

#57678D

Tritanopia (blue-blind)

#007A7B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #31728d;
/* rgb */ color: rgb(49, 114, 141);
/* oklch */ color: oklch(52.2% 0.078 228.4);

Tailwind

colors: {
  custom: {
    50: '#739aae',
    500: '#31728d',
    950: '#000000',
  },
}

SCSS

$custom: #31728d;
$custom-light: #739aae;
$custom-dark: #000000;

JSON

{
  "hex": "#31728d",
  "rgb": {
    "r": 49,
    "g": 114,
    "b": 141
  },
  "hsl": {
    "h": 197.609,
    "s": 48.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.52172,
    "c": 0.07811,
    "h": 228.4
  },
  "luminance": 0.14611
}

Semantic roles & 50–950 ramp

primary

#31728D

secondary

#B47D66

accent

#7850D8

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #31728D

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

Preview Lab → · Contrast checker → · Palette generator →