#31B4BC#31B4BC

#31B4BC is a light, moderate teal. Relative luminance 0.369; OKLCH L 70.5% C 0.109 H 201.2°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#31B4BC
RGB	rgb(49, 180, 188)
HSL	hsl(183, 59%, 46%)
HSV	hsv(183, 74%, 74%)
CMYK	cmyk(73.9%, 4.3%, 0%, 26.3%)
CIE-LAB	lab(67.22, -31.40, -14.13)
CIE-LCH	lch(67.22, 34.43, 204.23°)
OKLab	oklab(70.55% -0.1014 -0.0392)
OKLCH	oklch(70.55% 0.109 201.2)
XYZ	xyz(26.6609, 36.9231, 53.2889)
Luminance	0.3693 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B4BC #BC3931

analogous

#31BC7F #31B4BC #316FBC

triadic

#31B4BC #BC31B4 #B4BC31

tetradic

#31B4BC #7F31BC #BC3931 #6FBC31

square

#31B4BC #7F31BC #BC3931 #6FBC31

split-complementary

#31B4BC #BC316F #BC7F31

monochromatic

#18575B #24868B #31B4BC #57CCD3 #88DBE0

Accessibility & contrast

On white

2.50

#31B4BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#31B4BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B4BC

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B4BC	#FFFFFF	#000000	##000000
##31B4BC	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6ACBD

Deuteranopia (green-blind)

#929DBD

Tritanopia (blue-blind)

#00BBB6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #31b4bc;
/* rgb */ color: rgb(49, 180, 188);
/* oklch */ color: oklch(70.5% 0.109 201.2);

Tailwind

colors: {
  custom: {
    50: '#7fcbd0',
    500: '#31b4bc',
    950: '#000000',
  },
}

SCSS

$custom: #31b4bc;
$custom-light: #7fcbd0;
$custom-dark: #000000;

JSON

{
  "hex": "#31b4bc",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 188
  },
  "hsl": {
    "h": 183.453,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.70546,
    "c": 0.10877,
    "h": 201.2
  },
  "luminance": 0.36926
}

Semantic roles & 50–950 ramp

primary

#31B4BC

secondary

#CA837F

accent

#4F46E2

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #31B4BC

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

Preview Lab → · Contrast checker → · Palette generator →