#31B4BB#31B4BB

#31B4BB is a light, moderate teal. Relative luminance 0.369; OKLCH L 70.5% C 0.109 H 200.4°. Best body text is #000000 at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#31B4BB
RGB	rgb(49, 180, 187)
HSL	hsl(183, 58%, 46%)
HSV	hsv(183, 74%, 73%)
CMYK	cmyk(73.8%, 3.7%, 0%, 26.7%)
CIE-LAB	lab(67.19, -31.70, -13.63)
CIE-LCH	lch(67.19, 34.51, 203.26°)
OKLab	oklab(70.51% -0.1019 -0.0378)
OKLCH	oklch(70.51% 0.109 200.4)
XYZ	xyz(26.5535, 36.8801, 52.7232)
Luminance	0.3688 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B4BB #BB3831

analogous

#31BB7D #31B4BB #316FBB

triadic

#31B4BB #BB31B4 #B4BB31

tetradic

#31B4BB #7D31BB #BB3831 #6FBB31

square

#31B4BB #7D31BB #BB3831 #6FBB31

split-complementary

#31B4BB #BB316F #BB7D31

monochromatic

#18575A #24858B #31B4BB #56CDD3 #87DBE0

Accessibility & contrast

On white

2.51

#31B4BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.38

#31B4BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B4BB

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B4BB	#FFFFFF	#000000	##000000
##31B4BB	1.00	2.51	8.38	8.38
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.38	21.00	1.00	1.00
##000000	8.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6ACBC

Deuteranopia (green-blind)

#939DBC

Tritanopia (blue-blind)

#00BBB6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #31b4bb;
/* rgb */ color: rgb(49, 180, 187);
/* oklch */ color: oklch(70.5% 0.109 200.4);

Tailwind

colors: {
  custom: {
    50: '#7fcbcf',
    500: '#31b4bb',
    950: '#000000',
  },
}

SCSS

$custom: #31b4bb;
$custom-light: #7fcbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#31b4bb",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 187
  },
  "hsl": {
    "h": 183.043,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.70509,
    "c": 0.10867,
    "h": 200.4
  },
  "luminance": 0.36883
}

Semantic roles & 50–950 ramp

primary

#31B4BB

secondary

#C9827F

accent

#4E46E2

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #31B4BB

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

Preview Lab → · Contrast checker → · Palette generator →