#31B5BB#31B5BB

#31B5BB is a light, moderate teal. Relative luminance 0.373; OKLCH L 70.8% C 0.109 H 199.6°. Best body text is #000000 at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#31B5BB
RGB	rgb(49, 181, 187)
HSL	hsl(183, 58%, 46%)
HSV	hsv(183, 74%, 73%)
CMYK	cmyk(73.8%, 3.2%, 0%, 26.7%)
CIE-LAB	lab(67.49, -32.18, -13.17)
CIE-LCH	lch(67.49, 34.77, 202.26°)
OKLab	oklab(70.76% -0.1029 -0.0366)
OKLCH	oklch(70.76% 0.109 199.6)
XYZ	xyz(26.7561, 37.2853, 52.7907)
Luminance	0.3729 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B5BB #BB3731

analogous

#31BB7C #31B5BB #3170BB

triadic

#31B5BB #BB31B5 #B5BB31

tetradic

#31B5BB #7C31BB #BB3731 #70BB31

square

#31B5BB #7C31BB #BB3731 #70BB31

split-complementary

#31B5BB #BB3170 #BB7C31

monochromatic

#18575A #24868B #31B5BB #56CDD3 #87DCE0

Accessibility & contrast

On white

2.48

#31B5BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.46

#31B5BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B5BB

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B5BB	#FFFFFF	#000000	##000000
##31B5BB	1.00	2.48	8.46	8.46
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.46	21.00	1.00	1.00
##000000	8.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8ADBC

Deuteranopia (green-blind)

#949EBC

Tritanopia (blue-blind)

#00BCB6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #31b5bb;
/* rgb */ color: rgb(49, 181, 187);
/* oklch */ color: oklch(70.8% 0.109 199.6);

Tailwind

colors: {
  custom: {
    50: '#7fcbcf',
    500: '#31b5bb',
    950: '#000000',
  },
}

SCSS

$custom: #31b5bb;
$custom-light: #7fcbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#31b5bb",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 187
  },
  "hsl": {
    "h": 182.609,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.70755,
    "c": 0.10917,
    "h": 199.6
  },
  "luminance": 0.37289
}

Semantic roles & 50–950 ramp

primary

#31B5BB

secondary

#C9827F

accent

#4D46E2

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #31B5BB

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

Preview Lab → · Contrast checker → · Palette generator →