#31B9BF#31B9BF

#31B9BF is a light, moderate teal. Relative luminance 0.391; OKLCH L 71.9% C 0.111 H 199.5°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#31B9BF
RGB	rgb(49, 185, 191)
HSL	hsl(183, 59%, 47%)
HSV	hsv(183, 74%, 75%)
CMYK	cmyk(74.3%, 3.1%, 0%, 25.1%)
CIE-LAB	lab(68.83, -32.89, -13.36)
CIE-LCH	lch(68.83, 35.50, 202.11°)
OKLab	oklab(71.88% -0.1051 -0.0371)
OKLCH	oklch(71.88% 0.111 199.5)
XYZ	xyz(28.0153, 39.1091, 55.3524)
Luminance	0.3911 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B9BF #BF3731

analogous

#31BF7E #31B9BF #3172BF

triadic

#31B9BF #BF31B9 #B9BF31

tetradic

#31B9BF #7E31BF #BF3731 #72BF31

square

#31B9BF #7E31BF #BF3731 #72BF31

split-complementary

#31B9BF #BF3172 #BF7E31

monochromatic

#185B5E #258A8E #31B9BF #59CFD4 #8ADDE1

Accessibility & contrast

On white

2.38

#31B9BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.82

#31B9BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B9BF

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B9BF	#FFFFFF	#000000	##000000
##31B9BF	1.00	2.38	8.82	8.82
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.82	21.00	1.00	1.00
##000000	8.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB0C0

Deuteranopia (green-blind)

#97A2C0

Tritanopia (blue-blind)

#00C0BA

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #31b9bf;
/* rgb */ color: rgb(49, 185, 191);
/* oklch */ color: oklch(71.9% 0.111 199.5);

Tailwind

colors: {
  custom: {
    50: '#80ced2',
    500: '#31b9bf',
    950: '#000000',
  },
}

SCSS

$custom: #31b9bf;
$custom-light: #80ced2;
$custom-dark: #000000;

JSON

{
  "hex": "#31b9bf",
  "rgb": {
    "r": 49,
    "g": 185,
    "b": 191
  },
  "hsl": {
    "h": 182.535,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.71884,
    "c": 0.11143,
    "h": 199.5
  },
  "luminance": 0.39112
}

Semantic roles & 50–950 ramp

primary

#31B9BF

secondary

#CB8481

accent

#4C45E2

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #31B9BF

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

Preview Lab → · Contrast checker → · Palette generator →