#31B9BC#31B9BC

#31B9BC is a light, moderate teal. Relative luminance 0.390; OKLCH L 71.8% C 0.111 H 197.2°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#31B9BC
RGB	rgb(49, 185, 188)
HSL	hsl(181, 59%, 46%)
HSV	hsv(181, 74%, 74%)
CMYK	cmyk(73.9%, 1.6%, 0%, 26.3%)
CIE-LAB	lab(68.74, -33.78, -11.85)
CIE-LCH	lch(68.74, 35.80, 199.33°)
OKLab	oklab(71.78% -0.1064 -0.0329)
OKLCH	oklch(71.78% 0.111 197.2)
XYZ	xyz(27.6886, 38.9784, 53.6315)
Luminance	0.3898 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B9BC #BC3431

analogous

#31BC7A #31B9BC #3174BC

triadic

#31B9BC #BC31B9 #B9BC31

tetradic

#31B9BC #7A31BC #BC3431 #74BC31

square

#31B9BC #7A31BC #BC3431 #74BC31

split-complementary

#31B9BC #BC3174 #BC7A31

monochromatic

#18595B #24898B #31B9BC #57D1D3 #88DEE0

Accessibility & contrast

On white

2.39

#31B9BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.80

#31B9BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B9BC

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B9BC	#FFFFFF	#000000	##000000
##31B9BC	1.00	2.39	8.80	8.80
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.80	21.00	1.00	1.00
##000000	8.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB0BC

Deuteranopia (green-blind)

#98A1BD

Tritanopia (blue-blind)

#00BFBA

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #31b9bc;
/* rgb */ color: rgb(49, 185, 188);
/* oklch */ color: oklch(71.8% 0.111 197.2);

Tailwind

colors: {
  custom: {
    50: '#80ced0',
    500: '#31b9bc',
    950: '#000000',
  },
}

SCSS

$custom: #31b9bc;
$custom-light: #80ced0;
$custom-dark: #000000;

JSON

{
  "hex": "#31b9bc",
  "rgb": {
    "r": 49,
    "g": 185,
    "b": 188
  },
  "hsl": {
    "h": 181.295,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.71776,
    "c": 0.11135,
    "h": 197.2
  },
  "luminance": 0.38982
}

Semantic roles & 50–950 ramp

primary

#31B9BC

secondary

#CA817F

accent

#4946E2

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1414

muted

#7D8282

Preview Lab

Preview with #31B9BC

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

Preview Lab → · Contrast checker → · Palette generator →