#31B1BC#31B1BC

#31B1BC is a light, moderate teal. Relative luminance 0.357; OKLCH L 69.8% C 0.107 H 203.6°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#31B1BC
RGB	rgb(49, 177, 188)
HSL	hsl(185, 59%, 46%)
HSV	hsv(185, 74%, 74%)
CMYK	cmyk(73.9%, 5.9%, 0%, 26.3%)
CIE-LAB	lab(66.31, -29.95, -15.50)
CIE-LCH	lch(66.31, 33.72, 207.37°)
OKLab	oklab(69.81% -0.0985 -0.0431)
OKLCH	oklch(69.81% 0.107 203.6)
XYZ	xyz(26.0618, 35.7250, 53.0892)
Luminance	0.3573 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B1BC #BC3C31

analogous

#31BC82 #31B1BC #316CBC

triadic

#31B1BC #BC31B1 #B1BC31

tetradic

#31B1BC #8231BC #BC3C31 #6CBC31

square

#31B1BC #8231BC #BC3C31 #6CBC31

split-complementary

#31B1BC #BC316C #BC8231

monochromatic

#18565B #24838B #31B1BC #57C9D3 #88D9E0

Accessibility & contrast

On white

2.58

#31B1BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#31B1BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B1BC

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B1BC	#FFFFFF	#000000	##000000
##31B1BC	1.00	2.58	8.15	8.15
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.15	21.00	1.00	1.00
##000000	8.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3A9BD

Deuteranopia (green-blind)

#8F9BBC

Tritanopia (blue-blind)

#00B8B4

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #31b1bc;
/* rgb */ color: rgb(49, 177, 188);
/* oklch */ color: oklch(69.8% 0.107 203.6);

Tailwind

colors: {
  custom: {
    50: '#7fc8d0',
    500: '#31b1bc',
    950: '#000000',
  },
}

SCSS

$custom: #31b1bc;
$custom-light: #7fc8d0;
$custom-dark: #000000;

JSON

{
  "hex": "#31b1bc",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 188
  },
  "hsl": {
    "h": 184.748,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.6981,
    "c": 0.10749,
    "h": 203.6
  },
  "luminance": 0.35728
}

Semantic roles & 50–950 ramp

primary

#31B1BC

secondary

#CA857F

accent

#5246E2

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #31B1BC

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

Preview Lab → · Contrast checker → · Palette generator →