#31B1BF#31B1BF

#31B1BF is a light, moderate teal. Relative luminance 0.359; OKLCH L 69.9% C 0.108 H 205.9°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#31B1BF
RGB	rgb(49, 177, 191)
HSL	hsl(186, 59%, 47%)
HSV	hsv(186, 74%, 75%)
CMYK	cmyk(74.3%, 7.3%, 0%, 25.1%)
CIE-LAB	lab(66.41, -29.03, -17.01)
CIE-LCH	lch(66.41, 33.65, 210.37°)
OKLab	oklab(69.92% -0.0972 -0.0473)
OKLCH	oklch(69.92% 0.108 205.9)
XYZ	xyz(26.3886, 35.8557, 54.8102)
Luminance	0.3586 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B1BF #BF3F31

analogous

#31BF86 #31B1BF #316ABF

triadic

#31B1BF #BF31B1 #B1BF31

tetradic

#31B1BF #8631BF #BF3F31 #6ABF31

square

#31B1BF #8631BF #BF3F31 #6ABF31

split-complementary

#31B1BF #BF316A #BF8631

monochromatic

#18575E #25848E #31B1BF #59C8D4 #8AD8E1

Accessibility & contrast

On white

2.57

#31B1BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#31B1BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B1BF

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B1BF	#FFFFFF	#000000	##000000
##31B1BF	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2AAC0

Deuteranopia (green-blind)

#8E9BBF

Tritanopia (blue-blind)

#00B9B5

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #31b1bf;
/* rgb */ color: rgb(49, 177, 191);
/* oklch */ color: oklch(69.9% 0.108 205.9);

Tailwind

colors: {
  custom: {
    50: '#7fc8d2',
    500: '#31b1bf',
    950: '#000000',
  },
}

SCSS

$custom: #31b1bf;
$custom-light: #7fc8d2;
$custom-dark: #000000;

JSON

{
  "hex": "#31b1bf",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 191
  },
  "hsl": {
    "h": 185.915,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.69924,
    "c": 0.1081,
    "h": 205.9
  },
  "luminance": 0.35859
}

Semantic roles & 50–950 ramp

primary

#31B1BF

secondary

#CB8881

accent

#5545E2

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #31B1BF

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

Preview Lab → · Contrast checker → · Palette generator →