#31B5B7#31B5B7

#31B5B7 is a light, moderate teal. Relative luminance 0.371; OKLCH L 70.6% C 0.109 H 196.5°. Best body text is #000000 at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#31B5B7
RGB	rgb(49, 181, 183)
HSL	hsl(181, 58%, 45%)
HSV	hsv(181, 73%, 72%)
CMYK	cmyk(73.2%, 1.1%, 0%, 28.2%)
CIE-LAB	lab(67.36, -33.37, -11.15)
CIE-LCH	lch(67.36, 35.18, 198.48°)
OKLab	oklab(70.61% -0.1046 -0.031)
OKLCH	oklch(70.61% 0.109 196.5)
XYZ	xyz(26.3338, 37.1164, 50.5669)
Luminance	0.3712 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B5B7 #B73331

analogous

#31B776 #31B5B7 #3172B7

triadic

#31B5B7 #B731B5 #B5B731

tetradic

#31B5B7 #7631B7 #B73331 #72B731

square

#31B5B7 #7631B7 #B73331 #72B731

split-complementary

#31B5B7 #B73172 #B77631

monochromatic

#175656 #248587 #31B5B7 #54CFD1 #84DDDE

Accessibility & contrast

On white

2.49

#31B5B7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.42

#31B5B7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B5B7

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B5B7	#FFFFFF	#000000	##000000
##31B5B7	1.00	2.49	8.42	8.42
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.42	21.00	1.00	1.00
##000000	8.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8ACB7

Deuteranopia (green-blind)

#959EB8

Tritanopia (blue-blind)

#00BBB5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #31b5b7;
/* rgb */ color: rgb(49, 181, 183);
/* oklch */ color: oklch(70.6% 0.109 196.5);

Tailwind

colors: {
  custom: {
    50: '#7fcbcc',
    500: '#31b5b7',
    950: '#000000',
  },
}

SCSS

$custom: #31b5b7;
$custom-light: #7fcbcc;
$custom-dark: #000000;

JSON

{
  "hex": "#31b5b7",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 183
  },
  "hsl": {
    "h": 180.896,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.70611,
    "c": 0.10909,
    "h": 196.5
  },
  "luminance": 0.3712
}

Semantic roles & 50–950 ramp

primary

#31B5B7

secondary

#C87D7C

accent

#4947E1

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #31B5B7

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

Preview Lab → · Contrast checker → · Palette generator →