#31B4B7#31B4B7

#31B4B7 is a light, moderate teal. Relative luminance 0.367; OKLCH L 70.4% C 0.109 H 197.3°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#31B4B7
RGB	rgb(49, 180, 183)
HSL	hsl(181, 58%, 45%)
HSV	hsv(181, 73%, 72%)
CMYK	cmyk(73.2%, 1.6%, 0%, 28.2%)
CIE-LAB	lab(67.06, -32.90, -11.61)
CIE-LCH	lch(67.06, 34.88, 199.43°)
OKLab	oklab(70.36% -0.1036 -0.0322)
OKLCH	oklch(70.36% 0.109 197.3)
XYZ	xyz(26.1312, 36.7112, 50.4993)
Luminance	0.3671 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B4B7 #B73431

analogous

#31B777 #31B4B7 #3171B7

triadic

#31B4B7 #B731B4 #B4B731

tetradic

#31B4B7 #7731B7 #B73431 #71B731

square

#31B4B7 #7731B7 #B73431 #71B731

split-complementary

#31B4B7 #B73171 #B77731

monochromatic

#175556 #248587 #31B4B7 #54CED1 #84DCDE

Accessibility & contrast

On white

2.52

#31B4B7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.34

#31B4B7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B4B7

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B4B7	#FFFFFF	#000000	##000000
##31B4B7	1.00	2.52	8.34	8.34
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.34	21.00	1.00	1.00
##000000	8.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7ABB7

Deuteranopia (green-blind)

#949DB8

Tritanopia (blue-blind)

#00BAB5

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #31b4b7;
/* rgb */ color: rgb(49, 180, 183);
/* oklch */ color: oklch(70.4% 0.109 197.3);

Tailwind

colors: {
  custom: {
    50: '#7fcbcc',
    500: '#31b4b7',
    950: '#000000',
  },
}

SCSS

$custom: #31b4b7;
$custom-light: #7fcbcc;
$custom-dark: #000000;

JSON

{
  "hex": "#31b4b7",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 183
  },
  "hsl": {
    "h": 181.343,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.70364,
    "c": 0.10851,
    "h": 197.3
  },
  "luminance": 0.36714
}

Semantic roles & 50–950 ramp

primary

#31B4B7

secondary

#C87E7C

accent

#4A47E1

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #31B4B7

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

Preview Lab → · Contrast checker → · Palette generator →