#31B5B4#31B5B4

#31B5B4 is a light, moderate teal. Relative luminance 0.370; OKLCH L 70.5% C 0.109 H 194.2°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#31B5B4
RGB	rgb(49, 181, 180)
HSL	hsl(180, 57%, 45%)
HSV	hsv(180, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 0.6%, 29%)
CIE-LAB	lab(67.27, -34.25, -9.63)
CIE-LCH	lch(67.27, 35.58, 195.70°)
OKLab	oklab(70.51% -0.1059 -0.0268)
OKLCH	oklch(70.51% 0.109 194.2)
XYZ	xyz(26.0249, 36.9929, 48.9399)
Luminance	0.3700 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B5B4 #B53132

analogous

#31B572 #31B5B4 #3174B5

triadic

#31B5B4 #B431B5 #B5B431

tetradic

#31B5B4 #7231B5 #B53132 #74B531

square

#31B5B4 #7231B5 #B53132 #74B531

split-complementary

#31B5B4 #B53174 #B57231

monochromatic

#175554 #248584 #31B5B4 #53D0CF #83DDDD

Accessibility & contrast

On white

2.50

#31B5B4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#31B5B4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B5B4

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B5B4	#FFFFFF	#000000	##000000
##31B5B4	1.00	2.50	8.40	8.40
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.40	21.00	1.00	1.00
##000000	8.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9ACB4

Deuteranopia (green-blind)

#969EB5

Tritanopia (blue-blind)

#00BBB4

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #31b5b4;
/* rgb */ color: rgb(49, 181, 180);
/* oklch */ color: oklch(70.5% 0.109 194.2);

Tailwind

colors: {
  custom: {
    50: '#7fcbca',
    500: '#31b5b4',
    950: '#000000',
  },
}

SCSS

$custom: #31b5b4;
$custom-light: #7fcbca;
$custom-dark: #000000;

JSON

{
  "hex": "#31b5b4",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 180
  },
  "hsl": {
    "h": 179.545,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.70505,
    "c": 0.10926,
    "h": 194.2
  },
  "luminance": 0.36996
}

Semantic roles & 50–950 ramp

primary

#31B5B4

secondary

#C77B7C

accent

#4748E1

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #31B5B4

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

Preview Lab → · Contrast checker → · Palette generator →