#31B5B8#31B5B8

#31B5B8 is a light, moderate teal. Relative luminance 0.372; OKLCH L 70.6% C 0.109 H 197.3°. Best body text is #000000 at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#31B5B8
RGB	rgb(49, 181, 184)
HSL	hsl(181, 58%, 46%)
HSV	hsv(181, 73%, 72%)
CMYK	cmyk(73.4%, 1.6%, 0%, 27.8%)
CIE-LAB	lab(67.40, -33.07, -11.66)
CIE-LCH	lch(67.40, 35.07, 199.41°)
OKLab	oklab(70.65% -0.1042 -0.0324)
OKLCH	oklch(70.65% 0.109 197.3)
XYZ	xyz(26.4383, 37.1582, 51.1170)
Luminance	0.3716 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B5B8 #B83431

analogous

#31B877 #31B5B8 #3172B8

triadic

#31B5B8 #B831B5 #B5B831

tetradic

#31B5B8 #7731B8 #B83431 #72B831

square

#31B5B8 #7731B8 #B83431 #72B831

split-complementary

#31B5B8 #B83172 #B87731

monochromatic

#175657 #248588 #31B5B8 #55CFD2 #85DCDE

Accessibility & contrast

On white

2.49

#31B5B8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.43

#31B5B8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B5B8

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B5B8	#FFFFFF	#000000	##000000
##31B5B8	1.00	2.49	8.43	8.43
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.43	21.00	1.00	1.00
##000000	8.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8ACB8

Deuteranopia (green-blind)

#959EB9

Tritanopia (blue-blind)

#00BBB6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #31b5b8;
/* rgb */ color: rgb(49, 181, 184);
/* oklch */ color: oklch(70.6% 0.109 197.3);

Tailwind

colors: {
  custom: {
    50: '#7fcbcd',
    500: '#31b5b8',
    950: '#000000',
  },
}

SCSS

$custom: #31b5b8;
$custom-light: #7fcbcd;
$custom-dark: #000000;

JSON

{
  "hex": "#31b5b8",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 184
  },
  "hsl": {
    "h": 181.333,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.70647,
    "c": 0.10908,
    "h": 197.3
  },
  "luminance": 0.37161
}

Semantic roles & 50–950 ramp

primary

#31B5B8

secondary

#C87F7D

accent

#4A47E1

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #31B5B8

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

Preview Lab → · Contrast checker → · Palette generator →