#31B4B8#31B4B8

#31B4B8 is a light, moderate teal. Relative luminance 0.368; OKLCH L 70.4% C 0.109 H 198.1°. Best body text is #000000 at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#31B4B8
RGB	rgb(49, 180, 184)
HSL	hsl(182, 58%, 46%)
HSV	hsv(182, 73%, 72%)
CMYK	cmyk(73.4%, 2.2%, 0%, 27.8%)
CIE-LAB	lab(67.09, -32.60, -12.11)
CIE-LCH	lch(67.09, 34.78, 200.38°)
OKLab	oklab(70.4% -0.1032 -0.0336)
OKLCH	oklch(70.4% 0.109 198.1)
XYZ	xyz(26.2357, 36.7530, 51.0494)
Luminance	0.3676 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B4B8 #B83531

analogous

#31B878 #31B4B8 #3170B8

triadic

#31B4B8 #B831B4 #B4B831

tetradic

#31B4B8 #7831B8 #B83531 #70B831

square

#31B4B8 #7831B8 #B83531 #70B831

split-complementary

#31B4B8 #B83170 #B87831

monochromatic

#175557 #248588 #31B4B8 #55CED2 #85DCDE

Accessibility & contrast

On white

2.51

#31B4B8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.35

#31B4B8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B4B8

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B4B8	#FFFFFF	#000000	##000000
##31B4B8	1.00	2.51	8.35	8.35
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.35	21.00	1.00	1.00
##000000	8.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7ACB8

Deuteranopia (green-blind)

#949DB9

Tritanopia (blue-blind)

#00BAB5

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #31b4b8;
/* rgb */ color: rgb(49, 180, 184);
/* oklch */ color: oklch(70.4% 0.109 198.1);

Tailwind

colors: {
  custom: {
    50: '#7fcbcd',
    500: '#31b4b8',
    950: '#000000',
  },
}

SCSS

$custom: #31b4b8;
$custom-light: #7fcbcd;
$custom-dark: #000000;

JSON

{
  "hex": "#31b4b8",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 184
  },
  "hsl": {
    "h": 181.778,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.704,
    "c": 0.10852,
    "h": 198.1
  },
  "luminance": 0.36756
}

Semantic roles & 50–950 ramp

primary

#31B4B8

secondary

#C87F7D

accent

#4B47E1

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #31B4B8

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

Preview Lab → · Contrast checker → · Palette generator →