#31B5B9#31B5B9

#31B5B9 is a light, moderate teal. Relative luminance 0.372; OKLCH L 70.7% C 0.109 H 198.0°. Best body text is #000000 at 8.44:1 contrast (WCAG AA passes).

Color values

HEX#31B5B9
RGBrgb(49, 181, 185)
HSLhsl(182, 58%, 46%)
HSVhsv(182, 74%, 73%)
CMYKcmyk(73.5%, 2.2%, 0%, 27.5%)
CIE-LABlab(67.43, -32.78, -12.16)
CIE-LCHlch(67.43, 34.96, 200.35°)
OKLaboklab(70.68% -0.1037 -0.0338)
OKLCHoklch(70.68% 0.109 198)
XYZxyz(26.5435, 37.2003, 51.6710)
Luminance0.3720 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31B5B9 #B93531
analogous
#31B979 #31B5B9 #3171B9
triadic
#31B5B9 #B931B5 #B5B931
tetradic
#31B5B9 #7931B9 #B93531 #71B931
square
#31B5B9 #7931B9 #B93531 #71B931
split-complementary
#31B5B9 #B93171 #B97931
monochromatic
#175658 #248689 #31B5B9 #55CED2 #86DCDF

Accessibility & contrast

On white

2.49
#31B5B9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.44
#31B5B9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B5B9
8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31B5B9#FFFFFF#000000##000000
##31B5B91.002.498.448.44
#FFFFFF2.491.0021.0021.00
#0000008.4421.001.001.00
##0000008.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8ACB9
Deuteranopia (green-blind)
#959EBA
Tritanopia (blue-blind)
#00BBB6
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #31b5b9;
/* rgb */ color: rgb(49, 181, 185);
/* oklch */ color: oklch(70.7% 0.109 198.0);
Tailwind
colors: {
  custom: {
    50: '#7fcbce',
    500: '#31b5b9',
    950: '#000000',
  },
}
SCSS
$custom: #31b5b9;
$custom-light: #7fcbce;
$custom-dark: #000000;
JSON
{
  "hex": "#31b5b9",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 185
  },
  "hsl": {
    "h": 181.765,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.70683,
    "c": 0.10909,
    "h": 198
  },
  "luminance": 0.37203
}

Semantic roles & 50–950 ramp

primary
#31B5B9
secondary
#C8807D
accent
#4B46E1
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #31B5B9

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

Preview Lab → · Contrast checker → · Palette generator →

#31B5B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva