#31B188#31B188

#31B188 is a light, vivid teal. Relative luminance 0.339; OKLCH L 68.2% C 0.126 H 166.8°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#31B188
RGB	rgb(49, 177, 136)
HSL	hsl(161, 57%, 44%)
HSV	hsv(161, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 23.2%, 30.6%)
CIE-LAB	lab(64.86, -44.22, 11.19)
CIE-LCH	lch(64.86, 45.61, 165.80°)
OKLab	oklab(68.15% -0.1224 0.0286)
OKLCH	oklch(68.15% 0.126 166.8)
XYZ	xyz(21.4303, 33.8723, 28.6964)
Luminance	0.3387 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B188 #B1315A

analogous

#31B148 #31B188 #319AB1

triadic

#31B188 #8831B1 #B18831

tetradic

#31B188 #4831B1 #B1315A #9AB131

square

#31B188 #4831B1 #B1315A #9AB131

split-complementary

#31B188 #B1319A #B14831

monochromatic

#16513E #248163 #31B188 #51CFA6 #80DCBF

Accessibility & contrast

On white

2.70

#31B188 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.78

#31B188 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B188

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B188	#FFFFFF	#000000	##000000
##31B188	1.00	2.70	7.78	7.78
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.78	21.00	1.00	1.00
##000000	7.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADA486

Deuteranopia (green-blind)

#9C988B

Tritanopia (blue-blind)

#00B2A6

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b188;
/* rgb */ color: rgb(49, 177, 136);
/* oklch */ color: oklch(68.2% 0.126 166.8);

Tailwind

colors: {
  custom: {
    50: '#7bc9aa',
    500: '#31b188',
    950: '#000000',
  },
}

SCSS

$custom: #31b188;
$custom-light: #7bc9aa;
$custom-dark: #000000;

JSON

{
  "hex": "#31b188",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 136
  },
  "hsl": {
    "h": 160.781,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.6815,
    "c": 0.12567,
    "h": 166.8
  },
  "luminance": 0.33875
}

Semantic roles & 50–950 ramp

primary

#31B188

secondary

#C57991

accent

#4879E0

background

#F8FCFA

surface

#EFF8F4

border

#CAD1CE

text

#0B1310

muted

#7C827F

Preview Lab

Preview with #31B188

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

Preview Lab → · Contrast checker → · Palette generator →