#31B591#31B591

#31B591 is a light, vivid teal. Relative luminance 0.357; OKLCH L 69.4% C 0.124 H 170.2°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#31B591
RGB	rgb(49, 181, 145)
HSL	hsl(164, 57%, 45%)
HSV	hsv(164, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 19.9%, 29%)
CIE-LAB	lab(66.32, -43.72, 8.31)
CIE-LCH	lch(66.32, 44.50, 169.24°)
OKLab	oklab(69.42% -0.1221 0.0212)
OKLCH	oklch(69.42% 0.124 170.2)
XYZ	xyz(22.8986, 35.7424, 32.4747)
Luminance	0.3574 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B591 #B53155

analogous

#31B54F #31B591 #3197B5

triadic

#31B591 #9131B5 #B59131

tetradic

#31B591 #4F31B5 #B53155 #97B531

square

#31B591 #4F31B5 #B53155 #97B531

split-complementary

#31B591 #B53197 #B54F31

monochromatic

#175544 #24856A #31B591 #53D0AE #83DDC5

Accessibility & contrast

On white

2.58

#31B591 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#31B591 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B591

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B591	#FFFFFF	#000000	##000000
##31B591	1.00	2.58	8.15	8.15
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.15	21.00	1.00	1.00
##000000	8.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0A98F

Deuteranopia (green-blind)

#9F9C93

Tritanopia (blue-blind)

#00B6AB

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #31b591;
/* rgb */ color: rgb(49, 181, 145);
/* oklch */ color: oklch(69.4% 0.124 170.2);

Tailwind

colors: {
  custom: {
    50: '#7cccb1',
    500: '#31b591',
    950: '#000000',
  },
}

SCSS

$custom: #31b591;
$custom-light: #7cccb1;
$custom-dark: #000000;

JSON

{
  "hex": "#31b591",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 145
  },
  "hsl": {
    "h": 163.636,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.69417,
    "c": 0.12396,
    "h": 170.2
  },
  "luminance": 0.35745
}

Semantic roles & 50–950 ramp

primary

#31B591

secondary

#C77B90

accent

#4771E1

background

#F8FCFA

surface

#EFF9F5

border

#CAD2CF

text

#0B1310

muted

#7C827F

Preview Lab

Preview with #31B591

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

Preview Lab → · Contrast checker → · Palette generator →