#31B574#31B574

#31B574 is a light, vivid teal. Relative luminance 0.350; OKLCH L 68.7% C 0.148 H 156.8°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#31B574
RGB	rgb(49, 181, 116)
HSL	hsl(150, 57%, 45%)
HSV	hsv(150, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 35.9%, 29%)
CIE-LAB	lab(65.72, -50.24, 23.24)
CIE-LCH	lch(65.72, 55.36, 155.17°)
OKLab	oklab(68.72% -0.136 0.0584)
OKLCH	oklch(68.72% 0.148 156.8)
XYZ	xyz(20.9409, 34.9592, 22.1638)
Luminance	0.3496 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B574 #B53172

analogous

#31B532 #31B574 #31B4B5

triadic

#31B574 #7431B5 #B57431

tetradic

#31B574 #3231B5 #B53172 #B4B531

square

#31B574 #3231B5 #B53172 #B4B531

split-complementary

#31B574 #B531B4 #B53231

monochromatic

#175536 #248555 #31B574 #53D093 #83DDB1

Accessibility & contrast

On white

2.63

#31B574 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.99

#31B574 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B574

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B574	#FFFFFF	#000000	##000000
##31B574	1.00	2.63	7.99	7.99
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.99	21.00	1.00	1.00
##000000	7.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A770

Deuteranopia (green-blind)

#A49B78

Tritanopia (blue-blind)

#00B3A4

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #31b574;
/* rgb */ color: rgb(49, 181, 116);
/* oklch */ color: oklch(68.7% 0.148 156.8);

Tailwind

colors: {
  custom: {
    50: '#7ccc9c',
    500: '#31b574',
    950: '#000000',
  },
}

SCSS

$custom: #31b574;
$custom-light: #7ccc9c;
$custom-dark: #000000;

JSON

{
  "hex": "#31b574",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 116
  },
  "hsl": {
    "h": 150.455,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.68719,
    "c": 0.14797,
    "h": 156.8
  },
  "luminance": 0.34962
}

Semantic roles & 50–950 ramp

primary

#31B574

secondary

#C77BA0

accent

#4793E1

background

#F8FCF9

surface

#EFF9F2

border

#CAD2CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #31B574

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

Preview Lab → · Contrast checker → · Palette generator →