#31B583#31B583

#31B583 is a light, vivid teal. Relative luminance 0.353; OKLCH L 69.1% C 0.135 H 162.9°. Best body text is #000000 at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#31B583
RGB	rgb(49, 181, 131)
HSL	hsl(157, 57%, 45%)
HSV	hsv(157, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 27.6%, 29%)
CIE-LAB	lab(66.01, -47.03, 15.54)
CIE-LCH	lch(66.01, 49.53, 161.72°)
OKLab	oklab(69.06% -0.1288 0.0396)
OKLCH	oklch(69.06% 0.135 162.9)
XYZ	xyz(21.8849, 35.3369, 27.1356)
Luminance	0.3534 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B583 #B53163

analogous

#31B541 #31B583 #31A5B5

triadic

#31B583 #8331B5 #B58331

tetradic

#31B583 #4131B5 #B53163 #A5B531

square

#31B583 #4131B5 #B53163 #A5B531

split-complementary

#31B583 #B531A5 #B54131

monochromatic

#17553D #248560 #31B583 #53D0A1 #83DDBB

Accessibility & contrast

On white

2.60

#31B583 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.07

#31B583 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B583

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B583	#FFFFFF	#000000	##000000
##31B583	1.00	2.60	8.07	8.07
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.07	21.00	1.00	1.00
##000000	8.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A880

Deuteranopia (green-blind)

#A19C86

Tritanopia (blue-blind)

#00B5A7

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #31b583;
/* rgb */ color: rgb(49, 181, 131);
/* oklch */ color: oklch(69.1% 0.135 162.9);

Tailwind

colors: {
  custom: {
    50: '#7ccca7',
    500: '#31b583',
    950: '#000000',
  },
}

SCSS

$custom: #31b583;
$custom-light: #7ccca7;
$custom-dark: #000000;

JSON

{
  "hex": "#31b583",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 131
  },
  "hsl": {
    "h": 157.273,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.69057,
    "c": 0.13477,
    "h": 162.9
  },
  "luminance": 0.35339
}

Semantic roles & 50–950 ramp

primary

#31B583

secondary

#C77B98

accent

#4781E1

background

#F8FCFA

surface

#EFF9F4

border

#CAD2CE

text

#0B130F

muted

#7C827F

Preview Lab

Preview with #31B583

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

Preview Lab → · Contrast checker → · Palette generator →