#31B588#31B588

#31B588 is a light, vivid teal. Relative luminance 0.355; OKLCH L 69.2% C 0.131 H 165.3°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#31B588
RGB	rgb(49, 181, 136)
HSL	hsl(160, 57%, 45%)
HSV	hsv(160, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 24.9%, 29%)
CIE-LAB	lab(66.12, -45.88, 12.96)
CIE-LCH	lch(66.12, 47.68, 164.23°)
OKLab	oklab(69.18% -0.1264 0.0331)
OKLCH	oklch(69.18% 0.131 165.3)
XYZ	xyz(22.2320, 35.4757, 28.9636)
Luminance	0.3548 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B588 #B5315E

analogous

#31B546 #31B588 #31A0B5

triadic

#31B588 #8831B5 #B58831

tetradic

#31B588 #4631B5 #B5315E #A0B531

square

#31B588 #4631B5 #B5315E #A0B531

split-complementary

#31B588 #B531A0 #B54631

monochromatic

#175540 #248564 #31B588 #53D0A6 #83DDBF

Accessibility & contrast

On white

2.59

#31B588 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#31B588 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B588

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B588	#FFFFFF	#000000	##000000
##31B588	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A886

Deuteranopia (green-blind)

#A09C8B

Tritanopia (blue-blind)

#00B5A9

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #31b588;
/* rgb */ color: rgb(49, 181, 136);
/* oklch */ color: oklch(69.2% 0.131 165.3);

Tailwind

colors: {
  custom: {
    50: '#7cccaa',
    500: '#31b588',
    950: '#000000',
  },
}

SCSS

$custom: #31b588;
$custom-light: #7cccaa;
$custom-dark: #000000;

JSON

{
  "hex": "#31b588",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 136
  },
  "hsl": {
    "h": 159.545,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.6918,
    "c": 0.13069,
    "h": 165.3
  },
  "luminance": 0.35478
}

Semantic roles & 50–950 ramp

primary

#31B588

secondary

#C77B95

accent

#477BE1

background

#F8FCFA

surface

#EFF9F4

border

#CAD2CE

text

#0B1310

muted

#7C827F

Preview Lab

Preview with #31B588

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

Preview Lab → · Contrast checker → · Palette generator →