#31B180#31B180

#31B180 is a light, vivid teal. Relative luminance 0.337; OKLCH L 67.9% C 0.132 H 162.8°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#31B180
RGB	rgb(49, 177, 128)
HSL	hsl(157, 57%, 44%)
HSV	hsv(157, 72%, 69%)
CMYK	cmyk(72.3%, 0%, 27.7%, 30.6%)
CIE-LAB	lab(64.69, -46.08, 15.33)
CIE-LCH	lch(64.69, 48.56, 161.59°)
OKLab	oklab(67.95% -0.1262 0.0391)
OKLCH	oklch(67.95% 0.132 162.8)
XYZ	xyz(20.8828, 33.6533, 25.8131)
Luminance	0.3366 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B180 #B13162

analogous

#31B140 #31B180 #31A2B1

triadic

#31B180 #8031B1 #B18031

tetradic

#31B180 #4031B1 #B13162 #A2B131

square

#31B180 #4031B1 #B13162 #A2B131

split-complementary

#31B180 #B131A2 #B14031

monochromatic

#16513B #24815D #31B180 #51CF9E #80DCB9

Accessibility & contrast

On white

2.72

#31B180 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#31B180 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B180

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B180	#FFFFFF	#000000	##000000
##31B180	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEA47D

Deuteranopia (green-blind)

#9E9883

Tritanopia (blue-blind)

#00B1A4

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b180;
/* rgb */ color: rgb(49, 177, 128);
/* oklch */ color: oklch(67.9% 0.132 162.8);

Tailwind

colors: {
  custom: {
    50: '#7bc9a5',
    500: '#31b180',
    950: '#000000',
  },
}

SCSS

$custom: #31b180;
$custom-light: #7bc9a5;
$custom-dark: #000000;

JSON

{
  "hex": "#31b180",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 128
  },
  "hsl": {
    "h": 157.031,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.67949,
    "c": 0.13212,
    "h": 162.8
  },
  "luminance": 0.33656
}

Semantic roles & 50–950 ramp

primary

#31B180

secondary

#C57996

accent

#4882E0

background

#F8FCFA

surface

#EFF8F4

border

#CAD1CE

text

#0B130F

muted

#7C827F

Preview Lab

Preview with #31B180

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

Preview Lab → · Contrast checker → · Palette generator →