#31B378#31B378

#31B378 is a light, vivid teal. Relative luminance 0.342; OKLCH L 68.3% C 0.142 H 158.7°. Best body text is #000000 at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#31B378
RGB	rgb(49, 179, 120)
HSL	hsl(153, 57%, 45%)
HSV	hsv(153, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 33%, 29.8%)
CIE-LAB	lab(65.16, -48.63, 20.33)
CIE-LCH	lch(65.16, 52.71, 157.31°)
OKLab	oklab(68.28% -0.1321 0.0514)
OKLCH	oklch(68.28% 0.142 158.7)
XYZ	xyz(20.7748, 34.2468, 23.2811)
Luminance	0.3425 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B378 #B3316C

analogous

#31B337 #31B378 #31ADB3

triadic

#31B378 #7831B3 #B37831

tetradic

#31B378 #3731B3 #B3316C #ADB331

square

#31B378 #3731B3 #B3316C #ADB331

split-complementary

#31B378 #B331AD #B33731

monochromatic

#175338 #248358 #31B378 #52D096 #82DDB3

Accessibility & contrast

On white

2.68

#31B378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.85

#31B378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B378

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B378	#FFFFFF	#000000	##000000
##31B378	1.00	2.68	7.85	7.85
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.85	21.00	1.00	1.00
##000000	7.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A574

Deuteranopia (green-blind)

#A1997C

Tritanopia (blue-blind)

#00B2A4

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b378;
/* rgb */ color: rgb(49, 179, 120);
/* oklch */ color: oklch(68.3% 0.142 158.7);

Tailwind

colors: {
  custom: {
    50: '#7bcb9f',
    500: '#31b378',
    950: '#000000',
  },
}

SCSS

$custom: #31b378;
$custom-light: #7bcb9f;
$custom-dark: #000000;

JSON

{
  "hex": "#31b378",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 120
  },
  "hsl": {
    "h": 152.769,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.68284,
    "c": 0.1417,
    "h": 158.7
  },
  "luminance": 0.34249
}

Semantic roles & 50–950 ramp

primary

#31B378

secondary

#C67A9C

accent

#488DE0

background

#F8FCF9

surface

#EFF9F2

border

#CAD2CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #31B378

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

Preview Lab → · Contrast checker → · Palette generator →