#31B3B4#31B3B4

#31B3B4 is a light, moderate teal. Relative luminance 0.362; OKLCH L 70.0% C 0.108 H 195.7°. Best body text is #000000 at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#31B3B4
RGB	rgb(49, 179, 180)
HSL	hsl(180, 57%, 45%)
HSV	hsv(180, 73%, 71%)
CMYK	cmyk(72.8%, 0.6%, 0%, 29.4%)
CIE-LAB	lab(66.66, -33.31, -10.54)
CIE-LCH	lch(66.66, 34.94, 197.56°)
OKLab	oklab(70.01% -0.1039 -0.0293)
OKLCH	oklch(70.01% 0.108 195.7)
XYZ	xyz(25.6212, 36.1854, 48.8053)
Luminance	0.3619 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B3B4 #B43231

analogous

#31B474 #31B3B4 #3172B4

triadic

#31B3B4 #B431B3 #B3B431

tetradic

#31B3B4 #7431B4 #B43231 #72B431

square

#31B3B4 #7431B4 #B43231 #72B431

split-complementary

#31B3B4 #B43172 #B47431

monochromatic

#175354 #248384 #31B3B4 #52CFD0 #82DCDD

Accessibility & contrast

On white

2.55

#31B3B4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.24

#31B3B4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B3B4

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B3B4	#FFFFFF	#000000	##000000
##31B3B4	1.00	2.55	8.24	8.24
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.24	21.00	1.00	1.00
##000000	8.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7AAB4

Deuteranopia (green-blind)

#949CB5

Tritanopia (blue-blind)

#00B9B3

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #31b3b4;
/* rgb */ color: rgb(49, 179, 180);
/* oklch */ color: oklch(70.0% 0.108 195.7);

Tailwind

colors: {
  custom: {
    50: '#7ecaca',
    500: '#31b3b4',
    950: '#000000',
  },
}

SCSS

$custom: #31b3b4;
$custom-light: #7ecaca;
$custom-dark: #000000;

JSON

{
  "hex": "#31b3b4",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 180
  },
  "hsl": {
    "h": 180.458,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.7001,
    "c": 0.10798,
    "h": 195.7
  },
  "luminance": 0.36188
}

Semantic roles & 50–950 ramp

primary

#31B3B4

secondary

#C67B7B

accent

#4947E0

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0B1313

muted

#7C8282

Preview Lab

Preview with #31B3B4

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

Preview Lab → · Contrast checker → · Palette generator →