#31B1B8#31B1B8

#31B1B8 is a light, moderate teal. Relative luminance 0.356; OKLCH L 69.7% C 0.107 H 200.5°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#31B1B8
RGB	rgb(49, 177, 184)
HSL	hsl(183, 58%, 46%)
HSV	hsv(183, 73%, 72%)
CMYK	cmyk(73.4%, 3.8%, 0%, 27.8%)
CIE-LAB	lab(66.18, -31.16, -13.48)
CIE-LCH	lch(66.18, 33.95, 203.40°)
OKLab	oklab(69.66% -0.1002 -0.0374)
OKLCH	oklch(69.66% 0.107 200.5)
XYZ	xyz(25.6366, 35.5549, 50.8497)
Luminance	0.3556 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B1B8 #B83831

analogous

#31B87B #31B1B8 #316DB8

triadic

#31B1B8 #B831B1 #B1B831

tetradic

#31B1B8 #7B31B8 #B83831 #6DB831

square

#31B1B8 #7B31B8 #B83831 #6DB831

split-complementary

#31B1B8 #B8316D #B87B31

monochromatic

#175457 #248388 #31B1B8 #55CBD2 #85DADE

Accessibility & contrast

On white

2.59

#31B1B8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.11

#31B1B8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B1B8

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B1B8	#FFFFFF	#000000	##000000
##31B1B8	1.00	2.59	8.11	8.11
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.11	21.00	1.00	1.00
##000000	8.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4A9B9

Deuteranopia (green-blind)

#909BB9

Tritanopia (blue-blind)

#00B8B3

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #31b1b8;
/* rgb */ color: rgb(49, 177, 184);
/* oklch */ color: oklch(69.7% 0.107 200.5);

Tailwind

colors: {
  custom: {
    50: '#7fc8cd',
    500: '#31b1b8',
    950: '#000000',
  },
}

SCSS

$custom: #31b1b8;
$custom-light: #7fc8cd;
$custom-dark: #000000;

JSON

{
  "hex": "#31b1b8",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 184
  },
  "hsl": {
    "h": 183.111,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.6966,
    "c": 0.10696,
    "h": 200.5
  },
  "luminance": 0.35558
}

Semantic roles & 50–950 ramp

primary

#31B1B8

secondary

#C8817D

accent

#4F47E1

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #31B1B8

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

Preview Lab → · Contrast checker → · Palette generator →