#31B9CF#31B9CF

#31B9CF is a light, moderate teal. Relative luminance 0.399; OKLCH L 72.5% C 0.115 H 211.1°. Best body text is #000000 at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#31B9CF
RGB	rgb(49, 185, 207)
HSL	hsl(188, 62%, 50%)
HSV	hsv(188, 76%, 81%)
CMYK	cmyk(76.3%, 10.6%, 0%, 18.8%)
CIE-LAB	lab(69.36, -28.00, -21.34)
CIE-LCH	lch(69.36, 35.20, 217.32°)
OKLab	oklab(72.49% -0.0984 -0.0595)
OKLCH	oklch(72.49% 0.115 211.1)
XYZ	xyz(29.8732, 39.8522, 65.1372)
Luminance	0.3986 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B9CF #CF4731

analogous

#31CF96 #31B9CF #316ACF

triadic

#31B9CF #CF31B9 #B9CF31

tetradic

#31B9CF #9631CF #CF4731 #6ACF31

square

#31B9CF #9631CF #CF4731 #6ACF31

split-complementary

#31B9CF #CF316A #CF9631

monochromatic

#19616C #258D9E #31B9CF #63CADB #94DBE6

Accessibility & contrast

On white

2.34

#31B9CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.97

#31B9CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B9CF

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B9CF	#FFFFFF	#000000	##000000
##31B9CF	1.00	2.34	8.97	8.97
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.97	21.00	1.00	1.00
##000000	8.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B2D0

Deuteranopia (green-blind)

#92A3CF

Tritanopia (blue-blind)

#00C2C0

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #31b9cf;
/* rgb */ color: rgb(49, 185, 207);
/* oklch */ color: oklch(72.5% 0.115 211.1);

Tailwind

colors: {
  custom: {
    50: '#82cedd',
    500: '#31b9cf',
    950: '#000000',
  },
}

SCSS

$custom: #31b9cf;
$custom-light: #82cedd;
$custom-dark: #000000;

JSON

{
  "hex": "#31b9cf",
  "rgb": {
    "r": 49,
    "g": 185,
    "b": 207
  },
  "hsl": {
    "h": 188.354,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.72493,
    "c": 0.11495,
    "h": 211.1
  },
  "luminance": 0.39856
}

Semantic roles & 50–950 ramp

primary

#31B9CF

secondary

#D1948B

accent

#5943E5

background

#F8FCFD

surface

#F0F9FB

border

#CBD2D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #31B9CF

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

Preview Lab → · Contrast checker → · Palette generator →