#31B4CF#31B4CF

#31B4CF is a light, moderate cyan. Relative luminance 0.378; OKLCH L 71.3% C 0.114 H 215.2°. Best body text is #000000 at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#31B4CF
RGB	rgb(49, 180, 207)
HSL	hsl(190, 62%, 50%)
HSV	hsv(190, 76%, 81%)
CMYK	cmyk(76.3%, 13%, 0%, 18.8%)
CIE-LAB	lab(67.87, -25.50, -23.62)
CIE-LCH	lch(67.87, 34.76, 222.80°)
OKLab	oklab(71.29% -0.0936 -0.0659)
OKLCH	oklch(71.29% 0.114 215.2)
XYZ	xyz(28.8455, 37.7970, 64.7946)
Luminance	0.3780 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B4CF #CF4C31

analogous

#31CF9B #31B4CF #3165CF

triadic

#31B4CF #CF31B4 #B4CF31

tetradic

#31B4CF #9B31CF #CF4C31 #65CF31

square

#31B4CF #9B31CF #CF4C31 #65CF31

split-complementary

#31B4CF #CF3165 #CF9B31

monochromatic

#195E6C #25899E #31B4CF #63C6DB #94D8E6

Accessibility & contrast

On white

2.45

#31B4CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.56

#31B4CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B4CF

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B4CF	#FFFFFF	#000000	##000000
##31B4CF	1.00	2.45	8.56	8.56
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.56	21.00	1.00	1.00
##000000	8.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1AED1

Deuteranopia (green-blind)

#8C9FCF

Tritanopia (blue-blind)

#00BEBC

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #31b4cf;
/* rgb */ color: rgb(49, 180, 207);
/* oklch */ color: oklch(71.3% 0.114 215.2);

Tailwind

colors: {
  custom: {
    50: '#82cadd',
    500: '#31b4cf',
    950: '#000000',
  },
}

SCSS

$custom: #31b4cf;
$custom-light: #82cadd;
$custom-dark: #000000;

JSON

{
  "hex": "#31b4cf",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 207
  },
  "hsl": {
    "h": 190.253,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.71289,
    "c": 0.11448,
    "h": 215.2
  },
  "luminance": 0.378
}

Semantic roles & 50–950 ramp

primary

#31B4CF

secondary

#D1978B

accent

#5E43E5

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #31B4CF

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

Preview Lab → · Contrast checker → · Palette generator →