#31ADD4#31ADD4

#31ADD4 is a light, moderate cyan. Relative luminance 0.353; OKLCH L 69.8% C 0.118 H 224.0°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#31ADD4
RGB	rgb(49, 173, 212)
HSL	hsl(194, 65%, 51%)
HSV	hsv(194, 77%, 83%)
CMYK	cmyk(76.9%, 18.4%, 0%, 16.9%)
CIE-LAB	lab(65.97, -20.29, -29.29)
CIE-LCH	lch(65.97, 35.63, 235.29°)
OKLab	oklab(69.83% -0.085 -0.0821)
OKLCH	oklch(69.83% 0.118 224)
XYZ	xyz(28.0889, 35.2902, 67.6059)
Luminance	0.3529 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31ADD4 #D45831

analogous

#31D4A9 #31ADD4 #315BD4

triadic

#31ADD4 #D431AD #ADD431

tetradic

#31ADD4 #A931D4 #D45831 #5BD431

square

#31ADD4 #A931D4 #D45831 #5BD431

split-complementary

#31ADD4 #D4315B #D4A931

monochromatic

#185D73 #2386A5 #31ADD4 #64C1DF #96D5E9

Accessibility & contrast

On white

2.61

#31ADD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.06

#31ADD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31ADD4

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31ADD4	#FFFFFF	#000000	##000000
##31ADD4	1.00	2.61	8.06	8.06
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.06	21.00	1.00	1.00
##000000	8.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A9D6

Deuteranopia (green-blind)

#819AD4

Tritanopia (blue-blind)

#00B9BA

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #31add4;
/* rgb */ color: rgb(49, 173, 212);
/* oklch */ color: oklch(69.8% 0.118 224.0);

Tailwind

colors: {
  custom: {
    50: '#82c5e1',
    500: '#31add4',
    950: '#000000',
  },
}

SCSS

$custom: #31add4;
$custom-light: #82c5e1;
$custom-dark: #000000;

JSON

{
  "hex": "#31add4",
  "rgb": {
    "r": 49,
    "g": 173,
    "b": 212
  },
  "hsl": {
    "h": 194.356,
    "s": 65.462,
    "l": 51.176
  },
  "oklch": {
    "l": 0.69826,
    "c": 0.11818,
    "h": 224
  },
  "luminance": 0.35294
}

Semantic roles & 50–950 ramp

primary

#31ADD4

secondary

#D49E8C

accent

#683FE8

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #31ADD4

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

Preview Lab → · Contrast checker → · Palette generator →