#31ACD4#31ACD4

#31ACD4 is a light, moderate cyan. Relative luminance 0.349; OKLCH L 69.6% C 0.118 H 224.8°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#31ACD4
RGB	rgb(49, 172, 212)
HSL	hsl(195, 65%, 51%)
HSV	hsv(195, 77%, 83%)
CMYK	cmyk(76.9%, 18.9%, 0%, 16.9%)
CIE-LAB	lab(65.68, -19.77, -29.75)
CIE-LCH	lch(65.68, 35.72, 236.39°)
OKLab	oklab(69.59% -0.0841 -0.0834)
OKLCH	oklch(69.59% 0.118 224.8)
XYZ	xyz(27.8979, 34.9081, 67.5422)
Luminance	0.3491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31ACD4 #D45931

analogous

#31D4AA #31ACD4 #315AD4

triadic

#31ACD4 #D431AC #ACD431

tetradic

#31ACD4 #AA31D4 #D45931 #5AD431

square

#31ACD4 #AA31D4 #D45931 #5AD431

split-complementary

#31ACD4 #D4315A #D4AA31

monochromatic

#185C73 #2385A5 #31ACD4 #64C0DF #96D5E9

Accessibility & contrast

On white

2.63

#31ACD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#31ACD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31ACD4

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31ACD4	#FFFFFF	#000000	##000000
##31ACD4	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A8D6

Deuteranopia (green-blind)

#8099D4

Tritanopia (blue-blind)

#00B8B9

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #31acd4;
/* rgb */ color: rgb(49, 172, 212);
/* oklch */ color: oklch(69.6% 0.118 224.8);

Tailwind

colors: {
  custom: {
    50: '#82c4e1',
    500: '#31acd4',
    950: '#000000',
  },
}

SCSS

$custom: #31acd4;
$custom-light: #82c4e1;
$custom-dark: #000000;

JSON

{
  "hex": "#31acd4",
  "rgb": {
    "r": 49,
    "g": 172,
    "b": 212
  },
  "hsl": {
    "h": 194.724,
    "s": 65.462,
    "l": 51.176
  },
  "oklch": {
    "l": 0.69588,
    "c": 0.11843,
    "h": 224.8
  },
  "luminance": 0.34911
}

Semantic roles & 50–950 ramp

primary

#31ACD4

secondary

#D49E8C

accent

#693FE8

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #31ACD4

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

Preview Lab → · Contrast checker → · Palette generator →