#31A8D4#31A8D4

#31A8D4 is a light, moderate cyan. Relative luminance 0.334; OKLCH L 68.6% C 0.120 H 227.9°. Best body text is #000000 at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#31A8D4
RGB	rgb(49, 168, 212)
HSL	hsl(196, 65%, 51%)
HSV	hsv(196, 77%, 83%)
CMYK	cmyk(76.9%, 20.8%, 0%, 16.9%)
CIE-LAB	lab(64.49, -17.66, -31.58)
CIE-LCH	lch(64.49, 36.18, 240.79°)
OKLab	oklab(68.64% -0.0803 -0.0887)
OKLCH	oklch(68.64% 0.12 227.9)
XYZ	xyz(27.1480, 33.4084, 67.2922)
Luminance	0.3341 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A8D4 #D45D31

analogous

#31D4AE #31A8D4 #3156D4

triadic

#31A8D4 #D431A8 #A8D431

tetradic

#31A8D4 #AE31D4 #D45D31 #56D431

square

#31A8D4 #AE31D4 #D45D31 #56D431

split-complementary

#31A8D4 #D43156 #D4AE31

monochromatic

#185A73 #2382A5 #31A8D4 #64BDDF #96D3E9

Accessibility & contrast

On white

2.73

#31A8D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.68

#31A8D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31A8D4

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A8D4	#FFFFFF	#000000	##000000
##31A8D4	1.00	2.73	7.68	7.68
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.68	21.00	1.00	1.00
##000000	7.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A5D6

Deuteranopia (green-blind)

#7B96D3

Tritanopia (blue-blind)

#00B5B7

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31a8d4;
/* rgb */ color: rgb(49, 168, 212);
/* oklch */ color: oklch(68.6% 0.120 227.9);

Tailwind

colors: {
  custom: {
    50: '#81c2e1',
    500: '#31a8d4',
    950: '#000000',
  },
}

SCSS

$custom: #31a8d4;
$custom-light: #81c2e1;
$custom-dark: #000000;

JSON

{
  "hex": "#31a8d4",
  "rgb": {
    "r": 49,
    "g": 168,
    "b": 212
  },
  "hsl": {
    "h": 196.196,
    "s": 65.462,
    "l": 51.176
  },
  "oklch": {
    "l": 0.68638,
    "c": 0.11965,
    "h": 227.9
  },
  "luminance": 0.33412
}

Semantic roles & 50–950 ramp

primary

#31A8D4

secondary

#D4A08C

accent

#6D3FE8

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #31A8D4

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

Preview Lab → · Contrast checker → · Palette generator →