#31A5D0#31A5D0

#31A5D0 is a light, moderate cyan. Relative luminance 0.321; OKLCH L 67.7% C 0.117 H 227.8°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#31A5D0
RGB	rgb(49, 165, 208)
HSL	hsl(196, 63%, 50%)
HSV	hsv(196, 76%, 82%)
CMYK	cmyk(76.4%, 20.7%, 0%, 18.4%)
CIE-LAB	lab(63.44, -17.40, -31.00)
CIE-LCH	lch(63.44, 35.55, 240.69°)
OKLab	oklab(67.74% -0.0789 -0.087)
OKLCH	oklch(67.74% 0.117 227.8)
XYZ	xyz(26.1023, 32.1141, 64.4852)
Luminance	0.3212 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A5D0 #D05C31

analogous

#31D0AB #31A5D0 #3156D0

triadic

#31A5D0 #D031A5 #A5D031

tetradic

#31A5D0 #AB31D0 #D05C31 #56D031

square

#31A5D0 #AB31D0 #D05C31 #56D031

split-complementary

#31A5D0 #D03156 #D0AB31

monochromatic

#19576E #247E9F #31A5D0 #63BBDB #95D1E7

Accessibility & contrast

On white

2.83

#31A5D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#31A5D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31A5D0

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A5D0	#FFFFFF	#000000	##000000
##31A5D0	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA2D2

Deuteranopia (green-blind)

#7993CF

Tritanopia (blue-blind)

#00B1B3

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31a5d0;
/* rgb */ color: rgb(49, 165, 208);
/* oklch */ color: oklch(67.7% 0.117 227.8);

Tailwind

colors: {
  custom: {
    50: '#81bfde',
    500: '#31a5d0',
    950: '#000000',
  },
}

SCSS

$custom: #31a5d0;
$custom-light: #81bfde;
$custom-dark: #000000;

JSON

{
  "hex": "#31a5d0",
  "rgb": {
    "r": 49,
    "g": 165,
    "b": 208
  },
  "hsl": {
    "h": 196.226,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.67741,
    "c": 0.11749,
    "h": 227.8
  },
  "luminance": 0.32117
}

Semantic roles & 50–950 ramp

primary

#31A5D0

secondary

#D29E8B

accent

#6E42E6

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #31A5D0

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

Preview Lab → · Contrast checker → · Palette generator →