#31A3D0#31A3D0

#31A3D0 is a light, moderate cyan. Relative luminance 0.314; OKLCH L 67.3% C 0.118 H 229.4°. Best body text is #000000 at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#31A3D0
RGB	rgb(49, 163, 208)
HSL	hsl(197, 63%, 50%)
HSV	hsv(197, 76%, 82%)
CMYK	cmyk(76.4%, 21.6%, 0%, 18.4%)
CIE-LAB	lab(62.84, -16.33, -31.92)
CIE-LCH	lch(62.84, 35.85, 242.90°)
OKLab	oklab(67.27% -0.077 -0.0897)
OKLCH	oklch(67.27% 0.118 229.4)
XYZ	xyz(25.7443, 31.3983, 64.3659)
Luminance	0.3140 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A3D0 #D05E31

analogous

#31D0AD #31A3D0 #3153D0

triadic

#31A3D0 #D031A3 #A3D031

tetradic

#31A3D0 #AD31D0 #D05E31 #53D031

square

#31A3D0 #AD31D0 #D05E31 #53D031

split-complementary

#31A3D0 #D03153 #D0AD31

monochromatic

#19566E #247D9F #31A3D0 #63B9DB #95D0E7

Accessibility & contrast

On white

2.88

#31A3D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.28

#31A3D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31A3D0

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A3D0	#FFFFFF	#000000	##000000
##31A3D0	1.00	2.88	7.28	7.28
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.28	21.00	1.00	1.00
##000000	7.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CA1D2

Deuteranopia (green-blind)

#7691CF

Tritanopia (blue-blind)

#00B0B2

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #31a3d0;
/* rgb */ color: rgb(49, 163, 208);
/* oklch */ color: oklch(67.3% 0.118 229.4);

Tailwind

colors: {
  custom: {
    50: '#80bede',
    500: '#31a3d0',
    950: '#000000',
  },
}

SCSS

$custom: #31a3d0;
$custom-light: #80bede;
$custom-dark: #000000;

JSON

{
  "hex": "#31a3d0",
  "rgb": {
    "r": 49,
    "g": 163,
    "b": 208
  },
  "hsl": {
    "h": 196.981,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.67266,
    "c": 0.11824,
    "h": 229.4
  },
  "luminance": 0.31401
}

Semantic roles & 50–950 ramp

primary

#31A3D0

secondary

#D29F8B

accent

#7042E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #31A3D0

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

Preview Lab → · Contrast checker → · Palette generator →