#31B0D0#31B0D0

#31B0D0 is a light, moderate cyan. Relative luminance 0.363; OKLCH L 70.4% C 0.115 H 219.1°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#31B0D0
RGB	rgb(49, 176, 208)
HSL	hsl(192, 63%, 50%)
HSV	hsv(192, 76%, 82%)
CMYK	cmyk(76.4%, 15.4%, 0%, 18.4%)
CIE-LAB	lab(66.71, -23.15, -25.94)
CIE-LCH	lch(66.71, 34.77, 228.26°)
OKLab	oklab(70.37% -0.0894 -0.0725)
OKLCH	oklch(70.37% 0.115 219.1)
XYZ	xyz(28.1723, 36.2543, 65.1753)
Luminance	0.3626 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B0D0 #D05131

analogous

#31D0A0 #31B0D0 #3161D0

triadic

#31B0D0 #D031B0 #B0D031

tetradic

#31B0D0 #A031D0 #D05131 #61D031

square

#31B0D0 #A031D0 #D05131 #61D031

split-complementary

#31B0D0 #D03161 #D0A031

monochromatic

#195D6E #24879F #31B0D0 #63C3DB #95D6E7

Accessibility & contrast

On white

2.54

#31B0D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#31B0D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B0D0

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B0D0	#FFFFFF	#000000	##000000
##31B0D0	1.00	2.54	8.25	8.25
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CABD2

Deuteranopia (green-blind)

#879CD0

Tritanopia (blue-blind)

#00BBBA

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #31b0d0;
/* rgb */ color: rgb(49, 176, 208);
/* oklch */ color: oklch(70.4% 0.115 219.1);

Tailwind

colors: {
  custom: {
    50: '#81c7de',
    500: '#31b0d0',
    950: '#000000',
  },
}

SCSS

$custom: #31b0d0;
$custom-light: #81c7de;
$custom-dark: #000000;

JSON

{
  "hex": "#31b0d0",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 208
  },
  "hsl": {
    "h": 192.075,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.7037,
    "c": 0.1151,
    "h": 219.1
  },
  "luminance": 0.36258
}

Semantic roles & 50–950 ramp

primary

#31B0D0

secondary

#D2998B

accent

#6342E6

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #31B0D0

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

Preview Lab → · Contrast checker → · Palette generator →