#31B2DC#31B2DC

#31B2DC is a light, vivid cyan. Relative luminance 0.377; OKLCH L 71.4% C 0.123 H 225.0°. Best body text is #000000 at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#31B2DC
RGB	rgb(49, 178, 220)
HSL	hsl(195, 71%, 53%)
HSV	hsv(195, 78%, 86%)
CMYK	cmyk(77.7%, 19.1%, 0%, 13.7%)
CIE-LAB	lab(67.77, -20.26, -30.92)
CIE-LCH	lch(67.77, 36.97, 236.77°)
OKLab	oklab(71.37% -0.0867 -0.0867)
OKLCH	oklch(71.37% 0.123 225)
XYZ	xyz(30.0999, 37.6574, 73.3785)
Luminance	0.3766 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B2DC #DC5B31

analogous

#31DCB1 #31B2DC #315CDC

triadic

#31B2DC #DC31B2 #B2DC31

tetradic

#31B2DC #B131DC #DC5B31 #5CDC31

square

#31B2DC #B131DC #DC5B31 #5CDC31

split-complementary

#31B2DC #DC315C #DCB131

monochromatic

#15647D #1E8DB2 #31B2DC #65C6E5 #9AD9EE

Accessibility & contrast

On white

2.46

#31B2DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.53

#31B2DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B2DC

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B2DC	#FFFFFF	#000000	##000000
##31B2DC	1.00	2.46	8.53	8.53
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.53	21.00	1.00	1.00
##000000	8.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BAEDE

Deuteranopia (green-blind)

#849EDC

Tritanopia (blue-blind)

#00BEC0

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #31b2dc;
/* rgb */ color: rgb(49, 178, 220);
/* oklch */ color: oklch(71.4% 0.123 225.0);

Tailwind

colors: {
  custom: {
    50: '#83c9e7',
    500: '#31b2dc',
    950: '#000000',
  },
}

SCSS

$custom: #31b2dc;
$custom-light: #83c9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#31b2dc",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 220
  },
  "hsl": {
    "h": 194.737,
    "s": 70.954,
    "l": 52.745
  },
  "oklch": {
    "l": 0.71368,
    "c": 0.12267,
    "h": 225
  },
  "luminance": 0.37661
}

Semantic roles & 50–950 ramp

primary

#31B2DC

secondary

#D9A28F

accent

#663AEE

background

#F8FCFE

surface

#F0F8FC

border

#CBD1D5

text

#0D1316

muted

#7D8284

Preview Lab

Preview with #31B2DC

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

Preview Lab → · Contrast checker → · Palette generator →