#31B0DC#31B0DC

#31B0DC is a light, vivid cyan. Relative luminance 0.369; OKLCH L 70.9% C 0.123 H 226.5°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#31B0DC
RGB	rgb(49, 176, 220)
HSL	hsl(195, 71%, 53%)
HSV	hsv(195, 78%, 86%)
CMYK	cmyk(77.7%, 20%, 0%, 13.7%)
CIE-LAB	lab(67.18, -19.21, -31.83)
CIE-LCH	lch(67.18, 37.18, 238.89°)
OKLab	oklab(70.9% -0.0849 -0.0894)
OKLCH	oklch(70.9% 0.123 226.5)
XYZ	xyz(29.7049, 36.8673, 73.2468)
Luminance	0.3687 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B0DC #DC5D31

analogous

#31DCB3 #31B0DC #315ADC

triadic

#31B0DC #DC31B0 #B0DC31

tetradic

#31B0DC #B331DC #DC5D31 #5ADC31

square

#31B0DC #B331DC #DC5D31 #5ADC31

split-complementary

#31B0DC #DC315A #DCB331

monochromatic

#15637D #1E8CB2 #31B0DC #65C4E5 #9AD8EE

Accessibility & contrast

On white

2.51

#31B0DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.37

#31B0DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B0DC

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B0DC	#FFFFFF	#000000	##000000
##31B0DC	1.00	2.51	8.37	8.37
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.37	21.00	1.00	1.00
##000000	8.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98ADDE

Deuteranopia (green-blind)

#829CDB

Tritanopia (blue-blind)

#00BDBE

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #31b0dc;
/* rgb */ color: rgb(49, 176, 220);
/* oklch */ color: oklch(70.9% 0.123 226.5);

Tailwind

colors: {
  custom: {
    50: '#83c7e7',
    500: '#31b0dc',
    950: '#000000',
  },
}

SCSS

$custom: #31b0dc;
$custom-light: #83c7e7;
$custom-dark: #000000;

JSON

{
  "hex": "#31b0dc",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 220
  },
  "hsl": {
    "h": 195.439,
    "s": 70.954,
    "l": 52.745
  },
  "oklch": {
    "l": 0.70895,
    "c": 0.12325,
    "h": 226.5
  },
  "luminance": 0.36871
}

Semantic roles & 50–950 ramp

primary

#31B0DC

secondary

#D9A28F

accent

#683AEE

background

#F8FCFE

surface

#F0F8FC

border

#CBD1D5

text

#0C1316

muted

#7D8284

Preview Lab

Preview with #31B0DC

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

Preview Lab → · Contrast checker → · Palette generator →