#31B2CF#31B2CF

#31B2CF is a light, moderate cyan. Relative luminance 0.370; OKLCH L 70.8% C 0.114 H 216.8°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#31B2CF
RGB	rgb(49, 178, 207)
HSL	hsl(191, 62%, 50%)
HSV	hsv(191, 76%, 81%)
CMYK	cmyk(76.3%, 14%, 0%, 18.8%)
CIE-LAB	lab(67.27, -24.49, -24.53)
CIE-LCH	lch(67.27, 34.67, 225.05°)
OKLab	oklab(70.81% -0.0917 -0.0685)
OKLCH	oklch(70.81% 0.114 216.8)
XYZ	xyz(28.4447, 36.9953, 64.6610)
Luminance	0.3700 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B2CF #CF4E31

analogous

#31CF9D #31B2CF #3163CF

triadic

#31B2CF #CF31B2 #B2CF31

tetradic

#31B2CF #9D31CF #CF4E31 #63CF31

square

#31B2CF #9D31CF #CF4E31 #63CF31

split-complementary

#31B2CF #CF3163 #CF9D31

monochromatic

#195D6C #25889E #31B2CF #63C5DB #94D7E6

Accessibility & contrast

On white

2.50

#31B2CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#31B2CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B2CF

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B2CF	#FFFFFF	#000000	##000000
##31B2CF	1.00	2.50	8.40	8.40
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.40	21.00	1.00	1.00
##000000	8.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FADD1

Deuteranopia (green-blind)

#8A9DCF

Tritanopia (blue-blind)

#00BCBB

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #31b2cf;
/* rgb */ color: rgb(49, 178, 207);
/* oklch */ color: oklch(70.8% 0.114 216.8);

Tailwind

colors: {
  custom: {
    50: '#81c9dd',
    500: '#31b2cf',
    950: '#000000',
  },
}

SCSS

$custom: #31b2cf;
$custom-light: #81c9dd;
$custom-dark: #000000;

JSON

{
  "hex": "#31b2cf",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 207
  },
  "hsl": {
    "h": 191.013,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.70808,
    "c": 0.11445,
    "h": 216.8
  },
  "luminance": 0.36999
}

Semantic roles & 50–950 ramp

primary

#31B2CF

secondary

#D1988B

accent

#6043E5

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #31B2CF

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

Preview Lab → · Contrast checker → · Palette generator →