#31A1BB#31A1BB

#31A1BB is a light, moderate cyan. Relative luminance 0.297; OKLCH L 65.9% C 0.104 H 217.0°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#31A1BB
RGB	rgb(49, 161, 187)
HSL	hsl(191, 58%, 46%)
HSV	hsv(191, 74%, 73%)
CMYK	cmyk(73.8%, 13.9%, 0%, 26.7%)
CIE-LAB	lab(61.42, -22.23, -22.38)
CIE-LCH	lch(61.42, 31.54, 225.20°)
OKLab	oklab(65.85% -0.083 -0.0624)
OKLCH	oklch(65.85% 0.104 217)
XYZ	xyz(22.9773, 29.7278, 51.5311)
Luminance	0.2973 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A1BB #BB4B31

analogous

#31BB90 #31A1BB #315CBB

triadic

#31A1BB #BB31A1 #A1BB31

tetradic

#31A1BB #9031BB #BB4B31 #5CBB31

square

#31A1BB #9031BB #BB4B31 #5CBB31

split-complementary

#31A1BB #BB315C #BB9031

monochromatic

#184E5A #24778B #31A1BB #56BBD3 #87CFE0

Accessibility & contrast

On white

3.02

#31A1BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#31A1BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #31A1BB

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A1BB	#FFFFFF	#000000	##000000
##31A1BB	1.00	3.02	6.95	6.95
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.95	21.00	1.00	1.00
##000000	6.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909CBC

Deuteranopia (green-blind)

#7D8EBB

Tritanopia (blue-blind)

#00AAA9

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #31a1bb;
/* rgb */ color: rgb(49, 161, 187);
/* oklch */ color: oklch(65.9% 0.104 217.0);

Tailwind

colors: {
  custom: {
    50: '#7dbdcf',
    500: '#31a1bb',
    950: '#000000',
  },
}

SCSS

$custom: #31a1bb;
$custom-light: #7dbdcf;
$custom-dark: #000000;

JSON

{
  "hex": "#31a1bb",
  "rgb": {
    "r": 49,
    "g": 161,
    "b": 187
  },
  "hsl": {
    "h": 191.304,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.65852,
    "c": 0.10389,
    "h": 217
  },
  "luminance": 0.29731
}

Semantic roles & 50–950 ramp

primary

#31A1BB

secondary

#C98D7F

accent

#6346E2

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #31A1BB

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

Preview Lab → · Contrast checker → · Palette generator →