#31A3BB#31A3BB

#31A3BB is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.3% C 0.104 H 215.1°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#31A3BB
RGB	rgb(49, 163, 187)
HSL	hsl(190, 58%, 46%)
HSV	hsv(190, 74%, 73%)
CMYK	cmyk(73.8%, 12.8%, 0%, 26.7%)
CIE-LAB	lab(62.03, -23.26, -21.45)
CIE-LCH	lch(62.03, 31.64, 222.69°)
OKLab	oklab(66.34% -0.085 -0.0598)
OKLCH	oklch(66.34% 0.104 215.1)
XYZ	xyz(23.3296, 30.4324, 51.6486)
Luminance	0.3044 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A3BB #BB4931

analogous

#31BB8E #31A3BB #315EBB

triadic

#31A3BB #BB31A3 #A3BB31

tetradic

#31A3BB #8E31BB #BB4931 #5EBB31

square

#31A3BB #8E31BB #BB4931 #5EBB31

split-complementary

#31A3BB #BB315E #BB8E31

monochromatic

#184E5A #24798B #31A3BB #56BDD3 #87D0E0

Accessibility & contrast

On white

2.96

#31A3BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.09

#31A3BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31A3BB

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A3BB	#FFFFFF	#000000	##000000
##31A3BB	1.00	2.96	7.09	7.09
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.09	21.00	1.00	1.00
##000000	7.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#929EBC

Deuteranopia (green-blind)

#7F90BB

Tritanopia (blue-blind)

#00ACAA

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #31a3bb;
/* rgb */ color: rgb(49, 163, 187);
/* oklch */ color: oklch(66.3% 0.104 215.1);

Tailwind

colors: {
  custom: {
    50: '#7dbecf',
    500: '#31a3bb',
    950: '#000000',
  },
}

SCSS

$custom: #31a3bb;
$custom-light: #7dbecf;
$custom-dark: #000000;

JSON

{
  "hex": "#31a3bb",
  "rgb": {
    "r": 49,
    "g": 163,
    "b": 187
  },
  "hsl": {
    "h": 190.435,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.6634,
    "c": 0.10395,
    "h": 215.1
  },
  "luminance": 0.30435
}

Semantic roles & 50–950 ramp

primary

#31A3BB

secondary

#C98C7F

accent

#6146E2

background

#F8FBFC

surface

#EFF7F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #31A3BB

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

Preview Lab → · Contrast checker → · Palette generator →