#31A3BC#31A3BC

#31A3BC is a light, moderate cyan. Relative luminance 0.305; OKLCH L 66.4% C 0.104 H 215.9°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#31A3BC
RGB	rgb(49, 163, 188)
HSL	hsl(191, 59%, 46%)
HSV	hsv(191, 74%, 74%)
CMYK	cmyk(73.9%, 13.3%, 0%, 26.3%)
CIE-LAB	lab(62.06, -22.94, -21.96)
CIE-LCH	lch(62.06, 31.75, 223.75°)
OKLab	oklab(66.38% -0.0846 -0.0612)
OKLCH	oklch(66.38% 0.104 215.9)
XYZ	xyz(23.4371, 30.4754, 52.2143)
Luminance	0.3048 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A3BC #BC4A31

analogous

#31BC90 #31A3BC #315EBC

triadic

#31A3BC #BC31A3 #A3BC31

tetradic

#31A3BC #9031BC #BC4A31 #5EBC31

square

#31A3BC #9031BC #BC4A31 #5EBC31

split-complementary

#31A3BC #BC315E #BC9031

monochromatic

#184F5B #24798B #31A3BC #57BDD3 #88D0E0

Accessibility & contrast

On white

2.96

#31A3BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#31A3BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31A3BC

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A3BC	#FFFFFF	#000000	##000000
##31A3BC	1.00	2.96	7.10	7.10
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.10	21.00	1.00	1.00
##000000	7.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#929EBD

Deuteranopia (green-blind)

#7F90BC

Tritanopia (blue-blind)

#00ACAB

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #31a3bc;
/* rgb */ color: rgb(49, 163, 188);
/* oklch */ color: oklch(66.4% 0.104 215.9);

Tailwind

colors: {
  custom: {
    50: '#7ebed0',
    500: '#31a3bc',
    950: '#000000',
  },
}

SCSS

$custom: #31a3bc;
$custom-light: #7ebed0;
$custom-dark: #000000;

JSON

{
  "hex": "#31a3bc",
  "rgb": {
    "r": 49,
    "g": 163,
    "b": 188
  },
  "hsl": {
    "h": 190.791,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.66382,
    "c": 0.10445,
    "h": 215.9
  },
  "luminance": 0.30478
}

Semantic roles & 50–950 ramp

primary

#31A3BC

secondary

#CA8D7F

accent

#6246E2

background

#F8FBFC

surface

#EFF7F9

border

#CAD0D2

text

#0B1214

muted

#7C8182

Preview Lab

Preview with #31A3BC

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

Preview Lab → · Contrast checker → · Palette generator →