#31ABC9#31ABC9

#31ABC9 is a light, moderate cyan. Relative luminance 0.340; OKLCH L 68.9% C 0.111 H 218.4°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#31ABC9
RGB	rgb(49, 171, 201)
HSL	hsl(192, 61%, 49%)
HSV	hsv(192, 76%, 79%)
CMYK	cmyk(75.6%, 14.9%, 0%, 21.2%)
CIE-LAB	lab(64.96, -22.85, -24.77)
CIE-LCH	lch(64.96, 33.70, 227.30°)
OKLab	oklab(68.87% -0.0873 -0.0692)
OKLCH	oklch(68.87% 0.111 218.4)
XYZ	xyz(26.3677, 33.9927, 60.4186)
Luminance	0.3400 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31ABC9 #C94F31

analogous

#31C99B #31ABC9 #315FC9

triadic

#31ABC9 #C931AB #ABC931

tetradic

#31ABC9 #9B31C9 #C94F31 #5FC931

square

#31ABC9 #9B31C9 #C94F31 #5FC931

split-complementary

#31ABC9 #C9315F #C99B31

monochromatic

#195767 #258198 #31ABC9 #5FC0D8 #90D4E4

Accessibility & contrast

On white

2.69

#31ABC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#31ABC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31ABC9

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31ABC9	#FFFFFF	#000000	##000000
##31ABC9	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A6CB

Deuteranopia (green-blind)

#8397C9

Tritanopia (blue-blind)

#00B5B4

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31abc9;
/* rgb */ color: rgb(49, 171, 201);
/* oklch */ color: oklch(68.9% 0.111 218.4);

Tailwind

colors: {
  custom: {
    50: '#80c4d9',
    500: '#31abc9',
    950: '#000000',
  },
}

SCSS

$custom: #31abc9;
$custom-light: #80c4d9;
$custom-dark: #000000;

JSON

{
  "hex": "#31abc9",
  "rgb": {
    "r": 49,
    "g": 171,
    "b": 201
  },
  "hsl": {
    "h": 191.842,
    "s": 60.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.6887,
    "c": 0.1114,
    "h": 218.4
  },
  "luminance": 0.33996
}

Semantic roles & 50–950 ramp

primary

#31ABC9

secondary

#CF9587

accent

#6344E4

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #31ABC9

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

Preview Lab → · Contrast checker → · Palette generator →