#31B5CC#31B5CC

#31B5CC is a light, moderate teal. Relative luminance 0.381; OKLCH L 71.4% C 0.113 H 212.3°. Best body text is #000000 at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#31B5CC
RGB	rgb(49, 181, 204)
HSL	hsl(189, 61%, 50%)
HSV	hsv(189, 76%, 80%)
CMYK	cmyk(76%, 11.3%, 0%, 20%)
CIE-LAB	lab(68.06, -26.95, -21.68)
CIE-LCH	lch(68.06, 34.59, 218.81°)
OKLab	oklab(71.41% -0.0957 -0.0604)
OKLCH	oklch(71.41% 0.113 212.3)
XYZ	xyz(28.6849, 38.0569, 62.9489)
Luminance	0.3806 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B5CC #CC4831

analogous

#31CC95 #31B5CC #3168CC

triadic

#31B5CC #CC31B5 #B5CC31

tetradic

#31B5CC #9531CC #CC4831 #68CC31

square

#31B5CC #9531CC #CC4831 #68CC31

split-complementary

#31B5CC #CC3168 #CC9531

monochromatic

#195D69 #25899B #31B5CC #61C7D9 #92D9E5

Accessibility & contrast

On white

2.44

#31B5CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.61

#31B5CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B5CC

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B5CC	#FFFFFF	#000000	##000000
##31B5CC	1.00	2.44	8.61	8.61
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.61	21.00	1.00	1.00
##000000	8.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AFCD

Deuteranopia (green-blind)

#8E9FCC

Tritanopia (blue-blind)

#00BEBC

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #31b5cc;
/* rgb */ color: rgb(49, 181, 204);
/* oklch */ color: oklch(71.4% 0.113 212.3);

Tailwind

colors: {
  custom: {
    50: '#81cbdb',
    500: '#31b5cc',
    950: '#000000',
  },
}

SCSS

$custom: #31b5cc;
$custom-light: #81cbdb;
$custom-dark: #000000;

JSON

{
  "hex": "#31b5cc",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 204
  },
  "hsl": {
    "h": 188.903,
    "s": 61.265,
    "l": 49.608
  },
  "oklch": {
    "l": 0.71408,
    "c": 0.11322,
    "h": 212.3
  },
  "luminance": 0.3806
}

Semantic roles & 50–950 ramp

primary

#31B5CC

secondary

#D09389

accent

#5B43E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #31B5CC

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

Preview Lab → · Contrast checker → · Palette generator →