#21BCA3#21BCA3

#21BCA3 is a light, vivid teal. Relative luminance 0.389; OKLCH L 71.4% C 0.126 H 178.1°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#21BCA3
RGB	rgb(33, 188, 163)
HSL	hsl(170, 70%, 43%)
HSV	hsv(170, 82%, 74%)
CMYK	cmyk(82.4%, 0%, 13.3%, 26.3%)
CIE-LAB	lab(68.70, -43.80, 1.81)
CIE-LCH	lch(68.70, 43.84, 177.63°)
OKLab	oklab(71.44% -0.1255 0.0041)
OKLCH	oklch(71.44% 0.126 178.1)
XYZ	xyz(25.2179, 38.9309, 40.8285)
Luminance	0.3893 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BCA3 #BC213A

analogous

#21BC56 #21BCA3 #2187BC

triadic

#21BCA3 #A321BC #BCA321

tetradic

#21BCA3 #5621BC #BC213A #87BC21

square

#21BCA3 #5621BC #BC213A #87BC21

split-complementary

#21BCA3 #BC2187 #BC5621

monochromatic

#0F5449 #188876 #21BCA3 #3DDDC3 #71E6D3

Accessibility & contrast

On white

2.39

#21BCA3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.79

#21BCA3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BCA3

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BCA3	#FFFFFF	#000000	##000000
##21BCA3	1.00	2.39	8.79	8.79
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.79	21.00	1.00	1.00
##000000	8.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4B0A2

Deuteranopia (green-blind)

#A1A2A5

Tritanopia (blue-blind)

#00BFB4

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #21bca3;
/* rgb */ color: rgb(33, 188, 163);
/* oklch */ color: oklch(71.4% 0.126 178.1);

Tailwind

colors: {
  custom: {
    50: '#7ad1be',
    500: '#21bca3',
    950: '#000000',
  },
}

SCSS

$custom: #21bca3;
$custom-light: #7ad1be;
$custom-dark: #000000;

JSON

{
  "hex": "#21bca3",
  "rgb": {
    "r": 33,
    "g": 188,
    "b": 163
  },
  "hsl": {
    "h": 170.323,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.71441,
    "c": 0.12557,
    "h": 178.1
  },
  "luminance": 0.38934
}

Semantic roles & 50–950 ramp

primary

#21BCA3

secondary

#CD6C7C

accent

#3B58ED

background

#F8FCFB

surface

#EFF9F6

border

#CAD2D0

text

#0B1412

muted

#7C8281

Preview Lab

Preview with #21BCA3

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

Preview Lab → · Contrast checker → · Palette generator →