#21BAB4#21BAB4

#21BAB4 is a light, moderate teal. Relative luminance 0.387; OKLCH L 71.5% C 0.118 H 190.6°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#21BAB4
RGB	rgb(33, 186, 180)
HSL	hsl(178, 70%, 43%)
HSV	hsv(178, 82%, 73%)
CMYK	cmyk(82.3%, 0%, 3.2%, 27.1%)
CIE-LAB	lab(68.56, -38.16, -7.74)
CIE-LCH	lch(68.56, 38.93, 191.47°)
OKLab	oklab(71.48% -0.1157 -0.0217)
OKLCH	oklch(71.48% 0.118 190.6)
XYZ	xyz(26.4204, 38.7331, 49.2549)
Luminance	0.3874 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BAB4 #BA2127

analogous

#21BA67 #21BAB4 #2173BA

triadic

#21BAB4 #B421BA #BAB421

tetradic

#21BAB4 #6721BA #BA2127 #73BA21

square

#21BAB4 #6721BA #BA2127 #73BA21

split-complementary

#21BAB4 #BA2173 #BA6721

monochromatic

#0F524F #188682 #21BAB4 #3CDCD6 #70E6E1

Accessibility & contrast

On white

2.40

#21BAB4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#21BAB4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BAB4

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BAB4	#FFFFFF	#000000	##000000
##21BAB4	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEB0B4

Deuteranopia (green-blind)

#9AA1B5

Tritanopia (blue-blind)

#00BFB8

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #21bab4;
/* rgb */ color: rgb(33, 186, 180);
/* oklch */ color: oklch(71.5% 0.118 190.6);

Tailwind

colors: {
  custom: {
    50: '#7bcfca',
    500: '#21bab4',
    950: '#000000',
  },
}

SCSS

$custom: #21bab4;
$custom-light: #7bcfca;
$custom-dark: #000000;

JSON

{
  "hex": "#21bab4",
  "rgb": {
    "r": 33,
    "g": 186,
    "b": 180
  },
  "hsl": {
    "h": 177.647,
    "s": 69.863,
    "l": 42.941
  },
  "oklch": {
    "l": 0.71481,
    "c": 0.11775,
    "h": 190.6
  },
  "luminance": 0.38736
}

Semantic roles & 50–950 ramp

primary

#21BAB4

secondary

#CC6B6F

accent

#3B42ED

background

#F8FCFC

surface

#EFF9F8

border

#CAD2D1

text

#0B1413

muted

#7C8282

Preview Lab

Preview with #21BAB4

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

Preview Lab → · Contrast checker → · Palette generator →