#21A7BB#21A7BB

#21A7BB is a light, moderate teal. Relative luminance 0.315; OKLCH L 67.0% C 0.110 H 210.6°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#21A7BB
RGB	rgb(33, 167, 187)
HSL	hsl(188, 70%, 43%)
HSV	hsv(188, 82%, 73%)
CMYK	cmyk(82.4%, 10.7%, 0%, 26.7%)
CIE-LAB	lab(62.97, -26.94, -20.04)
CIE-LCH	lch(62.97, 33.58, 216.64°)
OKLab	oklab(67.02% -0.0945 -0.0559)
OKLCH	oklch(67.02% 0.11 210.6)
XYZ	xyz(23.4116, 31.5456, 51.8591)
Luminance	0.3155 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A7BB #BB3521

analogous

#21BB82 #21A7BB #215ABB

triadic

#21A7BB #BB21A7 #A7BB21

tetradic

#21A7BB #8221BB #BB3521 #5ABB21

square

#21A7BB #8221BB #BB3521 #5ABB21

split-complementary

#21A7BB #BB215A #BB8221

monochromatic

#0F4A53 #187987 #21A7BB #3DC8DD #71D7E6

Accessibility & contrast

On white

2.87

#21A7BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#21A7BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A7BB

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A7BB	#FFFFFF	#000000	##000000
##21A7BB	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A1BC

Deuteranopia (green-blind)

#8292BB

Tritanopia (blue-blind)

#00B0AD

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #21a7bb;
/* rgb */ color: rgb(33, 167, 187);
/* oklch */ color: oklch(67.0% 0.110 210.6);

Tailwind

colors: {
  custom: {
    50: '#79c1cf',
    500: '#21a7bb',
    950: '#000000',
  },
}

SCSS

$custom: #21a7bb;
$custom-light: #79c1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#21a7bb",
  "rgb": {
    "r": 33,
    "g": 167,
    "b": 187
  },
  "hsl": {
    "h": 187.792,
    "s": 70,
    "l": 43.137
  },
  "oklch": {
    "l": 0.67018,
    "c": 0.10981,
    "h": 210.6
  },
  "luminance": 0.31549
}

Semantic roles & 50–950 ramp

primary

#21A7BB

secondary

#CC786B

accent

#523BED

background

#F8FBFC

surface

#EFF7F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #21A7BB

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

Preview Lab → · Contrast checker → · Palette generator →