#21A8BB#21A8BB

#21A8BB is a light, moderate teal. Relative luminance 0.319; OKLCH L 67.3% C 0.110 H 209.8°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#21A8BB
RGB	rgb(33, 168, 187)
HSL	hsl(187, 70%, 43%)
HSV	hsv(187, 82%, 73%)
CMYK	cmyk(82.4%, 10.2%, 0%, 26.7%)
CIE-LAB	lab(63.27, -27.44, -19.58)
CIE-LCH	lch(63.27, 33.71, 215.50°)
OKLab	oklab(67.27% -0.0955 -0.0546)
OKLCH	oklch(67.27% 0.11 209.8)
XYZ	xyz(23.5955, 31.9134, 51.9204)
Luminance	0.3192 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A8BB #BB3421

analogous

#21BB81 #21A8BB #215BBB

triadic

#21A8BB #BB21A8 #A8BB21

tetradic

#21A8BB #8121BB #BB3421 #5BBB21

square

#21A8BB #8121BB #BB3421 #5BBB21

split-complementary

#21A8BB #BB215B #BB8121

monochromatic

#0F4B53 #187987 #21A8BB #3DC9DD #71D7E6

Accessibility & contrast

On white

2.84

#21A8BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.38

#21A8BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A8BB

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A8BB	#FFFFFF	#000000	##000000
##21A8BB	1.00	2.84	7.38	7.38
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.38	21.00	1.00	1.00
##000000	7.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A2BC

Deuteranopia (green-blind)

#8493BB

Tritanopia (blue-blind)

#00B0AE

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #21a8bb;
/* rgb */ color: rgb(33, 168, 187);
/* oklch */ color: oklch(67.3% 0.110 209.8);

Tailwind

colors: {
  custom: {
    50: '#7ac2cf',
    500: '#21a8bb',
    950: '#000000',
  },
}

SCSS

$custom: #21a8bb;
$custom-light: #7ac2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#21a8bb",
  "rgb": {
    "r": 33,
    "g": 168,
    "b": 187
  },
  "hsl": {
    "h": 187.403,
    "s": 70,
    "l": 43.137
  },
  "oklch": {
    "l": 0.67265,
    "c": 0.10997,
    "h": 209.8
  },
  "luminance": 0.31916
}

Semantic roles & 50–950 ramp

primary

#21A8BB

secondary

#CC776B

accent

#513BED

background

#F8FBFC

surface

#EFF7F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #21A8BB

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

Preview Lab → · Contrast checker → · Palette generator →