#21A9BD#21A9BD

#21A9BD is a light, moderate teal. Relative luminance 0.324; OKLCH L 67.6% C 0.111 H 210.4°. Best body text is #000000 at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#21A9BD
RGB	rgb(33, 169, 189)
HSL	hsl(188, 70%, 44%)
HSV	hsv(188, 83%, 74%)
CMYK	cmyk(82.5%, 10.6%, 0%, 25.9%)
CIE-LAB	lab(63.65, -27.30, -20.12)
CIE-LCH	lch(63.65, 33.91, 216.39°)
OKLab	oklab(67.59% -0.0956 -0.0561)
OKLCH	oklch(67.59% 0.111 210.4)
XYZ	xyz(23.9964, 32.3703, 53.1176)
Luminance	0.3237 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A9BD #BD3521

analogous

#21BD83 #21A9BD #215BBD

triadic

#21A9BD #BD21A9 #A9BD21

tetradic

#21A9BD #8321BD #BD3521 #5BBD21

square

#21A9BD #8321BD #BD3521 #5BBD21

split-complementary

#21A9BD #BD215B #BD8321

monochromatic

#0F4C55 #187A89 #21A9BD #3EC9DD #72D7E6

Accessibility & contrast

On white

2.81

#21A9BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.47

#21A9BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21A9BD

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A9BD	#FFFFFF	#000000	##000000
##21A9BD	1.00	2.81	7.47	7.47
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.47	21.00	1.00	1.00
##000000	7.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A3BE

Deuteranopia (green-blind)

#8494BD

Tritanopia (blue-blind)

#00B2AF

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #21a9bd;
/* rgb */ color: rgb(33, 169, 189);
/* oklch */ color: oklch(67.6% 0.111 210.4);

Tailwind

colors: {
  custom: {
    50: '#7ac3d0',
    500: '#21a9bd',
    950: '#000000',
  },
}

SCSS

$custom: #21a9bd;
$custom-light: #7ac3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#21a9bd",
  "rgb": {
    "r": 33,
    "g": 169,
    "b": 189
  },
  "hsl": {
    "h": 187.692,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.67593,
    "c": 0.11084,
    "h": 210.4
  },
  "luminance": 0.32373
}

Semantic roles & 50–950 ramp

primary

#21A9BD

secondary

#CD796D

accent

#523BED

background

#F8FCFC

surface

#EFF8F9

border

#CAD1D2

text

#0B1214

muted

#7C8182

Preview Lab

Preview with #21A9BD

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

Preview Lab → · Contrast checker → · Palette generator →