#21BDB5#21BDB5

#21BDB5 is a light, moderate teal. Relative luminance 0.401; OKLCH L 72.3% C 0.120 H 189.3°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#21BDB5
RGB	rgb(33, 189, 181)
HSL	hsl(177, 70%, 44%)
HSV	hsv(177, 83%, 74%)
CMYK	cmyk(82.5%, 0%, 4.2%, 25.9%)
CIE-LAB	lab(69.51, -39.22, -6.88)
CIE-LCH	lch(69.51, 39.82, 189.95°)
OKLab	oklab(72.26% -0.1182 -0.0193)
OKLCH	oklch(72.26% 0.12 189.3)
XYZ	xyz(27.1613, 40.0512, 50.0062)
Luminance	0.4006 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BDB5 #BD2129

analogous

#21BD67 #21BDB5 #2177BD

triadic

#21BDB5 #B521BD #BDB521

tetradic

#21BDB5 #6721BD #BD2129 #77BD21

square

#21BDB5 #6721BD #BD2129 #77BD21

split-complementary

#21BDB5 #BD2177 #BD6721

monochromatic

#0F5551 #188983 #21BDB5 #3EDDD5 #72E6E0

Accessibility & contrast

On white

2.33

#21BDB5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.01

#21BDB5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BDB5

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BDB5	#FFFFFF	#000000	##000000
##21BDB5	1.00	2.33	9.01	9.01
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.01	21.00	1.00	1.00
##000000	9.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2B2B5

Deuteranopia (green-blind)

#9DA3B6

Tritanopia (blue-blind)

#00C2BA

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #21bdb5;
/* rgb */ color: rgb(33, 189, 181);
/* oklch */ color: oklch(72.3% 0.120 189.3);

Tailwind

colors: {
  custom: {
    50: '#7cd1cb',
    500: '#21bdb5',
    950: '#000000',
  },
}

SCSS

$custom: #21bdb5;
$custom-light: #7cd1cb;
$custom-dark: #000000;

JSON

{
  "hex": "#21bdb5",
  "rgb": {
    "r": 33,
    "g": 189,
    "b": 181
  },
  "hsl": {
    "h": 176.923,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.72264,
    "c": 0.11973,
    "h": 189.3
  },
  "luminance": 0.40055
}

Semantic roles & 50–950 ramp

primary

#21BDB5

secondary

#CD6D72

accent

#3B44ED

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0B1413

muted

#7C8282

Preview Lab

Preview with #21BDB5

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

Preview Lab → · Contrast checker → · Palette generator →