#21B289#21B289

#21B289 is a light, vivid teal. Relative luminance 0.340; OKLCH L 68.1% C 0.131 H 168.0°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#21B289
RGB	rgb(33, 178, 137)
HSL	hsl(163, 69%, 41%)
HSV	hsv(163, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 23%, 30.2%)
CIE-LAB	lab(64.94, -46.30, 10.71)
CIE-LCH	lch(64.94, 47.53, 166.98°)
OKLab	oklab(68.14% -0.1282 0.0274)
OKLCH	oklch(68.14% 0.131 168)
XYZ	xyz(21.0604, 33.9676, 29.1085)
Luminance	0.3397 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B289 #B2214A

analogous

#21B240 #21B289 #2193B2

triadic

#21B289 #8921B2 #B28921

tetradic

#21B289 #4021B2 #B2214A #93B221

square

#21B289 #4021B2 #B2214A #93B221

split-complementary

#21B289 #B22193 #B24021

monochromatic

#0E4B3A #177E61 #21B289 #36DAAC #6AE3C1

Accessibility & contrast

On white

2.69

#21B289 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.79

#21B289 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B289

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B289	#FFFFFF	#000000	##000000
##21B289	1.00	2.69	7.79	7.79
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.79	21.00	1.00	1.00
##000000	7.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADA587

Deuteranopia (green-blind)

#9C988C

Tritanopia (blue-blind)

#00B3A7

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #21b289;
/* rgb */ color: rgb(33, 178, 137);
/* oklch */ color: oklch(68.1% 0.131 168.0);

Tailwind

colors: {
  custom: {
    50: '#77caab',
    500: '#21b289',
    950: '#000000',
  },
}

SCSS

$custom: #21b289;
$custom-light: #77caab;
$custom-dark: #000000;

JSON

{
  "hex": "#21b289",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 137
  },
  "hsl": {
    "h": 163.034,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.68144,
    "c": 0.13107,
    "h": 168
  },
  "luminance": 0.3397
}

Semantic roles & 50–950 ramp

primary

#21B289

secondary

#C96682

accent

#3C6EEC

background

#F7FCFA

surface

#EEF8F4

border

#C9D1CE

text

#0A1310

muted

#7C827F

Preview Lab

Preview with #21B289

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

Preview Lab → · Contrast checker → · Palette generator →