#21B288#21B288

#21B288 is a light, vivid teal. Relative luminance 0.339; OKLCH L 68.1% C 0.132 H 167.4°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#21B288
RGB	rgb(33, 178, 136)
HSL	hsl(163, 69%, 41%)
HSV	hsv(163, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 23.6%, 30.2%)
CIE-LAB	lab(64.91, -46.55, 11.22)
CIE-LCH	lch(64.91, 47.88, 166.44°)
OKLab	oklab(68.12% -0.1287 0.0287)
OKLCH	oklch(68.12% 0.132 167.4)
XYZ	xyz(20.9890, 33.9391, 28.7325)
Luminance	0.3394 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B288 #B2214B

analogous

#21B240 #21B288 #2194B2

triadic

#21B288 #8821B2 #B28821

tetradic

#21B288 #4021B2 #B2214B #94B221

square

#21B288 #4021B2 #B2214B #94B221

split-complementary

#21B288 #B22194 #B24021

monochromatic

#0E4B39 #177E61 #21B288 #36DAAA #6AE3C0

Accessibility & contrast

On white

2.70

#21B288 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.79

#21B288 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B288

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B288	#FFFFFF	#000000	##000000
##21B288	1.00	2.70	7.79	7.79
#FFFFFF	2.70	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)

#ADA586

Deuteranopia (green-blind)

#9C988B

Tritanopia (blue-blind)

#00B3A6

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #21b288;
/* rgb */ color: rgb(33, 178, 136);
/* oklch */ color: oklch(68.1% 0.132 167.4);

Tailwind

colors: {
  custom: {
    50: '#77caaa',
    500: '#21b288',
    950: '#000000',
  },
}

SCSS

$custom: #21b288;
$custom-light: #77caaa;
$custom-dark: #000000;

JSON

{
  "hex": "#21b288",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 136
  },
  "hsl": {
    "h": 162.621,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.68118,
    "c": 0.13182,
    "h": 167.4
  },
  "luminance": 0.33942
}

Semantic roles & 50–950 ramp

primary

#21B288

secondary

#C96682

accent

#3C6FEC

background

#F7FCFA

surface

#EEF8F4

border

#C9D1CE

text

#0A1310

muted

#7C827F

Preview Lab

Preview with #21B288

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

Preview Lab → · Contrast checker → · Palette generator →