#21B374#21B374

#21B374 is a light, vivid teal. Relative luminance 0.338; OKLCH L 67.9% C 0.150 H 158.3°. Best body text is #000000 at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#21B374
RGB	rgb(33, 179, 116)
HSL	hsl(154, 69%, 42%)
HSV	hsv(154, 82%, 70%)
CMYK	cmyk(81.6%, 0%, 35.2%, 29.8%)
CIE-LAB	lab(64.82, -51.48, 21.99)
CIE-LCH	lch(64.82, 55.98, 156.87°)
OKLab	oklab(67.91% -0.1393 0.0554)
OKLCH	oklch(67.91% 0.15 158.3)
XYZ	xyz(19.8976, 33.8220, 21.9992)
Luminance	0.3382 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B374 #B32160

analogous

#21B32B #21B374 #21A9B3

triadic

#21B374 #7421B3 #B37421

tetradic

#21B374 #2B21B3 #B32160 #A9B321

square

#21B374 #2B21B3 #B32160 #A9B321

split-complementary

#21B374 #B321A9 #B32B21

monochromatic

#0E4C31 #177F53 #21B374 #37DA94 #6BE4AF

Accessibility & contrast

On white

2.70

#21B374 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.76

#21B374 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B374

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B374	#FFFFFF	#000000	##000000
##21B374	1.00	2.70	7.76	7.76
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.76	21.00	1.00	1.00
##000000	7.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A470

Deuteranopia (green-blind)

#A09878

Tritanopia (blue-blind)

#00B2A3

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #21b374;
/* rgb */ color: rgb(33, 179, 116);
/* oklch */ color: oklch(67.9% 0.150 158.3);

Tailwind

colors: {
  custom: {
    50: '#76cb9c',
    500: '#21b374',
    950: '#000000',
  },
}

SCSS

$custom: #21b374;
$custom-light: #76cb9c;
$custom-dark: #000000;

JSON

{
  "hex": "#21b374",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 116
  },
  "hsl": {
    "h": 154.11,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.67906,
    "c": 0.14987,
    "h": 158.3
  },
  "luminance": 0.33824
}

Semantic roles & 50–950 ramp

primary

#21B374

secondary

#CA6691

accent

#3C88EC

background

#F7FCF9

surface

#EEF9F2

border

#C9D2CC

text

#0A130E

muted

#7C827E

Preview Lab

Preview with #21B374

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

Preview Lab → · Contrast checker → · Palette generator →