#21978F#21978F

#21978F is a mid, moderate teal. Relative luminance 0.244; OKLCH L 61.3% C 0.099 H 187.9°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#21978F
RGB	rgb(33, 151, 143)
HSL	hsl(176, 64%, 36%)
HSV	hsv(176, 78%, 59%)
CMYK	cmyk(78.1%, 0%, 5.3%, 40.8%)
CIE-LAB	lab(56.52, -32.84, -4.84)
CIE-LCH	lch(56.52, 33.19, 188.39°)
OKLab	oklab(61.31% -0.0983 -0.0136)
OKLCH	oklch(61.31% 0.099 187.9)
XYZ	xyz(16.6494, 24.4377, 29.8207)
Luminance	0.2444 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21978F #972129

analogous

#219754 #21978F #216497

triadic

#21978F #8F2197 #978F21

tetradic

#21978F #542197 #972129 #649721

square

#21978F #542197 #972129 #649721

split-complementary

#21978F #972164 #975421

monochromatic

#0B3330 #16655F #21978F #2CC9BF #58DAD2

Accessibility & contrast

On white

3.57

#21978F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#21978F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21978F

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21978F	#FFFFFF	#000000	##000000
##21978F	1.00	3.57	5.89	5.89
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8E8F

Deuteranopia (green-blind)

#7E8390

Tritanopia (blue-blind)

#009B94

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #21978f;
/* rgb */ color: rgb(33, 151, 143);
/* oklch */ color: oklch(61.3% 0.099 187.9);

Tailwind

colors: {
  custom: {
    50: '#72b6af',
    500: '#21978f',
    950: '#000000',
  },
}

SCSS

$custom: #21978f;
$custom-light: #72b6af;
$custom-dark: #000000;

JSON

{
  "hex": "#21978f",
  "rgb": {
    "r": 33,
    "g": 151,
    "b": 143
  },
  "hsl": {
    "h": 175.932,
    "s": 64.13,
    "l": 36.078
  },
  "oklch": {
    "l": 0.6131,
    "c": 0.0992,
    "h": 187.9
  },
  "luminance": 0.2444
}

Semantic roles & 50–950 ramp

primary

#21978F

secondary

#BE555C

accent

#414CE7

background

#F7FBFA

surface

#EDF6F4

border

#C8D0CE

text

#091110

muted

#7B807F

Preview Lab

Preview with #21978F

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

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