#21817E#21817E

#21817E is a mid, moderate teal. Relative luminance 0.175; OKLCH L 54.9% C 0.085 H 191.8°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#21817E
RGB	rgb(33, 129, 126)
HSL	hsl(178, 59%, 32%)
HSV	hsv(178, 74%, 51%)
CMYK	cmyk(74.4%, 0%, 2.3%, 49.4%)
CIE-LAB	lab(48.92, -27.32, -6.26)
CIE-LCH	lch(48.92, 28.03, 192.91°)
OKLab	oklab(54.95% -0.0834 -0.0175)
OKLCH	oklch(54.95% 0.085 191.8)
XYZ	xyz(12.2416, 17.5287, 22.4728)
Luminance	0.1753 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21817E #812124

analogous

#21814E #21817E #215481

triadic

#21817E #7E2181 #817E21

tetradic

#21817E #4E2181 #812124 #548121

square

#21817E #4E2181 #812124 #548121

split-complementary

#21817E #812154 #814E21

monochromatic

#08201F #15504E #21817E #2DB2AE #4BD1CD

Accessibility & contrast

On white

4.66

#21817E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#21817E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #21817E

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21817E	#FFFFFF	#000000	##FFFFFF
##21817E	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#797A7E

Deuteranopia (green-blind)

#6B707F

Tritanopia (blue-blind)

#008580

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #21817e;
/* rgb */ color: rgb(33, 129, 126);
/* oklch */ color: oklch(54.9% 0.085 191.8);

Tailwind

colors: {
  custom: {
    50: '#6da6a3',
    500: '#21817e',
    950: '#000000',
  },
}

SCSS

$custom: #21817e;
$custom-light: #6da6a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21817e",
  "rgb": {
    "r": 33,
    "g": 129,
    "b": 126
  },
  "hsl": {
    "h": 178.125,
    "s": 59.259,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54949,
    "c": 0.08521,
    "h": 191.8
  },
  "luminance": 0.1753
}

Semantic roles & 50–950 ramp

primary

#21817E

secondary

#B44A4E

accent

#454AE2

background

#F7FAFA

surface

#EDF4F3

border

#C8CECD

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #21817E

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

Preview Lab → · Contrast checker → · Palette generator →