#21717D#21717D

#21717D is a mid, moderate teal. Relative luminance 0.136; OKLCH L 50.7% C 0.077 H 209.5°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#21717D
RGB	rgb(33, 113, 125)
HSL	hsl(188, 58%, 31%)
HSV	hsv(188, 74%, 49%)
CMYK	cmyk(73.6%, 9.6%, 0%, 51%)
CIE-LAB	lab(43.67, -19.35, -13.55)
CIE-LCH	lch(43.67, 23.63, 215.01°)
OKLab	oklab(50.69% -0.0666 -0.0377)
OKLCH	oklch(50.69% 0.077 209.5)
XYZ	xyz(10.2324, 13.6131, 21.4864)
Luminance	0.1361 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21717D #7D2D21

analogous

#217D5B #21717D #21437D

triadic

#21717D #7D2171 #717D21

tetradic

#21717D #5B217D #7D2D21 #437D21

square

#21717D #5B217D #7D2D21 #437D21

split-complementary

#21717D #7D2143 #7D5B21

monochromatic

#07191C #14454D #21717D #2E9DAD #49BECF

Accessibility & contrast

On white

5.64

#21717D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#21717D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21717D

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21717D	#FFFFFF	#000000	##FFFFFF
##21717D	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666D7E

Deuteranopia (green-blind)

#59637D

Tritanopia (blue-blind)

#007675

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #21717d;
/* rgb */ color: rgb(33, 113, 125);
/* oklch */ color: oklch(50.7% 0.077 209.5);

Tailwind

colors: {
  custom: {
    50: '#6b9aa2',
    500: '#21717d',
    950: '#000000',
  },
}

SCSS

$custom: #21717d;
$custom-light: #6b9aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#21717d",
  "rgb": {
    "r": 33,
    "g": 113,
    "b": 125
  },
  "hsl": {
    "h": 187.826,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.50689,
    "c": 0.07656,
    "h": 209.5
  },
  "luminance": 0.13614
}

Semantic roles & 50–950 ramp

primary

#21717D

secondary

#B0574A

accent

#5B46E1

background

#F6F9FA

surface

#ECF2F3

border

#C7CCCD

text

#070E0F

muted

#7A7E7F

Preview Lab

Preview with #21717D

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

Preview Lab → · Contrast checker → · Palette generator →