#21636E#21636E

#21636E is a mid, moderate teal. Relative luminance 0.104; OKLCH L 46.3% C 0.067 H 210.6°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#21636E
RGB	rgb(33, 99, 110)
HSL	hsl(189, 54%, 28%)
HSV	hsv(189, 70%, 43%)
CMYK	cmyk(70%, 10%, 0%, 56.9%)
CIE-LAB	lab(38.50, -16.69, -12.30)
CIE-LCH	lch(38.50, 20.74, 216.38°)
OKLab	oklab(46.33% -0.0578 -0.0342)
OKLCH	oklch(46.33% 0.067 210.6)
XYZ	xyz(7.9023, 10.3719, 16.3343)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21636E #6E2C21

analogous

#216E52 #21636E #213D6E

triadic

#21636E #6E2163 #636E21

tetradic

#21636E #52216E #6E2C21 #3D6E21

square

#21636E #52216E #6E2C21 #3D6E21

split-complementary

#21636E #6E213D #6E5221

monochromatic

#071518 #13393F #21636E #2F8D9D #43B4C7

Accessibility & contrast

On white

6.83

#21636E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#21636E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21636E

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21636E	#FFFFFF	#000000	##FFFFFF
##21636E	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5F6F

Deuteranopia (green-blind)

#4F576E

Tritanopia (blue-blind)

#006866

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #21636e;
/* rgb */ color: rgb(33, 99, 110);
/* oklch */ color: oklch(46.3% 0.067 210.6);

Tailwind

colors: {
  custom: {
    50: '#678f97',
    500: '#21636e',
    950: '#000000',
  },
}

SCSS

$custom: #21636e;
$custom-light: #678f97;
$custom-dark: #000000;

JSON

{
  "hex": "#21636e",
  "rgb": {
    "r": 33,
    "g": 99,
    "b": 110
  },
  "hsl": {
    "h": 188.571,
    "s": 53.846,
    "l": 28.039
  },
  "oklch": {
    "l": 0.46334,
    "c": 0.06715,
    "h": 210.6
  },
  "luminance": 0.10373
}

Semantic roles & 50–950 ramp

primary

#21636E

secondary

#A25649

accent

#604BDD

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0D

muted

#7A7D7E

Preview Lab

Preview with #21636E

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

Preview Lab → · Contrast checker → · Palette generator →