#21636C#21636C

#21636C is a mid, moderate teal. Relative luminance 0.103; OKLCH L 46.2% C 0.066 H 207.9°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#21636C
RGB	rgb(33, 99, 108)
HSL	hsl(187, 53%, 28%)
HSV	hsv(187, 69%, 42%)
CMYK	cmyk(69.4%, 8.3%, 0%, 57.6%)
CIE-LAB	lab(38.43, -17.36, -11.19)
CIE-LCH	lch(38.43, 20.66, 212.79°)
OKLab	oklab(46.25% -0.0587 -0.031)
OKLCH	oklch(46.25% 0.066 207.9)
XYZ	xyz(7.7947, 10.3289, 15.7673)
Luminance	0.1033 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21636C #6C2A21

analogous

#216C4F #21636C #213D6C

triadic

#21636C #6C2163 #636C21

tetradic

#21636C #4F216C #6C2A21 #3D6C21

square

#21636C #4F216C #6C2A21 #3D6C21

split-complementary

#21636C #6C213D #6C4F21

monochromatic

#071517 #13383D #21636C #2F8E9B #42B6C5

Accessibility & contrast

On white

6.85

#21636C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#21636C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21636C

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21636C	#FFFFFF	#000000	##FFFFFF
##21636C	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5F6D

Deuteranopia (green-blind)

#4F576C

Tritanopia (blue-blind)

#006866

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #21636c;
/* rgb */ color: rgb(33, 99, 108);
/* oklch */ color: oklch(46.2% 0.066 207.9);

Tailwind

colors: {
  custom: {
    50: '#678f96',
    500: '#21636c',
    950: '#000000',
  },
}

SCSS

$custom: #21636c;
$custom-light: #678f96;
$custom-dark: #000000;

JSON

{
  "hex": "#21636c",
  "rgb": {
    "r": 33,
    "g": 99,
    "b": 108
  },
  "hsl": {
    "h": 187.2,
    "s": 53.191,
    "l": 27.647
  },
  "oklch": {
    "l": 0.46248,
    "c": 0.06642,
    "h": 207.9
  },
  "luminance": 0.1033
}

Semantic roles & 50–950 ramp

primary

#21636C

secondary

#A05349

accent

#5D4BDD

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#070C0D

muted

#7A7D7E

Preview Lab

Preview with #21636C

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

Preview Lab → · Contrast checker → · Palette generator →