#21636B#21636B

#21636B is a mid, moderate teal. Relative luminance 0.103; OKLCH L 46.2% C 0.066 H 206.5°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#21636B
RGB	rgb(33, 99, 107)
HSL	hsl(186, 53%, 27%)
HSV	hsv(186, 69%, 42%)
CMYK	cmyk(69.2%, 7.5%, 0%, 58%)
CIE-LAB	lab(38.39, -17.70, -10.63)
CIE-LCH	lch(38.39, 20.64, 210.99°)
OKLab	oklab(46.21% -0.0592 -0.0295)
OKLCH	oklch(46.21% 0.066 206.5)
XYZ	xyz(7.7418, 10.3077, 15.4886)
Luminance	0.1031 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21636B #6B2921

analogous

#216B4E #21636B #213E6B

triadic

#21636B #6B2163 #636B21

tetradic

#21636B #4E216B #6B2921 #3E6B21

square

#21636B #4E216B #6B2921 #3E6B21

split-complementary

#21636B #6B213E #6B4E21

monochromatic

#071617 #13383C #21636B #2F8E9A #42B6C5

Accessibility & contrast

On white

6.86

#21636B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#21636B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21636B

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21636B	#FFFFFF	#000000	##FFFFFF
##21636B	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5F6C

Deuteranopia (green-blind)

#50576B

Tritanopia (blue-blind)

#006765

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #21636b;
/* rgb */ color: rgb(33, 99, 107);
/* oklch */ color: oklch(46.2% 0.066 206.5);

Tailwind

colors: {
  custom: {
    50: '#678f95',
    500: '#21636b',
    950: '#000000',
  },
}

SCSS

$custom: #21636b;
$custom-light: #678f95;
$custom-dark: #000000;

JSON

{
  "hex": "#21636b",
  "rgb": {
    "r": 33,
    "g": 99,
    "b": 107
  },
  "hsl": {
    "h": 186.486,
    "s": 52.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.46205,
    "c": 0.06612,
    "h": 206.5
  },
  "luminance": 0.10309
}

Semantic roles & 50–950 ramp

primary

#21636B

secondary

#9F5249

accent

#5B4CDC

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#070C0D

muted

#7A7D7E

Preview Lab

Preview with #21636B

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

Preview Lab → · Contrast checker → · Palette generator →