#21828A#21828A

#21828A is a mid, moderate teal. Relative luminance 0.181; OKLCH L 55.7% C 0.086 H 203.3°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#21828A
RGB	rgb(33, 130, 138)
HSL	hsl(185, 61%, 34%)
HSV	hsv(185, 76%, 54%)
CMYK	cmyk(76.1%, 5.8%, 0%, 45.9%)
CIE-LAB	lab(49.64, -24.05, -12.23)
CIE-LCH	lch(49.64, 26.98, 206.95°)
OKLab	oklab(55.67% -0.0789 -0.034)
OKLCH	oklch(55.67% 0.086 203.3)
XYZ	xyz(13.1952, 18.1220, 26.8423)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21828A #8A2921

analogous

#218A5D #21828A #214D8A

triadic

#21828A #8A2182 #828A21

tetradic

#21828A #5D218A #8A2921 #4D8A21

square

#21828A #5D218A #8A2921 #4D8A21

split-complementary

#21828A #8A214D #8A5D21

monochromatic

#092527 #155359 #21828A #2DB1BB #50CBD5

Accessibility & contrast

On white

4.54

#21828A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#21828A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21828A

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21828A	#FFFFFF	#000000	##000000
##21828A	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#777C8B

Deuteranopia (green-blind)

#68718A

Tritanopia (blue-blind)

#008784

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #21828a;
/* rgb */ color: rgb(33, 130, 138);
/* oklch */ color: oklch(55.7% 0.086 203.3);

Tailwind

colors: {
  custom: {
    50: '#6fa6ac',
    500: '#21828a',
    950: '#000000',
  },
}

SCSS

$custom: #21828a;
$custom-light: #6fa6ac;
$custom-dark: #000000;

JSON

{
  "hex": "#21828a",
  "rgb": {
    "r": 33,
    "g": 130,
    "b": 138
  },
  "hsl": {
    "h": 184.571,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.55669,
    "c": 0.08589,
    "h": 203.3
  },
  "luminance": 0.18124
}

Semantic roles & 50–950 ramp

primary

#21828A

secondary

#B9564E

accent

#5043E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #21828A

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

Preview Lab → · Contrast checker → · Palette generator →