#21828F#21828F

#21828F is a mid, moderate teal. Relative luminance 0.183; OKLCH L 55.9% C 0.087 H 208.4°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#21828F
RGB	rgb(33, 130, 143)
HSL	hsl(187, 63%, 35%)
HSV	hsv(187, 77%, 56%)
CMYK	cmyk(76.9%, 9.1%, 0%, 43.9%)
CIE-LAB	lab(49.82, -22.42, -14.89)
CIE-LCH	lch(49.82, 26.91, 213.59°)
OKLab	oklab(55.87% -0.0767 -0.0414)
OKLCH	oklch(55.87% 0.087 208.4)
XYZ	xyz(13.5656, 18.2701, 28.7928)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21828F #8F2E21

analogous

#218F65 #21828F #214B8F

triadic

#21828F #8F2182 #828F21

tetradic

#21828F #65218F #8F2E21 #4B8F21

square

#21828F #65218F #8F2E21 #4B8F21

split-complementary

#21828F #8F214B #8F6521

monochromatic

#0A282C #16555D #21828F #2CAFC1 #53C8D7

Accessibility & contrast

On white

4.51

#21828F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#21828F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21828F

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21828F	#FFFFFF	#000000	##000000
##21828F	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#767D90

Deuteranopia (green-blind)

#67728F

Tritanopia (blue-blind)

#008886

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #21828f;
/* rgb */ color: rgb(33, 130, 143);
/* oklch */ color: oklch(55.9% 0.087 208.4);

Tailwind

colors: {
  custom: {
    50: '#6fa6af',
    500: '#21828f',
    950: '#000000',
  },
}

SCSS

$custom: #21828f;
$custom-light: #6fa6af;
$custom-dark: #000000;

JSON

{
  "hex": "#21828f",
  "rgb": {
    "r": 33,
    "g": 130,
    "b": 143
  },
  "hsl": {
    "h": 187.091,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.55873,
    "c": 0.08714,
    "h": 208.4
  },
  "luminance": 0.18272
}

Semantic roles & 50–950 ramp

primary

#21828F

secondary

#BB5D51

accent

#5642E6

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #21828F

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

Preview Lab → · Contrast checker → · Palette generator →