#21818C#21818C

#21818C is a mid, moderate teal. Relative luminance 0.179; OKLCH L 55.5% C 0.086 H 206.5°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#21818C
RGB	rgb(33, 129, 140)
HSL	hsl(186, 62%, 34%)
HSV	hsv(186, 76%, 55%)
CMYK	cmyk(76.4%, 7.9%, 0%, 45.1%)
CIE-LAB	lab(49.39, -22.88, -13.78)
CIE-LCH	lch(49.39, 26.71, 211.05°)
OKLab	oklab(55.49% -0.0769 -0.0383)
OKLCH	oklch(55.49% 0.086 206.5)
XYZ	xyz(13.2090, 17.9157, 27.5678)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21818C #8C2C21

analogous

#218C62 #21818C #214C8C

triadic

#21818C #8C2181 #818C21

tetradic

#21818C #62218C #8C2C21 #4C8C21

square

#21818C #62218C #8C2C21 #4C8C21

split-complementary

#21818C #8C214C #8C6221

monochromatic

#0A2629 #15535A #21818C #2DAFBE #51C8D6

Accessibility & contrast

On white

4.58

#21818C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#21818C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21818C

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21818C	#FFFFFF	#000000	##000000
##21818C	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#767C8D

Deuteranopia (green-blind)

#67718C

Tritanopia (blue-blind)

#008784

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #21818c;
/* rgb */ color: rgb(33, 129, 140);
/* oklch */ color: oklch(55.5% 0.086 206.5);

Tailwind

colors: {
  custom: {
    50: '#6fa6ad',
    500: '#21818c',
    950: '#000000',
  },
}

SCSS

$custom: #21818c;
$custom-light: #6fa6ad;
$custom-dark: #000000;

JSON

{
  "hex": "#21818c",
  "rgb": {
    "r": 33,
    "g": 129,
    "b": 140
  },
  "hsl": {
    "h": 186.168,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.55491,
    "c": 0.08596,
    "h": 206.5
  },
  "luminance": 0.17917
}

Semantic roles & 50–950 ramp

primary

#21818C

secondary

#B95A4F

accent

#5443E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #21818C

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

Preview Lab → · Contrast checker → · Palette generator →