#21828C#21828C

#21828C is a mid, moderate teal. Relative luminance 0.182; OKLCH L 55.8% C 0.086 H 205.3°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#21828C
RGB	rgb(33, 130, 140)
HSL	hsl(186, 62%, 34%)
HSV	hsv(186, 76%, 55%)
CMYK	cmyk(76.4%, 7.1%, 0%, 45.1%)
CIE-LAB	lab(49.71, -23.40, -13.29)
CIE-LCH	lch(49.71, 26.91, 209.60°)
OKLab	oklab(55.75% -0.078 -0.0369)
OKLCH	oklch(55.75% 0.086 205.3)
XYZ	xyz(13.3414, 18.1804, 27.6119)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21828C #8C2B21

analogous

#218C61 #21828C #214D8C

triadic

#21828C #8C2182 #828C21

tetradic

#21828C #61218C #8C2B21 #4D8C21

square

#21828C #61218C #8C2B21 #4D8C21

split-complementary

#21828C #8C214D #8C6121

monochromatic

#0A2629 #15545A #21828C #2DB0BE #51CAD6

Accessibility & contrast

On white

4.53

#21828C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#21828C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21828C

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21828C	#FFFFFF	#000000	##000000
##21828C	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#777C8D

Deuteranopia (green-blind)

#68728C

Tritanopia (blue-blind)

#008885

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #21828c;
/* rgb */ color: rgb(33, 130, 140);
/* oklch */ color: oklch(55.8% 0.086 205.3);

Tailwind

colors: {
  custom: {
    50: '#6fa6ad',
    500: '#21828c',
    950: '#000000',
  },
}

SCSS

$custom: #21828c;
$custom-light: #6fa6ad;
$custom-dark: #000000;

JSON

{
  "hex": "#21828c",
  "rgb": {
    "r": 33,
    "g": 130,
    "b": 140
  },
  "hsl": {
    "h": 185.607,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.5575,
    "c": 0.08631,
    "h": 205.3
  },
  "luminance": 0.18182
}

Semantic roles & 50–950 ramp

primary

#21828C

secondary

#B9594F

accent

#5243E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #21828C

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

Preview Lab → · Contrast checker → · Palette generator →