#21817D#21817D

#21817D is a mid, moderate teal. Relative luminance 0.175; OKLCH L 54.9% C 0.085 H 190.8°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#21817D
RGB	rgb(33, 129, 125)
HSL	hsl(178, 59%, 32%)
HSV	hsv(178, 74%, 51%)
CMYK	cmyk(74.4%, 0%, 3.1%, 49.4%)
CIE-LAB	lab(48.89, -27.63, -5.72)
CIE-LCH	lch(48.89, 28.21, 191.70°)
OKLab	oklab(54.91% -0.0839 -0.016)
OKLCH	oklch(54.91% 0.085 190.8)
XYZ	xyz(12.1774, 17.5031, 22.1347)
Luminance	0.1751 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21817D #812125

analogous

#21814D #21817D #215581

triadic

#21817D #7D2181 #817D21

tetradic

#21817D #4D2181 #812125 #558121

square

#21817D #4D2181 #812125 #558121

split-complementary

#21817D #812155 #814D21

monochromatic

#08201F #15504E #21817D #2DB2AC #4BD1CB

Accessibility & contrast

On white

4.67

#21817D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#21817D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #21817D

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21817D	#FFFFFF	#000000	##FFFFFF
##21817D	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#797A7D

Deuteranopia (green-blind)

#6B707E

Tritanopia (blue-blind)

#008580

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #21817d;
/* rgb */ color: rgb(33, 129, 125);
/* oklch */ color: oklch(54.9% 0.085 190.8);

Tailwind

colors: {
  custom: {
    50: '#6da6a2',
    500: '#21817d',
    950: '#000000',
  },
}

SCSS

$custom: #21817d;
$custom-light: #6da6a2;
$custom-dark: #000000;

JSON

{
  "hex": "#21817d",
  "rgb": {
    "r": 33,
    "g": 129,
    "b": 125
  },
  "hsl": {
    "h": 177.5,
    "s": 59.259,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54913,
    "c": 0.08539,
    "h": 190.8
  },
  "luminance": 0.17505
}

Semantic roles & 50–950 ramp

primary

#21817D

secondary

#B44A4F

accent

#454CE2

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#080F0F

muted

#7B7F7E

Preview Lab

Preview with #21817D

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

Preview Lab → · Contrast checker → · Palette generator →