#21857A#21857A

#21857A is a mid, moderate teal. Relative luminance 0.185; OKLCH L 55.9% C 0.090 H 184.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#21857A
RGB	rgb(33, 133, 122)
HSL	hsl(173, 60%, 33%)
HSV	hsv(173, 75%, 52%)
CMYK	cmyk(75.2%, 0%, 8.3%, 47.8%)
CIE-LAB	lab(50.10, -30.47, -2.17)
CIE-LCH	lch(50.10, 30.54, 184.08°)
OKLab	oklab(55.87% -0.0896 -0.0064)
OKLCH	oklch(55.87% 0.09 184.1)
XYZ	xyz(12.5259, 18.5020, 21.3197)
Luminance	0.1850 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21857A #85212C

analogous

#218548 #21857A #215E85

triadic

#21857A #7A2185 #857A21

tetradic

#21857A #482185 #85212C #5E8521

square

#21857A #482185 #85212C #5E8521

split-complementary

#21857A #85215E #854821

monochromatic

#092320 #15544D #21857A #2DB6A7 #4DD3C4

Accessibility & contrast

On white

4.47

#21857A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#21857A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21857A

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21857A	#FFFFFF	#000000	##000000
##21857A	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E7D7A

Deuteranopia (green-blind)

#70737B

Tritanopia (blue-blind)

#008882

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #21857a;
/* rgb */ color: rgb(33, 133, 122);
/* oklch */ color: oklch(55.9% 0.090 184.1);

Tailwind

colors: {
  custom: {
    50: '#6da9a0',
    500: '#21857a',
    950: '#000000',
  },
}

SCSS

$custom: #21857a;
$custom-light: #6da9a0;
$custom-dark: #000000;

JSON

{
  "hex": "#21857a",
  "rgb": {
    "r": 33,
    "g": 133,
    "b": 122
  },
  "hsl": {
    "h": 173.4,
    "s": 60.241,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55869,
    "c": 0.08982,
    "h": 184.1
  },
  "luminance": 0.18504
}

Semantic roles & 50–950 ramp

primary

#21857A

secondary

#B64C57

accent

#4456E3

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#08100E

muted

#7B7F7E

Preview Lab

Preview with #21857A

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

Preview Lab → · Contrast checker → · Palette generator →