#21737A#21737A

#21737A is a mid, moderate teal. Relative luminance 0.140; OKLCH L 51.1% C 0.076 H 203.4°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#21737A
RGB	rgb(33, 115, 122)
HSL	hsl(185, 57%, 30%)
HSV	hsv(185, 73%, 48%)
CMYK	cmyk(73%, 5.7%, 0%, 52.2%)
CIE-LAB	lab(44.22, -21.41, -10.93)
CIE-LCH	lch(44.22, 24.04, 207.05°)
OKLab	oklab(51.09% -0.0702 -0.0303)
OKLCH	oklch(51.09% 0.076 203.4)
XYZ	xyz(10.2692, 13.9887, 20.5675)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21737A #7A2821

analogous

#217A54 #21737A #21467A

triadic

#21737A #7A2173 #737A21

tetradic

#21737A #54217A #7A2821 #467A21

square

#21737A #54217A #7A2821 #467A21

split-complementary

#21737A #7A2146 #7A5421

monochromatic

#07181A #14464A #21737A #2EA0AA #48C3CD

Accessibility & contrast

On white

5.53

#21737A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#21737A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21737A

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21737A	#FFFFFF	#000000	##FFFFFF
##21737A	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6E7B

Deuteranopia (green-blind)

#5D647A

Tritanopia (blue-blind)

#007875

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #21737a;
/* rgb */ color: rgb(33, 115, 122);
/* oklch */ color: oklch(51.1% 0.076 203.4);

Tailwind

colors: {
  custom: {
    50: '#6b9ba0',
    500: '#21737a',
    950: '#000000',
  },
}

SCSS

$custom: #21737a;
$custom-light: #6b9ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#21737a",
  "rgb": {
    "r": 33,
    "g": 115,
    "b": 122
  },
  "hsl": {
    "h": 184.719,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.51092,
    "c": 0.07645,
    "h": 203.4
  },
  "luminance": 0.1399
}

Semantic roles & 50–950 ramp

primary

#21737A

secondary

#AD524A

accent

#5347E1

background

#F6F9F9

surface

#ECF2F2

border

#C7CCCC

text

#070E0E

muted

#7A7E7E

Preview Lab

Preview with #21737A

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

Preview Lab → · Contrast checker → · Palette generator →