#21737E#21737E

#21737E is a mid, moderate teal. Relative luminance 0.141; OKLCH L 51.3% C 0.077 H 208.1°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#21737E
RGB	rgb(33, 115, 126)
HSL	hsl(187, 58%, 31%)
HSV	hsv(187, 74%, 49%)
CMYK	cmyk(73.8%, 8.7%, 0%, 50.6%)
CIE-LAB	lab(44.36, -20.10, -13.11)
CIE-LCH	lch(44.36, 23.99, 213.12°)
OKLab	oklab(51.26% -0.0684 -0.0364)
OKLCH	oklch(51.26% 0.077 208.1)
XYZ	xyz(10.5222, 14.0899, 21.8997)
Luminance	0.1409 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21737E #7E2C21

analogous

#217E5A #21737E #21447E

triadic

#21737E #7E2173 #737E21

tetradic

#21737E #5A217E #7E2C21 #447E21

square

#21737E #5A217E #7E2C21 #447E21

split-complementary

#21737E #7E2144 #7E5A21

monochromatic

#081A1D #14474E #21737E #2E9FAE #4AC0D0

Accessibility & contrast

On white

5.50

#21737E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#21737E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21737E

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21737E	#FFFFFF	#000000	##FFFFFF
##21737E	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696E7F

Deuteranopia (green-blind)

#5B657E

Tritanopia (blue-blind)

#007876

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #21737e;
/* rgb */ color: rgb(33, 115, 126);
/* oklch */ color: oklch(51.3% 0.077 208.1);

Tailwind

colors: {
  custom: {
    50: '#6b9ba3',
    500: '#21737e',
    950: '#000000',
  },
}

SCSS

$custom: #21737e;
$custom-light: #6b9ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#21737e",
  "rgb": {
    "r": 33,
    "g": 115,
    "b": 126
  },
  "hsl": {
    "h": 187.097,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.51257,
    "c": 0.07747,
    "h": 208.1
  },
  "luminance": 0.14091
}

Semantic roles & 50–950 ramp

primary

#21737E

secondary

#B1564A

accent

#5946E2

background

#F6F9FA

surface

#ECF2F3

border

#C7CCCD

text

#080E0F

muted

#7A7E7F

Preview Lab

Preview with #21737E

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

Preview Lab → · Contrast checker → · Palette generator →