#21737F#21737F

#21737F is a mid, moderate teal. Relative luminance 0.141; OKLCH L 51.3% C 0.078 H 209.2°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#21737F
RGB	rgb(33, 115, 127)
HSL	hsl(188, 59%, 31%)
HSV	hsv(188, 74%, 50%)
CMYK	cmyk(74%, 9.4%, 0%, 50.2%)
CIE-LAB	lab(44.40, -19.77, -13.65)
CIE-LCH	lch(44.40, 24.02, 214.63°)
OKLab	oklab(51.3% -0.0679 -0.038)
OKLCH	oklch(51.3% 0.078 209.2)
XYZ	xyz(10.5870, 14.1159, 22.2412)
Luminance	0.1412 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21737F #7F2D21

analogous

#217F5C #21737F #21447F

triadic

#21737F #7F2173 #737F21

tetradic

#21737F #5C217F #7F2D21 #447F21

square

#21737F #5C217F #7F2D21 #447F21

split-complementary

#21737F #7F2144 #7F5C21

monochromatic

#081B1E #14474E #21737F #2E9FB0 #4ABFD0

Accessibility & contrast

On white

5.49

#21737F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#21737F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21737F

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21737F	#FFFFFF	#000000	##FFFFFF
##21737F	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#686F80

Deuteranopia (green-blind)

#5B657F

Tritanopia (blue-blind)

#007977

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #21737f;
/* rgb */ color: rgb(33, 115, 127);
/* oklch */ color: oklch(51.3% 0.078 209.2);

Tailwind

colors: {
  custom: {
    50: '#6b9ba4',
    500: '#21737f',
    950: '#000000',
  },
}

SCSS

$custom: #21737f;
$custom-light: #6b9ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#21737f",
  "rgb": {
    "r": 33,
    "g": 115,
    "b": 127
  },
  "hsl": {
    "h": 187.66,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.51299,
    "c": 0.0778,
    "h": 209.2
  },
  "luminance": 0.14117
}

Semantic roles & 50–950 ramp

primary

#21737F

secondary

#B2574A

accent

#5A46E2

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E0F

muted

#7A7E7F

Preview Lab

Preview with #21737F

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

Preview Lab → · Contrast checker → · Palette generator →