#21756B#21756B

#21756B is a mid, moderate teal. Relative luminance 0.141; OKLCH L 51.1% C 0.080 H 183.6°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#21756B
RGB	rgb(33, 117, 107)
HSL	hsl(173, 56%, 29%)
HSV	hsv(173, 72%, 46%)
CMYK	cmyk(71.8%, 0%, 8.5%, 54.1%)
CIE-LAB	lab(44.38, -27.10, -1.70)
CIE-LCH	lch(44.38, 27.15, 183.58°)
OKLab	oklab(51.07% -0.0796 -0.005)
OKLCH	oklch(51.07% 0.08 183.6)
XYZ	xyz(9.6411, 14.1063, 16.1218)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21756B #75212B

analogous

#217541 #21756B #215575

triadic

#21756B #6B2175 #756B21

tetradic

#21756B #412175 #75212B #557521

square

#21756B #412175 #75212B #557521

split-complementary

#21756B #752155 #754121

monochromatic

#071816 #14453F #21756B #2EA597 #46CBBB

Accessibility & contrast

On white

5.50

#21756B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#21756B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21756B

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21756B	#FFFFFF	#000000	##FFFFFF
##21756B	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)

#6F6E6B

Deuteranopia (green-blind)

#63656C

Tritanopia (blue-blind)

#007772

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #21756b;
/* rgb */ color: rgb(33, 117, 107);
/* oklch */ color: oklch(51.1% 0.080 183.6);

Tailwind

colors: {
  custom: {
    50: '#6a9d95',
    500: '#21756b',
    950: '#000000',
  },
}

SCSS

$custom: #21756b;
$custom-light: #6a9d95;
$custom-dark: #000000;

JSON

{
  "hex": "#21756b",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 107
  },
  "hsl": {
    "h": 172.857,
    "s": 56,
    "l": 29.412
  },
  "oklch": {
    "l": 0.51066,
    "c": 0.07973,
    "h": 183.6
  },
  "luminance": 0.14107
}

Semantic roles & 50–950 ramp

primary

#21756B

secondary

#A84A55

accent

#495ADF

background

#F6F9F9

surface

#ECF2F1

border

#C7CCCB

text

#070E0D

muted

#7A7E7E

Preview Lab

Preview with #21756B

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

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