#21757A#21757A

#21757A is a mid, moderate teal. Relative luminance 0.145; OKLCH L 51.6% C 0.077 H 200.9°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#21757A
RGB	rgb(33, 117, 122)
HSL	hsl(183, 57%, 30%)
HSV	hsv(183, 73%, 48%)
CMYK	cmyk(73%, 4.1%, 0%, 52.2%)
CIE-LAB	lab(44.87, -22.46, -9.95)
CIE-LCH	lch(44.87, 24.57, 203.88°)
OKLab	oklab(51.62% -0.0723 -0.0276)
OKLCH	oklch(51.62% 0.077 200.9)
XYZ	xyz(10.4998, 14.4498, 20.6443)
Luminance	0.1445 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21757A #7A2621

analogous

#217A52 #21757A #21487A

triadic

#21757A #7A2175 #757A21

tetradic

#21757A #52217A #7A2621 #487A21

square

#21757A #52217A #7A2621 #487A21

split-complementary

#21757A #7A2148 #7A5221

monochromatic

#07191A #14474A #21757A #2EA3AA #48C6CD

Accessibility & contrast

On white

5.40

#21757A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#21757A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21757A

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21757A	#FFFFFF	#000000	##FFFFFF
##21757A	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C707A

Deuteranopia (green-blind)

#5F667A

Tritanopia (blue-blind)

#007A76

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #21757a;
/* rgb */ color: rgb(33, 117, 122);
/* oklch */ color: oklch(51.6% 0.077 200.9);

Tailwind

colors: {
  custom: {
    50: '#6b9da0',
    500: '#21757a',
    950: '#000000',
  },
}

SCSS

$custom: #21757a;
$custom-light: #6b9da0;
$custom-dark: #000000;

JSON

{
  "hex": "#21757a",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 122
  },
  "hsl": {
    "h": 183.371,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.51622,
    "c": 0.07744,
    "h": 200.9
  },
  "luminance": 0.14451
}

Semantic roles & 50–950 ramp

primary

#21757A

secondary

#AD4F4A

accent

#5047E1

background

#F6F9F9

surface

#ECF2F2

border

#C7CCCC

text

#070E0E

muted

#7A7E7E

Preview Lab

Preview with #21757A

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

Preview Lab → · Contrast checker → · Palette generator →