#21757E#21757E

#21757E is a mid, moderate teal. Relative luminance 0.146; OKLCH L 51.8% C 0.078 H 205.5°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#21757E
RGB	rgb(33, 117, 126)
HSL	hsl(186, 58%, 31%)
HSV	hsv(186, 74%, 49%)
CMYK	cmyk(73.8%, 7.1%, 0%, 50.6%)
CIE-LAB	lab(45.01, -21.16, -12.12)
CIE-LCH	lch(45.01, 24.39, 209.80°)
OKLab	oklab(51.78% -0.0705 -0.0337)
OKLCH	oklch(51.78% 0.078 205.5)
XYZ	xyz(10.7527, 14.5510, 21.9765)
Luminance	0.1455 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21757E #7E2A21

analogous

#217E58 #21757E #21467E

triadic

#21757E #7E2175 #757E21

tetradic

#21757E #58217E #7E2A21 #467E21

square

#21757E #58217E #7E2A21 #467E21

split-complementary

#21757E #7E2146 #7E5821

monochromatic

#081B1D #14484E #21757E #2EA2AE #4AC3D0

Accessibility & contrast

On white

5.37

#21757E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#21757E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21757E

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21757E	#FFFFFF	#000000	##FFFFFF
##21757E	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B707F

Deuteranopia (green-blind)

#5E667E

Tritanopia (blue-blind)

#007A78

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #21757e;
/* rgb */ color: rgb(33, 117, 126);
/* oklch */ color: oklch(51.8% 0.078 205.5);

Tailwind

colors: {
  custom: {
    50: '#6c9da3',
    500: '#21757e',
    950: '#000000',
  },
}

SCSS

$custom: #21757e;
$custom-light: #6c9da3;
$custom-dark: #000000;

JSON

{
  "hex": "#21757e",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 126
  },
  "hsl": {
    "h": 185.806,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.51783,
    "c": 0.07815,
    "h": 205.5
  },
  "luminance": 0.14552
}

Semantic roles & 50–950 ramp

primary

#21757E

secondary

#B1544A

accent

#5546E2

background

#F6F9FA

surface

#ECF2F3

border

#C7CCCD

text

#080E0F

muted

#7A7E7F

Preview Lab

Preview with #21757E

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

Preview Lab → · Contrast checker → · Palette generator →