#21757F#21757F

#21757F is a mid, moderate teal. Relative luminance 0.146; OKLCH L 51.8% C 0.078 H 206.7°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#21757F
RGB	rgb(33, 117, 127)
HSL	hsl(186, 59%, 31%)
HSV	hsv(186, 74%, 50%)
CMYK	cmyk(74%, 7.9%, 0%, 50.2%)
CIE-LAB	lab(45.05, -20.84, -12.67)
CIE-LCH	lch(45.05, 24.38, 211.29°)
OKLab	oklab(51.82% -0.0701 -0.0352)
OKLCH	oklch(51.82% 0.078 206.7)
XYZ	xyz(10.8176, 14.5769, 22.3181)
Luminance	0.1458 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21757F #7F2B21

analogous

#217F5A #21757F #21467F

triadic

#21757F #7F2175 #757F21

tetradic

#21757F #5A217F #7F2B21 #467F21

square

#21757F #5A217F #7F2B21 #467F21

split-complementary

#21757F #7F2146 #7F5A21

monochromatic

#081B1E #14484E #21757F #2EA2B0 #4AC2D0

Accessibility & contrast

On white

5.36

#21757F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#21757F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21757F

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21757F	#FFFFFF	#000000	##FFFFFF
##21757F	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7080

Deuteranopia (green-blind)

#5D667F

Tritanopia (blue-blind)

#007A78

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #21757f;
/* rgb */ color: rgb(33, 117, 127);
/* oklch */ color: oklch(51.8% 0.078 206.7);

Tailwind

colors: {
  custom: {
    50: '#6c9da4',
    500: '#21757f',
    950: '#000000',
  },
}

SCSS

$custom: #21757f;
$custom-light: #6c9da4;
$custom-dark: #000000;

JSON

{
  "hex": "#21757f",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 127
  },
  "hsl": {
    "h": 186.383,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.51824,
    "c": 0.07841,
    "h": 206.7
  },
  "luminance": 0.14578
}

Semantic roles & 50–950 ramp

primary

#21757F

secondary

#B2554A

accent

#5646E2

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E0F

muted

#7A7E7F

Preview Lab

Preview with #21757F

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

Preview Lab → · Contrast checker → · Palette generator →