#21687A#21687A

#21687A is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.2% C 0.074 H 218.2°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#21687A
RGB	rgb(33, 104, 122)
HSL	hsl(192, 57%, 30%)
HSV	hsv(192, 73%, 48%)
CMYK	cmyk(73%, 14.8%, 0%, 52.2%)
CIE-LAB	lab(40.62, -15.40, -16.40)
CIE-LCH	lch(40.62, 22.50, 226.80°)
OKLab	oklab(48.19% -0.0581 -0.0457)
OKLCH	oklch(48.19% 0.074 218.2)
XYZ	xyz(9.0889, 11.6281, 20.1740)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21687A #7A3321

analogous

#217A5F #21687A #213B7A

triadic

#21687A #7A2168 #687A21

tetradic

#21687A #5F217A #7A3321 #3B7A21

square

#21687A #5F217A #7A3321 #3B7A21

split-complementary

#21687A #7A213B #7A5F21

monochromatic

#07161A #143F4A #21687A #2E91AA #48B2CD

Accessibility & contrast

On white

6.31

#21687A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#21687A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21687A

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21687A	#FFFFFF	#000000	##FFFFFF
##21687A	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C657B

Deuteranopia (green-blind)

#505C7A

Tritanopia (blue-blind)

#006E6E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #21687a;
/* rgb */ color: rgb(33, 104, 122);
/* oklch */ color: oklch(48.2% 0.074 218.2);

Tailwind

colors: {
  custom: {
    50: '#6a93a0',
    500: '#21687a',
    950: '#000000',
  },
}

SCSS

$custom: #21687a;
$custom-light: #6a93a0;
$custom-dark: #000000;

JSON

{
  "hex": "#21687a",
  "rgb": {
    "r": 33,
    "g": 104,
    "b": 122
  },
  "hsl": {
    "h": 192.135,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.48192,
    "c": 0.07396,
    "h": 218.2
  },
  "luminance": 0.11629
}

Semantic roles & 50–950 ramp

primary

#21687A

secondary

#AD5E4A

accent

#6647E1

background

#F6F9F9

surface

#ECF1F2

border

#C7CBCC

text

#070D0E

muted

#7A7E7E

Preview Lab

Preview with #21687A

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

Preview Lab → · Contrast checker → · Palette generator →