#21687D#21687D

#21687D is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.3% C 0.076 H 221.5°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#21687D
RGB	rgb(33, 104, 125)
HSL	hsl(194, 58%, 31%)
HSV	hsv(194, 74%, 49%)
CMYK	cmyk(73.6%, 16.8%, 0%, 51%)
CIE-LAB	lab(40.74, -14.36, -18.03)
CIE-LCH	lch(40.74, 23.05, 231.47°)
OKLab	oklab(48.33% -0.0568 -0.0504)
OKLCH	oklch(48.33% 0.076 221.5)
XYZ	xyz(9.2777, 11.7036, 21.1681)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21687D #7D3621

analogous

#217D64 #21687D #213A7D

triadic

#21687D #7D2168 #687D21

tetradic

#21687D #64217D #7D3621 #3A7D21

square

#21687D #64217D #7D3621 #3A7D21

split-complementary

#21687D #7D213A #7D6421

monochromatic

#07171C #14404D #21687D #2E90AD #49B1CF

Accessibility & contrast

On white

6.29

#21687D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#21687D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21687D

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21687D	#FFFFFF	#000000	##FFFFFF
##21687D	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C657E

Deuteranopia (green-blind)

#4F5C7D

Tritanopia (blue-blind)

#006F6F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #21687d;
/* rgb */ color: rgb(33, 104, 125);
/* oklch */ color: oklch(48.3% 0.076 221.5);

Tailwind

colors: {
  custom: {
    50: '#6a93a2',
    500: '#21687d',
    950: '#000000',
  },
}

SCSS

$custom: #21687d;
$custom-light: #6a93a2;
$custom-dark: #000000;

JSON

{
  "hex": "#21687d",
  "rgb": {
    "r": 33,
    "g": 104,
    "b": 125
  },
  "hsl": {
    "h": 193.696,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.48331,
    "c": 0.07596,
    "h": 221.5
  },
  "luminance": 0.11705
}

Semantic roles & 50–950 ramp

primary

#21687D

secondary

#B0614A

accent

#6A46E1

background

#F6F9FA

surface

#ECF1F3

border

#C7CBCD

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #21687D

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

Preview Lab → · Contrast checker → · Palette generator →