#21679C#21679C

#21679C is a mid, moderate cyan. Relative luminance 0.124; OKLCH L 49.7% C 0.109 H 245.7°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#21679C
RGB	rgb(33, 103, 156)
HSL	hsl(206, 65%, 37%)
HSV	hsv(206, 79%, 61%)
CMYK	cmyk(78.8%, 34%, 0%, 38.8%)
CIE-LAB	lab(41.88, -2.36, -34.87)
CIE-LCH	lch(41.88, 34.95, 266.13°)
OKLab	oklab(49.72% -0.0447 -0.0991)
OKLCH	oklch(49.72% 0.109 245.7)
XYZ	xyz(11.4759, 12.4228, 33.2391)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21679C #9C5621

analogous

#219C94 #21679C #21299C

triadic

#21679C #9C2167 #679C21

tetradic

#21679C #94219C #9C5621 #299C21

square

#21679C #94219C #9C5621 #299C21

split-complementary

#21679C #9C2129 #9C9421

monochromatic

#0C2437 #164669 #21679C #2C88CF #5BA5DC

Accessibility & contrast

On white

6.03

#21679C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#21679C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21679C

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21679C	#FFFFFF	#000000	##FFFFFF
##21679C	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E699E

Deuteranopia (green-blind)

#3D5E9B

Tritanopia (blue-blind)

#00747A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #21679c;
/* rgb */ color: rgb(33, 103, 156);
/* oklch */ color: oklch(49.7% 0.109 245.7);

Tailwind

colors: {
  custom: {
    50: '#6f92b9',
    500: '#21679c',
    950: '#000000',
  },
}

SCSS

$custom: #21679c;
$custom-light: #6f92b9;
$custom-dark: #000000;

JSON

{
  "hex": "#21679c",
  "rgb": {
    "r": 33,
    "g": 103,
    "b": 156
  },
  "hsl": {
    "h": 205.854,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.49716,
    "c": 0.10868,
    "h": 245.7
  },
  "luminance": 0.12424
}

Semantic roles & 50–950 ramp

primary

#21679C

secondary

#C18558

accent

#8840E8

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #21679C

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

Preview Lab → · Contrast checker → · Palette generator →