#21679B#21679B

#21679B is a mid, moderate cyan. Relative luminance 0.124; OKLCH L 49.7% C 0.107 H 245.3°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#21679B
RGB	rgb(33, 103, 155)
HSL	hsl(206, 65%, 37%)
HSV	hsv(206, 79%, 61%)
CMYK	cmyk(78.7%, 33.5%, 0%, 39.2%)
CIE-LAB	lab(41.83, -2.74, -34.36)
CIE-LCH	lch(41.83, 34.47, 265.44°)
OKLab	oklab(49.66% -0.045 -0.0976)
OKLCH	oklch(49.66% 0.107 245.3)
XYZ	xyz(11.3916, 12.3890, 32.7949)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21679B #9B5521

analogous

#219B92 #21679B #212A9B

triadic

#21679B #9B2167 #679B21

tetradic

#21679B #92219B #9B5521 #2A9B21

square

#21679B #92219B #9B5521 #2A9B21

split-complementary

#21679B #9B212A #9B9221

monochromatic

#0C2436 #164569 #21679B #2C89CD #5AA5DC

Accessibility & contrast

On white

6.04

#21679B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#21679B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21679B

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21679B	#FFFFFF	#000000	##FFFFFF
##21679B	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F699D

Deuteranopia (green-blind)

#3E5E9A

Tritanopia (blue-blind)

#00747A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #21679b;
/* rgb */ color: rgb(33, 103, 155);
/* oklch */ color: oklch(49.7% 0.107 245.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#21679b",
  "rgb": {
    "r": 33,
    "g": 103,
    "b": 155
  },
  "hsl": {
    "h": 205.574,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.49657,
    "c": 0.10745,
    "h": 245.3
  },
  "luminance": 0.1239
}

Semantic roles & 50–950 ramp

primary

#21679B

secondary

#C08458

accent

#8840E8

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080C11

muted

#7B7D80

Preview Lab

Preview with #21679B

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

Preview Lab → · Contrast checker → · Palette generator →