#21679D#21679D

#21679D is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.8% C 0.110 H 246.2°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#21679D
RGB	rgb(33, 103, 157)
HSL	hsl(206, 65%, 37%)
HSV	hsv(206, 79%, 62%)
CMYK	cmyk(79%, 34.4%, 0%, 38.4%)
CIE-LAB	lab(41.93, -1.98, -35.38)
CIE-LCH	lch(41.93, 35.44, 266.80°)
OKLab	oklab(49.78% -0.0444 -0.1006)
OKLCH	oklch(49.78% 0.11 246.2)
XYZ	xyz(11.5609, 12.4568, 33.6868)
Luminance	0.1246 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21679D #9D5721

analogous

#219D95 #21679D #21299D

triadic

#21679D #9D2167 #679D21

tetradic

#21679D #95219D #9D5721 #299D21

square

#21679D #95219D #9D5721 #299D21

split-complementary

#21679D #9D2129 #9D9521

monochromatic

#0C2538 #16466A #21679D #2C88D0 #5CA5DD

Accessibility & contrast

On white

6.01

#21679D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#21679D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21679D

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21679D	#FFFFFF	#000000	##FFFFFF
##21679D	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E699F

Deuteranopia (green-blind)

#3C5E9C

Tritanopia (blue-blind)

#00747A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #21679d;
/* rgb */ color: rgb(33, 103, 157);
/* oklch */ color: oklch(49.8% 0.110 246.2);

Tailwind

colors: {
  custom: {
    50: '#7092ba',
    500: '#21679d',
    950: '#000000',
  },
}

SCSS

$custom: #21679d;
$custom-light: #7092ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21679d",
  "rgb": {
    "r": 33,
    "g": 103,
    "b": 157
  },
  "hsl": {
    "h": 206.129,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.49775,
    "c": 0.10993,
    "h": 246.2
  },
  "luminance": 0.12458
}

Semantic roles & 50–950 ramp

primary

#21679D

secondary

#C18659

accent

#8940E8

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #21679D

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

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