#21798F#21798F

#21798F is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 53.6% C 0.086 H 218.6°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#21798F
RGB	rgb(33, 121, 143)
HSL	hsl(192, 63%, 35%)
HSV	hsv(192, 77%, 56%)
CMYK	cmyk(76.9%, 15.4%, 0%, 43.9%)
CIE-LAB	lab(46.95, -17.60, -19.27)
CIE-LCH	lch(46.95, 26.10, 227.60°)
OKLab	oklab(53.56% -0.0674 -0.0538)
OKLCH	oklch(53.56% 0.086 218.6)
XYZ	xyz(12.4204, 15.9798, 28.4111)
Luminance	0.1598 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21798F #8F3721

analogous

#218F6E #21798F #21428F

triadic

#21798F #8F2179 #798F21

tetradic

#21798F #6E218F #8F3721 #428F21

square

#21798F #6E218F #8F3721 #428F21

split-complementary

#21798F #8F2142 #8F6E21

monochromatic

#0A252C #164F5D #21798F #2CA3C1 #53BDD7

Accessibility & contrast

On white

5.00

#21798F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#21798F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21798F

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21798F	#FFFFFF	#000000	##FFFFFF
##21798F	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7590

Deuteranopia (green-blind)

#5C6B8F

Tritanopia (blue-blind)

#008080

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #21798f;
/* rgb */ color: rgb(33, 121, 143);
/* oklch */ color: oklch(53.6% 0.086 218.6);

Tailwind

colors: {
  custom: {
    50: '#6ea0af',
    500: '#21798f',
    950: '#000000',
  },
}

SCSS

$custom: #21798f;
$custom-light: #6ea0af;
$custom-dark: #000000;

JSON

{
  "hex": "#21798f",
  "rgb": {
    "r": 33,
    "g": 121,
    "b": 143
  },
  "hsl": {
    "h": 192,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.53557,
    "c": 0.08624,
    "h": 218.6
  },
  "luminance": 0.15981
}

Semantic roles & 50–950 ramp

primary

#21798F

secondary

#BB6651

accent

#6342E6

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #21798F

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

Preview Lab → · Contrast checker → · Palette generator →