#21799F#21799F

#21799F is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.3% C 0.099 H 231.9°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#21799F
RGB	rgb(33, 121, 159)
HSL	hsl(198, 66%, 38%)
HSV	hsv(198, 79%, 62%)
CMYK	cmyk(79.2%, 23.9%, 0%, 37.6%)
CIE-LAB	lab(47.62, -11.95, -27.64)
CIE-LCH	lch(47.62, 30.11, 246.62°)
OKLab	oklab(54.32% -0.0611 -0.0778)
OKLCH	oklch(54.32% 0.099 231.9)
XYZ	xyz(13.7200, 16.4996, 35.2558)
Luminance	0.1650 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21799F #9F4721

analogous

#219F86 #21799F #213A9F

triadic

#21799F #9F2179 #799F21

tetradic

#21799F #86219F #9F4721 #3A9F21

square

#21799F #86219F #9F4721 #3A9F21

split-complementary

#21799F #9F213A #9F8621

monochromatic

#0C2C3A #16526C #21799F #2CA0D2 #5DB7DD

Accessibility & contrast

On white

4.88

#21799F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#21799F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21799F

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21799F	#FFFFFF	#000000	##FFFFFF
##21799F	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6678A1

Deuteranopia (green-blind)

#556C9E

Tritanopia (blue-blind)

#008386

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #21799f;
/* rgb */ color: rgb(33, 121, 159);
/* oklch */ color: oklch(54.3% 0.099 231.9);

Tailwind

colors: {
  custom: {
    50: '#719fbb',
    500: '#21799f',
    950: '#000000',
  },
}

SCSS

$custom: #21799f;
$custom-light: #719fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#21799f",
  "rgb": {
    "r": 33,
    "g": 121,
    "b": 159
  },
  "hsl": {
    "h": 198.095,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.54321,
    "c": 0.09896,
    "h": 231.9
  },
  "luminance": 0.16501
}

Semantic roles & 50–950 ramp

primary

#21799F

secondary

#C2795A

accent

#723FE9

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #21799F

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

Preview Lab → · Contrast checker → · Palette generator →