#21899F#21899F

#21899F is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.3% C 0.095 H 215.8°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#21899F
RGB	rgb(33, 137, 159)
HSL	hsl(190, 66%, 38%)
HSV	hsv(190, 79%, 62%)
CMYK	cmyk(79.2%, 13.8%, 0%, 37.6%)
CIE-LAB	lab(52.64, -20.76, -19.90)
CIE-LCH	lch(52.64, 28.76, 223.79°)
OKLab	oklab(58.34% -0.0769 -0.0556)
OKLCH	oklch(58.34% 0.095 215.8)
XYZ	xyz(15.8282, 20.7159, 35.9585)
Luminance	0.2072 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21899F #9F3721

analogous

#219F76 #21899F #214A9F

triadic

#21899F #9F2189 #899F21

tetradic

#21899F #76219F #9F3721 #4A9F21

square

#21899F #76219F #9F3721 #4A9F21

split-complementary

#21899F #9F214A #9F7621

monochromatic

#0C323A #165D6C #21899F #2CB5D2 #5DC7DD

Accessibility & contrast

On white

4.08

#21899F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#21899F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21899F

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21899F	#FFFFFF	#000000	##000000
##21899F	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A85A0

Deuteranopia (green-blind)

#69789F

Tritanopia (blue-blind)

#009190

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #21899f;
/* rgb */ color: rgb(33, 137, 159);
/* oklch */ color: oklch(58.3% 0.095 215.8);

Tailwind

colors: {
  custom: {
    50: '#72abbb',
    500: '#21899f',
    950: '#000000',
  },
}

SCSS

$custom: #21899f;
$custom-light: #72abbb;
$custom-dark: #000000;

JSON

{
  "hex": "#21899f",
  "rgb": {
    "r": 33,
    "g": 137,
    "b": 159
  },
  "hsl": {
    "h": 190.476,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.58342,
    "c": 0.09492,
    "h": 215.8
  },
  "luminance": 0.20718
}

Semantic roles & 50–950 ramp

primary

#21899F

secondary

#C26C5A

accent

#5D3FE9

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #21899F

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

Preview Lab → · Contrast checker → · Palette generator →