#21899E#21899E

#21899E is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.3% C 0.094 H 215.0°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#21899E
RGB	rgb(33, 137, 158)
HSL	hsl(190, 65%, 37%)
HSV	hsv(190, 79%, 62%)
CMYK	cmyk(79.1%, 13.3%, 0%, 38%)
CIE-LAB	lab(52.60, -21.10, -19.38)
CIE-LCH	lch(52.60, 28.65, 222.57°)
OKLab	oklab(58.3% -0.0774 -0.0541)
OKLCH	oklch(58.3% 0.094 215)
XYZ	xyz(15.7418, 20.6813, 35.5034)
Luminance	0.2068 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21899E #9E3621

analogous

#219E75 #21899E #214B9E

triadic

#21899E #9E2189 #899E21

tetradic

#21899E #75219E #9E3621 #4B9E21

square

#21899E #75219E #9E3621 #4B9E21

split-complementary

#21899E #9E214B #9E7521

monochromatic

#0C3139 #165D6B #21899E #2CB5D1 #5CC7DD

Accessibility & contrast

On white

4.09

#21899E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#21899E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21899E

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21899E	#FFFFFF	#000000	##000000
##21899E	1.00	4.09	5.14	5.14
#FFFFFF	4.09	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)

#7A849F

Deuteranopia (green-blind)

#6A789E

Tritanopia (blue-blind)

#009190

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #21899e;
/* rgb */ color: rgb(33, 137, 158);
/* oklch */ color: oklch(58.3% 0.094 215.0);

Tailwind

colors: {
  custom: {
    50: '#72abba',
    500: '#21899e',
    950: '#000000',
  },
}

SCSS

$custom: #21899e;
$custom-light: #72abba;
$custom-dark: #000000;

JSON

{
  "hex": "#21899e",
  "rgb": {
    "r": 33,
    "g": 137,
    "b": 158
  },
  "hsl": {
    "h": 190.08,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.58298,
    "c": 0.09441,
    "h": 215
  },
  "luminance": 0.20683
}

Semantic roles & 50–950 ramp

primary

#21899E

secondary

#C16B59

accent

#5C3FE8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #21899E

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

Preview Lab → · Contrast checker → · Palette generator →