#21859A#21859A

#21859A is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.1% C 0.092 H 215.6°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#21859A
RGB	rgb(33, 133, 154)
HSL	hsl(190, 65%, 37%)
HSV	hsv(190, 79%, 60%)
CMYK	cmyk(78.6%, 13.6%, 0%, 39.6%)
CIE-LAB	lab(51.19, -20.33, -19.22)
CIE-LCH	lch(51.19, 27.98, 223.40°)
OKLab	oklab(57.11% -0.075 -0.0537)
OKLCH	oklch(57.11% 0.092 215.6)
XYZ	xyz(14.8450, 19.4297, 33.5335)
Luminance	0.1943 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21859A #9A3621

analogous

#219A73 #21859A #21499A

triadic

#21859A #9A2185 #859A21

tetradic

#21859A #73219A #9A3621 #499A21

square

#21859A #73219A #9A3621 #499A21

split-complementary

#21859A #9A2149 #9A7321

monochromatic

#0B2E35 #165968 #21859A #2CB1CC #5AC5DC

Accessibility & contrast

On white

4.30

#21859A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#21859A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21859A

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21859A	#FFFFFF	#000000	##000000
##21859A	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77819B

Deuteranopia (green-blind)

#66759A

Tritanopia (blue-blind)

#008D8C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #21859a;
/* rgb */ color: rgb(33, 133, 154);
/* oklch */ color: oklch(57.1% 0.092 215.6);

Tailwind

colors: {
  custom: {
    50: '#71a8b7',
    500: '#21859a',
    950: '#000000',
  },
}

SCSS

$custom: #21859a;
$custom-light: #71a8b7;
$custom-dark: #000000;

JSON

{
  "hex": "#21859a",
  "rgb": {
    "r": 33,
    "g": 133,
    "b": 154
  },
  "hsl": {
    "h": 190.413,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.57109,
    "c": 0.09224,
    "h": 215.6
  },
  "luminance": 0.19431
}

Semantic roles & 50–950 ramp

primary

#21859A

secondary

#C06957

accent

#5D40E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #21859A

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

Preview Lab → · Contrast checker → · Palette generator →