#221788#221788

#221788 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.0% C 0.173 H 274.7°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#221788
RGB	rgb(34, 23, 136)
HSL	hsl(246, 71%, 31%)
HSV	hsv(246, 83%, 53%)
CMYK	cmyk(75%, 83.1%, 0%, 46.7%)
CIE-LAB	lab(18.93, 41.76, -59.80)
CIE-LCH	lch(18.93, 72.94, 304.93°)
OKLab	oklab(31.96% 0.0141 -0.1729)
OKLCH	oklch(31.96% 0.173 274.7)
XYZ	xyz(5.4085, 2.7299, 23.5297)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#221788 #7D8817

analogous

#174488 #221788 #5A1788

triadic

#221788 #882217 #178822

tetradic

#221788 #881744 #7D8817 #17885A

square

#221788 #881744 #7D8817 #17885A

split-complementary

#221788 #885A17 #448817

monochromatic

#08051F #150E54 #221788 #2F20BC #4B3BDE

Accessibility & contrast

On white

13.58

#221788 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#221788 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #221788

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##221788	#FFFFFF	#000000	##FFFFFF
##221788	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338B

Deuteranopia (green-blind)

#002986

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #221788;
/* rgb */ color: rgb(34, 23, 136);
/* oklch */ color: oklch(32.0% 0.173 274.7);

Tailwind

colors: {
  custom: {
    50: '#7058ac',
    500: '#221788',
    950: '#000000',
  },
}

SCSS

$custom: #221788;
$custom-light: #7058ac;
$custom-dark: #000000;

JSON

{
  "hex": "#221788",
  "rgb": {
    "r": 34,
    "g": 23,
    "b": 136
  },
  "hsl": {
    "h": 245.841,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3196,
    "c": 0.17349,
    "h": 274.7
  },
  "luminance": 0.0273
}

Semantic roles & 50–950 ramp

primary

#221788

secondary

#B0BC3F

accent

#EE3ADC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #221788

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

Preview Lab → · Contrast checker → · Palette generator →