#221688#221688

#221688 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.8% C 0.174 H 274.8°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#221688
RGB	rgb(34, 22, 136)
HSL	hsl(246, 72%, 31%)
HSV	hsv(246, 84%, 53%)
CMYK	cmyk(75%, 83.8%, 0%, 46.7%)
CIE-LAB	lab(18.76, 42.25, -60.08)
CIE-LCH	lch(18.76, 73.45, 305.12°)
OKLab	oklab(31.85% 0.0145 -0.1737)
OKLCH	oklch(31.85% 0.174 274.8)
XYZ	xyz(5.3891, 2.6909, 23.5232)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#221688 #7C8816

analogous

#164388 #221688 #5B1688

triadic

#221688 #882216 #168822

tetradic

#221688 #881643 #7C8816 #16885B

square

#221688 #881643 #7C8816 #16885B

split-complementary

#221688 #885B16 #438816

monochromatic

#08051F #150D53 #221688 #2F1FBD #4B39DF

Accessibility & contrast

On white

13.65

#221688 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#221688 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #221688

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##221688	#FFFFFF	#000000	##FFFFFF
##221688	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338B

Deuteranopia (green-blind)

#002886

Tritanopia (blue-blind)

#003A50

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #221688;
/* rgb */ color: rgb(34, 22, 136);
/* oklch */ color: oklch(31.8% 0.174 274.8);

Tailwind

colors: {
  custom: {
    50: '#7057ac',
    500: '#221688',
    950: '#000000',
  },
}

SCSS

$custom: #221688;
$custom-light: #7057ac;
$custom-dark: #000000;

JSON

{
  "hex": "#221688",
  "rgb": {
    "r": 34,
    "g": 22,
    "b": 136
  },
  "hsl": {
    "h": 246.316,
    "s": 72.152,
    "l": 30.98
  },
  "oklch": {
    "l": 0.31845,
    "c": 0.17431,
    "h": 274.8
  },
  "luminance": 0.02691
}

Semantic roles & 50–950 ramp

primary

#221688

secondary

#AFBC3E

accent

#EF39DC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #221688

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

Preview Lab → · Contrast checker → · Palette generator →