#221578#221578

#221578 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.8% C 0.156 H 277.2°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#221578
RGB	rgb(34, 21, 120)
HSL	hsl(248, 70%, 28%)
HSV	hsv(248, 83%, 47%)
CMYK	cmyk(71.7%, 82.5%, 0%, 52.9%)
CIE-LAB	lab(16.66, 37.61, -53.39)
CIE-LCH	lch(16.66, 65.31, 305.17°)
OKLab	oklab(29.83% 0.0195 -0.1543)
OKLCH	oklch(29.83% 0.156 277.2)
XYZ	xyz(4.3169, 2.2321, 17.9690)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#221578 #6B7815

analogous

#153978 #221578 #541578

triadic

#221578 #782215 #157822

tetradic

#221578 #781539 #6B7815 #157854

square

#221578 #781539 #6B7815 #157854

split-complementary

#221578 #785415 #397815

monochromatic

#07051A #130C44 #221578 #311EAC #442DDA

Accessibility & contrast

On white

14.52

#221578 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#221578 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #221578

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##221578	#FFFFFF	#000000	##FFFFFF
##221578	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7B

Deuteranopia (green-blind)

#002576

Tritanopia (blue-blind)

#003347

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #221578;
/* rgb */ color: rgb(34, 21, 120);
/* oklch */ color: oklch(29.8% 0.156 277.2);

Tailwind

colors: {
  custom: {
    50: '#6c55a0',
    500: '#221578',
    950: '#000000',
  },
}

SCSS

$custom: #221578;
$custom-light: #6c55a0;
$custom-dark: #000000;

JSON

{
  "hex": "#221578",
  "rgb": {
    "r": 34,
    "g": 21,
    "b": 120
  },
  "hsl": {
    "h": 247.879,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.29826,
    "c": 0.15551,
    "h": 277.2
  },
  "luminance": 0.02232
}

Semantic roles & 50–950 ramp

primary

#221578

secondary

#9FAE3B

accent

#ED3BD6

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08030F

muted

#7B787F

Preview Lab

Preview with #221578

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

Preview Lab → · Contrast checker → · Palette generator →