#221AAA#221AAA

#221AAA is a dark, highly saturated blue. Relative luminance 0.040; OKLCH L 36.4% C 0.211 H 271.2°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#221AAA
RGB	rgb(34, 26, 170)
HSL	hsl(243, 73%, 38%)
HSV	hsv(243, 85%, 67%)
CMYK	cmyk(80%, 84.7%, 0%, 33.3%)
CIE-LAB	lab(23.61, 50.96, -72.96)
CIE-LCH	lch(23.61, 88.99, 304.93°)
OKLab	oklab(36.4% 0.0043 -0.2111)
OKLCH	oklch(36.4% 0.211 271.2)
XYZ	xyz(8.2823, 3.9802, 38.3542)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#221AAA #A2AA1A

analogous

#1A5AAA #221AAA #6A1AAA

triadic

#221AAA #AA221A #1AAA22

tetradic

#221AAA #AA1A5A #A2AA1A #1AAA6A

square

#221AAA #AA1A5A #A2AA1A #1AAA6A

split-complementary

#221AAA #AA6A1A #5AAA1A

monochromatic

#0D0A40 #171275 #221AAA #2E24DD #6159E6

Accessibility & contrast

On white

11.69

#221AAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#221AAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #221AAA

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##221AAA	#FFFFFF	#000000	##FFFFFF
##221AAA	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FAE

Deuteranopia (green-blind)

#0031A8

Tritanopia (blue-blind)

#004A65

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #221aaa;
/* rgb */ color: rgb(34, 26, 170);
/* oklch */ color: oklch(36.4% 0.211 271.2);

Tailwind

colors: {
  custom: {
    50: '#785cc5',
    500: '#221aaa',
    950: '#000000',
  },
}

SCSS

$custom: #221aaa;
$custom-light: #785cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#221aaa",
  "rgb": {
    "r": 34,
    "g": 26,
    "b": 170
  },
  "hsl": {
    "h": 243.333,
    "s": 73.469,
    "l": 38.431
  },
  "oklch": {
    "l": 0.364,
    "c": 0.21114,
    "h": 271.2
  },
  "luminance": 0.03981
}

Semantic roles & 50–950 ramp

primary

#221AAA

secondary

#C3C957

accent

#F038E6

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0413

muted

#7C7982

Preview Lab

Preview with #221AAA

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

Preview Lab → · Contrast checker → · Palette generator →