#221588#221588

#221588 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.175 H 274.8°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#221588
RGB	rgb(34, 21, 136)
HSL	hsl(247, 73%, 31%)
HSV	hsv(247, 85%, 53%)
CMYK	cmyk(75%, 84.6%, 0%, 46.7%)
CIE-LAB	lab(18.60, 42.73, -60.34)
CIE-LCH	lch(18.60, 73.94, 305.30°)
OKLab	oklab(31.73% 0.0148 -0.1745)
OKLCH	oklch(31.73% 0.175 274.8)
XYZ	xyz(5.3703, 2.6535, 23.5169)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#221588 #7B8815

analogous

#154188 #221588 #5B1588

triadic

#221588 #882215 #158822

tetradic

#221588 #881541 #7B8815 #15885B

square

#221588 #881541 #7B8815 #15885B

split-complementary

#221588 #885B15 #418815

monochromatic

#07051E #150D53 #221588 #2F1DBD #4A37E0

Accessibility & contrast

On white

13.72

#221588 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#221588 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #221588

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##221588	#FFFFFF	#000000	##FFFFFF
##221588	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328B

Deuteranopia (green-blind)

#002886

Tritanopia (blue-blind)

#003A50

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #221588;
/* rgb */ color: rgb(34, 21, 136);
/* oklch */ color: oklch(31.7% 0.175 274.8);

Tailwind

colors: {
  custom: {
    50: '#7057ac',
    500: '#221588',
    950: '#000000',
  },
}

SCSS

$custom: #221588;
$custom-light: #7057ac;
$custom-dark: #000000;

JSON

{
  "hex": "#221588",
  "rgb": {
    "r": 34,
    "g": 21,
    "b": 136
  },
  "hsl": {
    "h": 246.783,
    "s": 73.248,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31733,
    "c": 0.1751,
    "h": 274.8
  },
  "luminance": 0.02654
}

Semantic roles & 50–950 ramp

primary

#221588

secondary

#AEBC3D

accent

#F038DB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #221588

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

Preview Lab → · Contrast checker → · Palette generator →