#221681#221681

#221681 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.0% C 0.166 H 275.7°. Best body text is #FFFFFF at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#221681
RGB	rgb(34, 22, 129)
HSL	hsl(247, 71%, 30%)
HSV	hsv(247, 83%, 51%)
CMYK	cmyk(73.6%, 82.9%, 0%, 49.4%)
CIE-LAB	lab(17.91, 40.02, -57.06)
CIE-LCH	lch(17.91, 69.70, 305.04°)
OKLab	oklab(31.01% 0.0165 -0.165)
OKLCH	oklch(31.01% 0.166 275.7)
XYZ	xyz(4.9077, 2.4984, 20.9882)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#221681 #758116

analogous

#164081 #221681 #581681

triadic

#221681 #812216 #168122

tetradic

#221681 #811640 #758116 #168158

square

#221681 #811640 #758116 #168158

split-complementary

#221681 #815816 #408116

monochromatic

#07041A #140D4D #221681 #301FB5 #4835DD

Accessibility & contrast

On white

14.00

#221681 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#221681 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #221681

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##221681	#FFFFFF	#000000	##FFFFFF
##221681	1.00	14.00	1.50	14.00
#FFFFFF	14.00	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003084

Deuteranopia (green-blind)

#00277F

Tritanopia (blue-blind)

#00374C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #221681;
/* rgb */ color: rgb(34, 22, 129);
/* oklch */ color: oklch(31.0% 0.166 275.7);

Tailwind

colors: {
  custom: {
    50: '#6e57a7',
    500: '#221681',
    950: '#000000',
  },
}

SCSS

$custom: #221681;
$custom-light: #6e57a7;
$custom-dark: #000000;

JSON

{
  "hex": "#221681",
  "rgb": {
    "r": 34,
    "g": 22,
    "b": 129
  },
  "hsl": {
    "h": 246.729,
    "s": 70.861,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31009,
    "c": 0.16579,
    "h": 275.7
  },
  "luminance": 0.02499
}

Semantic roles & 50–950 ramp

primary

#221681

secondary

#A8B63D

accent

#EE3AD9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #221681

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

Preview Lab → · Contrast checker → · Palette generator →