#221571#221571

#221571 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.0% C 0.147 H 278.4°. Best body text is #FFFFFF at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#221571
RGB	rgb(34, 21, 113)
HSL	hsl(248, 69%, 26%)
HSV	hsv(248, 81%, 44%)
CMYK	cmyk(69.9%, 81.4%, 0%, 55.7%)
CIE-LAB	lab(15.84, 35.32, -50.23)
CIE-LCH	lch(15.84, 61.40, 305.11°)
OKLab	oklab(29.01% 0.0216 -0.1451)
OKLCH	oklch(29.01% 0.147 278.4)
XYZ	xyz(3.9075, 2.0683, 15.8129)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#221571 #647115

analogous

#153671 #221571 #501571

triadic

#221571 #712215 #157122

tetradic

#221571 #711536 #647115 #157150

square

#221571 #711536 #647115 #157150

split-complementary

#221571 #715015 #367115

monochromatic

#08051A #120B3D #221571 #321FA5 #4229D7

Accessibility & contrast

On white

14.85

#221571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#221571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #221571

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##221571	#FFFFFF	#000000	##FFFFFF
##221571	1.00	14.85	1.41	14.85
#FFFFFF	14.85	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B74

Deuteranopia (green-blind)

#00246F

Tritanopia (blue-blind)

#003043

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #221571;
/* rgb */ color: rgb(34, 21, 113);
/* oklch */ color: oklch(29.0% 0.147 278.4);

Tailwind

colors: {
  custom: {
    50: '#6a559b',
    500: '#221571',
    950: '#000000',
  },
}

SCSS

$custom: #221571;
$custom-light: #6a559b;
$custom-dark: #000000;

JSON

{
  "hex": "#221571",
  "rgb": {
    "r": 34,
    "g": 21,
    "b": 113
  },
  "hsl": {
    "h": 248.478,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.29013,
    "c": 0.14667,
    "h": 278.4
  },
  "luminance": 0.02069
}

Semantic roles & 50–950 ramp

primary

#221571

secondary

#98A73B

accent

#EB3CD3

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #221571

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

Preview Lab → · Contrast checker → · Palette generator →