#2B2171#2B2171

#2B2171 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.6% C 0.131 H 281.5°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#2B2171
RGB	rgb(43, 33, 113)
HSL	hsl(248, 55%, 29%)
HSV	hsv(248, 71%, 44%)
CMYK	cmyk(61.9%, 70.8%, 0%, 55.7%)
CIE-LAB	lab(19.20, 29.44, -44.68)
CIE-LCH	lch(19.20, 53.51, 303.38°)
OKLab	oklab(31.6% 0.0261 -0.1287)
OKLCH	oklch(31.6% 0.131 281.5)
XYZ	xyz(4.5198, 2.7932, 15.9206)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2171 #677121

analogous

#213F71 #2B2171 #532171

triadic

#2B2171 #712B21 #21712B

tetradic

#2B2171 #71213F #677121 #217153

square

#2B2171 #71213F #677121 #217153

split-complementary

#2B2171 #715321 #3F7121

monochromatic

#090718 #191342 #2B2171 #3D2FA0 #5544C8

Accessibility & contrast

On white

13.47

#2B2171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#2B2171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2171

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2171	#FFFFFF	#000000	##FFFFFF
##2B2171	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003173

Deuteranopia (green-blind)

#002C6F

Tritanopia (blue-blind)

#003646

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #2b2171;
/* rgb */ color: rgb(43, 33, 113);
/* oklch */ color: oklch(31.6% 0.131 281.5);

Tailwind

colors: {
  custom: {
    50: '#6d5d9b',
    500: '#2b2171',
    950: '#000000',
  },
}

SCSS

$custom: #2b2171;
$custom-light: #6d5d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2171",
  "rgb": {
    "r": 43,
    "g": 33,
    "b": 113
  },
  "hsl": {
    "h": 247.5,
    "s": 54.795,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31596,
    "c": 0.13128,
    "h": 281.5
  },
  "luminance": 0.02794
}

Semantic roles & 50–950 ramp

primary

#2B2171

secondary

#99A549

accent

#DE4ACC

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08040E

muted

#7A797E

Preview Lab

Preview with #2B2171

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

Preview Lab → · Contrast checker → · Palette generator →