#2B2771#2B2771

#2B2771 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.7% C 0.123 H 279.5°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#2B2771
RGB	rgb(43, 39, 113)
HSL	hsl(243, 49%, 30%)
HSV	hsv(243, 65%, 44%)
CMYK	cmyk(61.9%, 65.5%, 0%, 55.7%)
CIE-LAB	lab(20.66, 25.52, -42.29)
CIE-LCH	lch(20.66, 49.40, 301.11°)
OKLab	oklab(32.66% 0.0204 -0.1216)
OKLCH	oklch(32.66% 0.123 279.5)
XYZ	xyz(4.7015, 3.1566, 15.9811)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2771 #6D7127

analogous

#274871 #2B2771 #502771

triadic

#2B2771 #712B27 #27712B

tetradic

#2B2771 #712748 #6D7127 #277150

square

#2B2771 #712748 #6D7127 #277150

split-complementary

#2B2771 #715027 #487127

monochromatic

#090817 #1A1744 #2B2771 #3C379E #5650C3

Accessibility & contrast

On white

12.87

#2B2771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#2B2771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2771

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2771	#FFFFFF	#000000	##FFFFFF
##2B2771	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003573

Deuteranopia (green-blind)

#002F70

Tritanopia (blue-blind)

#003948

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2b2771;
/* rgb */ color: rgb(43, 39, 113);
/* oklch */ color: oklch(32.7% 0.123 279.5);

Tailwind

colors: {
  custom: {
    50: '#6d619a',
    500: '#2b2771',
    950: '#000000',
  },
}

SCSS

$custom: #2b2771;
$custom-light: #6d619a;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2771",
  "rgb": {
    "r": 43,
    "g": 39,
    "b": 113
  },
  "hsl": {
    "h": 243.243,
    "s": 48.684,
    "l": 29.804
  },
  "oklch": {
    "l": 0.32659,
    "c": 0.12332,
    "h": 279.5
  },
  "luminance": 0.03157
}

Semantic roles & 50–950 ramp

primary

#2B2771

secondary

#9FA350

accent

#D850D1

background

#F6F5F9

surface

#ECEAF2

border

#C7C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #2B2771

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

Preview Lab → · Contrast checker → · Palette generator →