#2B3884#2B3884

#2B3884 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.7% C 0.128 H 271.5°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#2B3884
RGB	rgb(43, 56, 132)
HSL	hsl(231, 51%, 34%)
HSV	hsv(231, 67%, 52%)
CMYK	cmyk(67.4%, 57.6%, 0%, 48.2%)
CIE-LAB	lab(26.76, 20.95, -44.43)
CIE-LCH	lch(26.76, 49.12, 295.25°)
OKLab	oklab(37.67% 0.0035 -0.1278)
OKLCH	oklch(37.67% 0.128 271.5)
XYZ	xyz(6.5739, 5.0073, 22.4454)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3884 #84772B

analogous

#2B6584 #2B3884 #4B2B84

triadic

#2B3884 #842B38 #38842B

tetradic

#2B3884 #842B65 #84772B #2B844B

square

#2B3884 #842B65 #84772B #2B844B

split-complementary

#2B3884 #844B2B #65842B

monochromatic

#0D1128 #1C2456 #2B3884 #3A4CB2 #5F6ECB

Accessibility & contrast

On white

10.49

#2B3884 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2B3884 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3884

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3884	#FFFFFF	#000000	##FFFFFF
##2B3884	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004387

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004A58

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b3884;
/* rgb */ color: rgb(43, 56, 132);
/* oklch */ color: oklch(37.7% 0.128 271.5);

Tailwind

colors: {
  custom: {
    50: '#6f6ea8',
    500: '#2b3884',
    950: '#000000',
  },
}

SCSS

$custom: #2b3884;
$custom-light: #6f6ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3884",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 132
  },
  "hsl": {
    "h": 231.236,
    "s": 50.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37665,
    "c": 0.12781,
    "h": 271.5
  },
  "luminance": 0.05008
}

Semantic roles & 50–950 ramp

primary

#2B3884

secondary

#B1A45A

accent

#C64DDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3884

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

Preview Lab → · Contrast checker → · Palette generator →