#2B3886#2B3886

#2B3886 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.8% C 0.131 H 271.5°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#2B3886
RGB	rgb(43, 56, 134)
HSL	hsl(231, 51%, 35%)
HSV	hsv(231, 68%, 53%)
CMYK	cmyk(67.9%, 58.2%, 0%, 47.5%)
CIE-LAB	lab(26.91, 21.70, -45.42)
CIE-LCH	lch(26.91, 50.34, 295.54°)
OKLab	oklab(37.83% 0.0035 -0.1307)
OKLCH	oklch(37.83% 0.131 271.5)
XYZ	xyz(6.7121, 5.0626, 23.1731)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3886 #86792B

analogous

#2B6586 #2B3886 #4C2B86

triadic

#2B3886 #862B38 #38862B

tetradic

#2B3886 #862B65 #86792B #2B864C

square

#2B3886 #862B65 #86792B #2B864C

split-complementary

#2B3886 #864C2B #65862B

monochromatic

#0D1129 #1C2558 #2B3886 #3A4BB4 #606FCC

Accessibility & contrast

On white

10.43

#2B3886 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2B3886 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3886

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3886	#FFFFFF	#000000	##FFFFFF
##2B3886	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004489

Deuteranopia (green-blind)

#003C84

Tritanopia (blue-blind)

#004B59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b3886;
/* rgb */ color: rgb(43, 56, 134);
/* oklch */ color: oklch(37.8% 0.131 271.5);

Tailwind

colors: {
  custom: {
    50: '#706eaa',
    500: '#2b3886',
    950: '#000000',
  },
}

SCSS

$custom: #2b3886;
$custom-light: #706eaa;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3886",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 134
  },
  "hsl": {
    "h": 231.429,
    "s": 51.412,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37832,
    "c": 0.13073,
    "h": 271.5
  },
  "luminance": 0.05063
}

Semantic roles & 50–950 ramp

primary

#2B3886

secondary

#B2A55B

accent

#C74DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3886

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

Preview Lab → · Contrast checker → · Palette generator →