#2B3386#2B3386

#2B3386 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.137 H 273.4°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#2B3386
RGB	rgb(43, 51, 134)
HSL	hsl(235, 51%, 35%)
HSV	hsv(235, 68%, 53%)
CMYK	cmyk(67.9%, 61.9%, 0%, 47.5%)
CIE-LAB	lab(25.57, 25.10, -47.61)
CIE-LCH	lch(25.57, 53.82, 297.80°)
OKLab	oklab(36.83% 0.0081 -0.1371)
OKLCH	oklch(36.83% 0.137 273.4)
XYZ	xyz(6.4817, 4.6019, 23.0963)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3386 #867E2B

analogous

#2B6186 #2B3386 #502B86

triadic

#2B3386 #862B33 #33862B

tetradic

#2B3386 #862B61 #867E2B #2B8650

square

#2B3386 #862B61 #867E2B #2B8650

split-complementary

#2B3386 #86502B #61862B

monochromatic

#0D1029 #1C2158 #2B3386 #3A45B4 #6069CC

Accessibility & contrast

On white

10.94

#2B3386 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2B3386 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3386

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3386	#FFFFFF	#000000	##FFFFFF
##2B3386	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004189

Deuteranopia (green-blind)

#003984

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b3386;
/* rgb */ color: rgb(43, 51, 134);
/* oklch */ color: oklch(36.8% 0.137 273.4);

Tailwind

colors: {
  custom: {
    50: '#706aaa',
    500: '#2b3386',
    950: '#000000',
  },
}

SCSS

$custom: #2b3386;
$custom-light: #706aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3386",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 134
  },
  "hsl": {
    "h": 234.725,
    "s": 51.412,
    "l": 34.706
  },
  "oklch": {
    "l": 0.36833,
    "c": 0.13739,
    "h": 273.4
  },
  "luminance": 0.04602
}

Semantic roles & 50–950 ramp

primary

#2B3386

secondary

#B2AA5B

accent

#CE4DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2B3386

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

Preview Lab → · Contrast checker → · Palette generator →