#2B3289#2B3289

#2B3289 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.143 H 273.5°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#2B3289
RGB	rgb(43, 50, 137)
HSL	hsl(236, 52%, 35%)
HSV	hsv(236, 69%, 54%)
CMYK	cmyk(68.6%, 63.5%, 0%, 46.3%)
CIE-LAB	lab(25.56, 26.88, -49.48)
CIE-LCH	lch(25.56, 56.31, 298.51°)
OKLab	oklab(36.91% 0.0089 -0.1427)
OKLCH	oklch(36.91% 0.143 273.5)
XYZ	xyz(6.6507, 4.6003, 24.1995)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3289 #89822B

analogous

#2B6189 #2B3289 #532B89

triadic

#2B3289 #892B32 #32892B

tetradic

#2B3289 #892B61 #89822B #2B8953

square

#2B3289 #892B61 #89822B #2B8953

split-complementary

#2B3289 #89532B #61892B

monochromatic

#0E102C #1C215A #2B3289 #3A43B8 #6169CD

Accessibility & contrast

On white

10.94

#2B3289 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2B3289 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3289

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3289	#FFFFFF	#000000	##FFFFFF
##2B3289	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)

#00418C

Deuteranopia (green-blind)

#003887

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b3289;
/* rgb */ color: rgb(43, 50, 137);
/* oklch */ color: oklch(36.9% 0.143 273.5);

Tailwind

colors: {
  custom: {
    50: '#716aac',
    500: '#2b3289',
    950: '#000000',
  },
}

SCSS

$custom: #2b3289;
$custom-light: #716aac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3289",
  "rgb": {
    "r": 43,
    "g": 50,
    "b": 137
  },
  "hsl": {
    "h": 235.532,
    "s": 52.222,
    "l": 35.294
  },
  "oklch": {
    "l": 0.36909,
    "c": 0.14295,
    "h": 273.5
  },
  "luminance": 0.04601
}

Semantic roles & 50–950 ramp

primary

#2B3289

secondary

#B3AD5C

accent

#D14CDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2B3289

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

Preview Lab → · Contrast checker → · Palette generator →