#2B3DAD#2B3DAD

#2B3DAD is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.3% C 0.178 H 269.7°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#2B3DAD
RGB	rgb(43, 61, 173)
HSL	hsl(232, 60%, 42%)
HSV	hsv(232, 75%, 68%)
CMYK	cmyk(75.1%, 64.7%, 0%, 32.2%)
CIE-LAB	lab(31.50, 32.89, -61.71)
CIE-LCH	lch(31.50, 69.93, 298.06°)
OKLab	oklab(42.25% -0.0009 -0.1784)
OKLCH	oklch(42.25% 0.178 269.7)
XYZ	xyz(10.2052, 6.8671, 40.3147)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3DAD #AD9B2B

analogous

#2B7EAD #2B3DAD #5A2BAD

triadic

#2B3DAD #AD2B3D #3DAD2B

tetradic

#2B3DAD #AD2B7E #AD9B2B #2BAD5A

square

#2B3DAD #AD2B7E #AD9B2B #2BAD5A

split-complementary

#2B3DAD #AD5A2B #7EAD2B

monochromatic

#131A4B #1F2C7C #2B3DAD #4558D1 #7684DD

Accessibility & contrast

On white

8.85

#2B3DAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2B3DAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3DAD

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3DAD	#FFFFFF	#000000	##FFFFFF
##2B3DAD	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B1

Deuteranopia (green-blind)

#0044AB

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b3dad;
/* rgb */ color: rgb(43, 61, 173);
/* oklch */ color: oklch(42.3% 0.178 269.7);

Tailwind

colors: {
  custom: {
    50: '#7872c6',
    500: '#2b3dad',
    950: '#000000',
  },
}

SCSS

$custom: #2b3dad;
$custom-light: #7872c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3dad",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 173
  },
  "hsl": {
    "h": 231.692,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.42254,
    "c": 0.17844,
    "h": 269.7
  },
  "luminance": 0.06868
}

Semantic roles & 50–950 ramp

primary

#2B3DAD

secondary

#C4B96F

accent

#CD44E3

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B3DAD

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

Preview Lab → · Contrast checker → · Palette generator →