#2B40AE#2B40AE

#2B40AE is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.9% C 0.176 H 269.1°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#2B40AE
RGB	rgb(43, 64, 174)
HSL	hsl(230, 60%, 43%)
HSV	hsv(230, 75%, 68%)
CMYK	cmyk(75.3%, 63.2%, 0%, 31.8%)
CIE-LAB	lab(32.34, 31.31, -60.95)
CIE-LCH	lch(32.34, 68.52, 297.19°)
OKLab	oklab(42.9% -0.0028 -0.1762)
OKLCH	oklch(42.9% 0.176 269.1)
XYZ	xyz(10.4670, 7.2352, 40.8811)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B40AE #AE992B

analogous

#2B81AE #2B40AE #582BAE

triadic

#2B40AE #AE2B40 #40AE2B

tetradic

#2B40AE #AE2B81 #AE992B #2BAE58

square

#2B40AE #AE2B81 #AE992B #2BAE58

split-complementary

#2B40AE #AE582B #81AE2B

monochromatic

#131C4C #1F2E7D #2B40AE #455CD1 #7687DD

Accessibility & contrast

On white

8.58

#2B40AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2B40AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B40AE

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B40AE	#FFFFFF	#000000	##FFFFFF
##2B40AE	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B2

Deuteranopia (green-blind)

#0046AC

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b40ae;
/* rgb */ color: rgb(43, 64, 174);
/* oklch */ color: oklch(42.9% 0.176 269.1);

Tailwind

colors: {
  custom: {
    50: '#7874c7',
    500: '#2b40ae',
    950: '#000000',
  },
}

SCSS

$custom: #2b40ae;
$custom-light: #7874c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b40ae",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 174
  },
  "hsl": {
    "h": 230.382,
    "s": 60.369,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42895,
    "c": 0.17618,
    "h": 269.1
  },
  "luminance": 0.07236
}

Semantic roles & 50–950 ramp

primary

#2B40AE

secondary

#C5B770

accent

#CA44E4

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B40AE

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

Preview Lab → · Contrast checker → · Palette generator →