#2B4A9F#2B4A9F

#2B4A9F is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.6% C 0.143 H 265.6°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#2B4A9F
RGB	rgb(43, 74, 159)
HSL	hsl(224, 57%, 40%)
HSV	hsv(224, 73%, 62%)
CMYK	cmyk(73%, 53.5%, 0%, 37.6%)
CIE-LAB	lab(33.80, 19.00, -49.57)
CIE-LCH	lch(33.80, 53.09, 290.98°)
OKLab	oklab(43.62% -0.0109 -0.1426)
OKLCH	oklch(43.62% 0.143 265.6)
XYZ	xyz(9.7009, 7.9133, 33.8103)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4A9F #9F802B

analogous

#2B849F #2B4A9F #462B9F

triadic

#2B4A9F #9F2B4A #4A9F2B

tetradic

#2B4A9F #9F2B84 #9F802B #2B9F46

square

#2B4A9F #9F2B84 #9F802B #2B9F46

split-complementary

#2B4A9F #9F462B #849F2B

monochromatic

#111D3F #1E346F #2B4A9F #3D63CA #6D89D7

Accessibility & contrast

On white

8.13

#2B4A9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2B4A9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4A9F

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4A9F	#FFFFFF	#000000	##FFFFFF
##2B4A9F	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F55A2

Deuteranopia (green-blind)

#004A9D

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b4a9f;
/* rgb */ color: rgb(43, 74, 159);
/* oklch */ color: oklch(43.6% 0.143 265.6);

Tailwind

colors: {
  custom: {
    50: '#747cbc',
    500: '#2b4a9f',
    950: '#000000',
  },
}

SCSS

$custom: #2b4a9f;
$custom-light: #747cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4a9f",
  "rgb": {
    "r": 43,
    "g": 74,
    "b": 159
  },
  "hsl": {
    "h": 223.966,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43617,
    "c": 0.14301,
    "h": 265.6
  },
  "luminance": 0.07914
}

Semantic roles & 50–950 ramp

primary

#2B4A9F

secondary

#BEA767

accent

#B847E1

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2B4A9F

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

Preview Lab → · Contrast checker → · Palette generator →