#2B4D9A#2B4D9A

#2B4D9A is a dark, vivid blue. Relative luminance 0.082; OKLCH L 43.9% C 0.132 H 263.9°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D9A
RGB	rgb(43, 77, 154)
HSL	hsl(222, 56%, 39%)
HSV	hsv(222, 72%, 60%)
CMYK	cmyk(72.1%, 50%, 0%, 39.6%)
CIE-LAB	lab(34.30, 15.07, -45.75)
CIE-LCH	lch(34.30, 48.16, 288.24°)
OKLab	oklab(43.88% -0.0141 -0.1313)
OKLCH	oklch(43.88% 0.132 263.9)
XYZ	xyz(9.4808, 8.1535, 31.6397)
Luminance	0.0815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D9A #9A782B

analogous

#2B849A #2B4D9A #412B9A

triadic

#2B4D9A #9A2B4D #4D9A2B

tetradic

#2B4D9A #9A2B84 #9A782B #2B9A41

square

#2B4D9A #9A2B84 #9A782B #2B9A41

split-complementary

#2B4D9A #9A412B #849A2B

monochromatic

#101D3A #1E356A #2B4D9A #3A66C8 #6A8BD5

Accessibility & contrast

On white

7.98

#2B4D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#2B4D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D9A

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D9A	#FFFFFF	#000000	##FFFFFF
##2B4D9A	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21569D

Deuteranopia (green-blind)

#004C98

Tritanopia (blue-blind)

#005F6C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2b4d9a;
/* rgb */ color: rgb(43, 77, 154);
/* oklch */ color: oklch(43.9% 0.132 263.9);

Tailwind

colors: {
  custom: {
    50: '#737eb8',
    500: '#2b4d9a',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d9a;
$custom-light: #737eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d9a",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 154
  },
  "hsl": {
    "h": 221.622,
    "s": 56.345,
    "l": 38.627
  },
  "oklch": {
    "l": 0.43883,
    "c": 0.13205,
    "h": 263.9
  },
  "luminance": 0.08154
}

Semantic roles & 50–950 ramp

primary

#2B4D9A

secondary

#BCA165

accent

#B148E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #2B4D9A

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

Preview Lab → · Contrast checker → · Palette generator →