#2B4E9A#2B4E9A

#2B4E9A is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.1% C 0.131 H 263.4°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#2B4E9A
RGB	rgb(43, 78, 154)
HSL	hsl(221, 56%, 39%)
HSV	hsv(221, 72%, 60%)
CMYK	cmyk(72.1%, 49.4%, 0%, 39.6%)
CIE-LAB	lab(34.59, 14.40, -45.28)
CIE-LCH	lch(34.59, 47.52, 287.64°)
OKLab	oklab(44.1% -0.015 -0.1299)
OKLCH	oklch(44.1% 0.131 263.4)
XYZ	xyz(9.5513, 8.2945, 31.6632)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4E9A #9A772B

analogous

#2B859A #2B4E9A #3F2B9A

triadic

#2B4E9A #9A2B4E #4E9A2B

tetradic

#2B4E9A #9A2B85 #9A772B #2B9A3F

square

#2B4E9A #9A2B85 #9A772B #2B9A3F

split-complementary

#2B4E9A #9A3F2B #859A2B

monochromatic

#101E3A #1E366A #2B4E9A #3A67C8 #6A8CD5

Accessibility & contrast

On white

7.90

#2B4E9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#2B4E9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4E9A

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4E9A	#FFFFFF	#000000	##FFFFFF
##2B4E9A	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24579D

Deuteranopia (green-blind)

#034D98

Tritanopia (blue-blind)

#00606C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2b4e9a;
/* rgb */ color: rgb(43, 78, 154);
/* oklch */ color: oklch(44.1% 0.131 263.4);

Tailwind

colors: {
  custom: {
    50: '#737fb8',
    500: '#2b4e9a',
    950: '#000000',
  },
}

SCSS

$custom: #2b4e9a;
$custom-light: #737fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4e9a",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 154
  },
  "hsl": {
    "h": 221.081,
    "s": 56.345,
    "l": 38.627
  },
  "oklch": {
    "l": 0.44104,
    "c": 0.13078,
    "h": 263.4
  },
  "luminance": 0.08295
}

Semantic roles & 50–950 ramp

primary

#2B4E9A

secondary

#BCA165

accent

#B048E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2B4E9A

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

Preview Lab → · Contrast checker → · Palette generator →