#2B4DBA#2B4DBA

#2B4DBA is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.176 H 266.3°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#2B4DBA
RGB	rgb(43, 77, 186)
HSL	hsl(226, 62%, 45%)
HSV	hsv(226, 77%, 73%)
CMYK	cmyk(76.9%, 58.6%, 0%, 27.1%)
CIE-LAB	lab(36.68, 27.28, -60.96)
CIE-LCH	lch(36.68, 66.78, 294.11°)
OKLab	oklab(46.43% -0.0115 -0.176)
OKLCH	oklch(46.43% 0.176 266.3)
XYZ	xyz(12.5100, 9.3651, 47.5932)
Luminance	0.0937 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4DBA #BA982B

analogous

#2B95BA #2B4DBA #502BBA

triadic

#2B4DBA #BA2B4D #4DBA2B

tetradic

#2B4DBA #BA2B95 #BA982B #2BBA50

square

#2B4DBA #BA2B95 #BA982B #2BBA50

split-complementary

#2B4DBA #BA502B #95BA2B

monochromatic

#142457 #203888 #2B4DBA #4C6DD6 #7E96E1

Accessibility & contrast

On white

7.31

#2B4DBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#2B4DBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4DBA

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4DBA	#FFFFFF	#000000	##FFFFFF
##2B4DBA	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBE

Deuteranopia (green-blind)

#0050B8

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2b4dba;
/* rgb */ color: rgb(43, 77, 186);
/* oklch */ color: oklch(46.4% 0.176 266.3);

Tailwind

colors: {
  custom: {
    50: '#7a7ed0',
    500: '#2b4dba',
    950: '#000000',
  },
}

SCSS

$custom: #2b4dba;
$custom-light: #7a7ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4dba",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 186
  },
  "hsl": {
    "h": 225.734,
    "s": 62.445,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46431,
    "c": 0.17642,
    "h": 266.3
  },
  "luminance": 0.09367
}

Semantic roles & 50–950 ramp

primary

#2B4DBA

secondary

#CAB677

accent

#BF42E6

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2B4DBA

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

Preview Lab → · Contrast checker → · Palette generator →