#2B4EA3#2B4EA3

#2B4EA3 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.8% C 0.144 H 264.5°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#2B4EA3
RGB	rgb(43, 78, 163)
HSL	hsl(223, 58%, 40%)
HSV	hsv(223, 74%, 64%)
CMYK	cmyk(73.6%, 52.1%, 0%, 36.1%)
CIE-LAB	lab(35.21, 17.86, -49.69)
CIE-LCH	lch(35.21, 52.80, 289.77°)
OKLab	oklab(44.78% -0.0139 -0.1429)
OKLCH	oklch(44.78% 0.144 264.5)
XYZ	xyz(10.3292, 8.6056, 35.7599)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4EA3 #A3802B

analogous

#2B8AA3 #2B4EA3 #442BA3

triadic

#2B4EA3 #A32B4E #4EA32B

tetradic

#2B4EA3 #A32B8A #A3802B #2BA344

square

#2B4EA3 #A32B8A #A3802B #2BA344

split-complementary

#2B4EA3 #A3442B #8AA32B

monochromatic

#112042 #1E3773 #2B4EA3 #3F68CC #6F8ED9

Accessibility & contrast

On white

7.72

#2B4EA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#2B4EA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4EA3

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4EA3	#FFFFFF	#000000	##FFFFFF
##2B4EA3	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1759A6

Deuteranopia (green-blind)

#004EA1

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2b4ea3;
/* rgb */ color: rgb(43, 78, 163);
/* oklch */ color: oklch(44.8% 0.144 264.5);

Tailwind

colors: {
  custom: {
    50: '#757fbf',
    500: '#2b4ea3',
    950: '#000000',
  },
}

SCSS

$custom: #2b4ea3;
$custom-light: #757fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4ea3",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 163
  },
  "hsl": {
    "h": 222.5,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.44779,
    "c": 0.14356,
    "h": 264.5
  },
  "luminance": 0.08607
}

Semantic roles & 50–950 ramp

primary

#2B4EA3

secondary

#C0A76A

accent

#B446E1

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2B4EA3

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

Preview Lab → · Contrast checker → · Palette generator →