#2B4BA3#2B4BA3

#2B4BA3 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.1% C 0.147 H 265.6°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#2B4BA3
RGB	rgb(43, 75, 163)
HSL	hsl(224, 58%, 40%)
HSV	hsv(224, 74%, 64%)
CMYK	cmyk(73.6%, 54%, 0%, 36.1%)
CIE-LAB	lab(34.37, 19.86, -51.05)
CIE-LCH	lch(34.37, 54.78, 291.26°)
OKLab	oklab(44.14% -0.0113 -0.1469)
OKLCH	oklch(44.14% 0.147 265.6)
XYZ	xyz(10.1209, 8.1890, 35.6905)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4BA3 #A3832B

analogous

#2B87A3 #2B4BA3 #472BA3

triadic

#2B4BA3 #A32B4B #4BA32B

tetradic

#2B4BA3 #A32B87 #A3832B #2BA347

square

#2B4BA3 #A32B87 #A3832B #2BA347

split-complementary

#2B4BA3 #A3472B #87A32B

monochromatic

#111E42 #1E3573 #2B4BA3 #3F65CC #6F8CD9

Accessibility & contrast

On white

7.96

#2B4BA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2B4BA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4BA3

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4BA3	#FFFFFF	#000000	##FFFFFF
##2B4BA3	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0957A6

Deuteranopia (green-blind)

#004CA1

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2b4ba3;
/* rgb */ color: rgb(43, 75, 163);
/* oklch */ color: oklch(44.1% 0.147 265.6);

Tailwind

colors: {
  custom: {
    50: '#757cbf',
    500: '#2b4ba3',
    950: '#000000',
  },
}

SCSS

$custom: #2b4ba3;
$custom-light: #757cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4ba3",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 163
  },
  "hsl": {
    "h": 224,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.44142,
    "c": 0.14738,
    "h": 265.6
  },
  "luminance": 0.0819
}

Semantic roles & 50–950 ramp

primary

#2B4BA3

secondary

#C0A96A

accent

#B846E1

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2B4BA3

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

Preview Lab → · Contrast checker → · Palette generator →