#2B4399#2B4399

#2B4399 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.7% C 0.144 H 267.9°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#2B4399
RGB	rgb(43, 67, 153)
HSL	hsl(227, 56%, 38%)
HSV	hsv(227, 72%, 60%)
CMYK	cmyk(71.9%, 56.2%, 0%, 40%)
CIE-LAB	lab(31.41, 21.43, -49.81)
CIE-LCH	lch(31.41, 54.23, 293.27°)
OKLab	oklab(41.67% -0.0054 -0.1434)
OKLCH	oklch(41.67% 0.144 267.9)
XYZ	xyz(8.7512, 6.8269, 30.9873)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4399 #99812B

analogous

#2B7A99 #2B4399 #4A2B99

triadic

#2B4399 #992B43 #43992B

tetradic

#2B4399 #992B7A #99812B #2B994A

square

#2B4399 #992B7A #99812B #2B994A

split-complementary

#2B4399 #994A2B #7A992B

monochromatic

#101939 #1E2E69 #2B4399 #3A59C8 #6981D5

Accessibility & contrast

On white

8.88

#2B4399 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2B4399 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4399

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4399	#FFFFFF	#000000	##FFFFFF
##2B4399	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9C

Deuteranopia (green-blind)

#004597

Tritanopia (blue-blind)

#005867

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b4399;
/* rgb */ color: rgb(43, 67, 153);
/* oklch */ color: oklch(41.7% 0.144 267.9);

Tailwind

colors: {
  custom: {
    50: '#7376b8',
    500: '#2b4399',
    950: '#000000',
  },
}

SCSS

$custom: #2b4399;
$custom-light: #7376b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4399",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 153
  },
  "hsl": {
    "h": 226.909,
    "s": 56.122,
    "l": 38.431
  },
  "oklch": {
    "l": 0.41669,
    "c": 0.14354,
    "h": 267.9
  },
  "luminance": 0.06828
}

Semantic roles & 50–950 ramp

primary

#2B4399

secondary

#BCA864

accent

#BE48DF

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2B4399

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

Preview Lab → · Contrast checker → · Palette generator →