#2B4D9C#2B4D9C

#2B4D9C is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.0% C 0.135 H 264.1°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D9C
RGB	rgb(43, 77, 156)
HSL	hsl(222, 57%, 39%)
HSV	hsv(222, 72%, 61%)
CMYK	cmyk(72.4%, 50.6%, 0%, 38.8%)
CIE-LAB	lab(34.44, 15.84, -46.73)
CIE-LCH	lch(34.44, 49.34, 288.73°)
OKLab	oklab(44.03% -0.0138 -0.1342)
OKLCH	oklch(44.03% 0.135 264.1)
XYZ	xyz(9.6488, 8.2206, 32.5243)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D9C #9C7A2B

analogous

#2B869C #2B4D9C #422B9C

triadic

#2B4D9C #9C2B4D #4D9C2B

tetradic

#2B4D9C #9C2B86 #9C7A2B #2B9C42

square

#2B4D9C #9C2B86 #9C7A2B #2B9C42

split-complementary

#2B4D9C #9C422B #869C2B

monochromatic

#111E3C #1E356C #2B4D9C #3B66C9 #6B8BD6

Accessibility & contrast

On white

7.94

#2B4D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2B4D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D9C

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D9C	#FFFFFF	#000000	##FFFFFF
##2B4D9C	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F569F

Deuteranopia (green-blind)

#004C9A

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2b4d9c;
/* rgb */ color: rgb(43, 77, 156);
/* oklch */ color: oklch(44.0% 0.135 264.1);

Tailwind

colors: {
  custom: {
    50: '#737eba',
    500: '#2b4d9c',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d9c;
$custom-light: #737eba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d9c",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 156
  },
  "hsl": {
    "h": 221.947,
    "s": 56.784,
    "l": 39.02
  },
  "oklch": {
    "l": 0.44032,
    "c": 0.13491,
    "h": 264.1
  },
  "luminance": 0.08222
}

Semantic roles & 50–950 ramp

primary

#2B4D9C

secondary

#BDA366

accent

#B248E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2B4D9C

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

Preview Lab → · Contrast checker → · Palette generator →