#2B4E9C#2B4E9C

#2B4E9C is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.3% C 0.134 H 263.7°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#2B4E9C
RGB	rgb(43, 78, 156)
HSL	hsl(221, 57%, 39%)
HSV	hsv(221, 72%, 61%)
CMYK	cmyk(72.4%, 50%, 0%, 38.8%)
CIE-LAB	lab(34.73, 15.17, -46.27)
CIE-LCH	lch(34.73, 48.69, 288.15°)
OKLab	oklab(44.25% -0.0147 -0.1328)
OKLCH	oklch(44.25% 0.134 263.7)
XYZ	xyz(9.7193, 8.3617, 32.5478)
Luminance	0.0836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4E9C #9C792B

analogous

#2B879C #2B4E9C #412B9C

triadic

#2B4E9C #9C2B4E #4E9C2B

tetradic

#2B4E9C #9C2B87 #9C792B #2B9C41

square

#2B4E9C #9C2B87 #9C792B #2B9C41

split-complementary

#2B4E9C #9C412B #879C2B

monochromatic

#111E3C #1E366C #2B4E9C #3B67C9 #6B8CD6

Accessibility & contrast

On white

7.86

#2B4E9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#2B4E9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4E9C

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4E9C	#FFFFFF	#000000	##FFFFFF
##2B4E9C	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22579F

Deuteranopia (green-blind)

#004D9A

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2b4e9c;
/* rgb */ color: rgb(43, 78, 156);
/* oklch */ color: oklch(44.3% 0.134 263.7);

Tailwind

colors: {
  custom: {
    50: '#737fba',
    500: '#2b4e9c',
    950: '#000000',
  },
}

SCSS

$custom: #2b4e9c;
$custom-light: #737fba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4e9c",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 156
  },
  "hsl": {
    "h": 221.416,
    "s": 56.784,
    "l": 39.02
  },
  "oklch": {
    "l": 0.44251,
    "c": 0.13364,
    "h": 263.7
  },
  "luminance": 0.08363
}

Semantic roles & 50–950 ramp

primary

#2B4E9C

secondary

#BDA266

accent

#B148E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2B4E9C

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

Preview Lab → · Contrast checker → · Palette generator →