#2B3E9C#2B3E9C

#2B3E9C is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.9% C 0.154 H 269.6°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#2B3E9C
RGB	rgb(43, 62, 156)
HSL	hsl(230, 57%, 39%)
HSV	hsv(230, 72%, 61%)
CMYK	cmyk(72.4%, 60.3%, 0%, 38.8%)
CIE-LAB	lab(30.30, 25.92, -53.44)
CIE-LCH	lch(30.30, 59.40, 295.88°)
OKLab	oklab(40.91% -0.0012 -0.1542)
OKLCH	oklch(40.91% 0.154 269.6)
XYZ	xyz(8.7176, 6.3583, 32.2139)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3E9C #9C892B

analogous

#2B779C #2B3E9C #512B9C

triadic

#2B3E9C #9C2B3E #3E9C2B

tetradic

#2B3E9C #9C2B77 #9C892B #2B9C51

square

#2B3E9C #9C2B77 #9C892B #2B9C51

split-complementary

#2B3E9C #9C512B #779C2B

monochromatic

#11183C #1E2B6C #2B3E9C #3B53C9 #6B7DD6

Accessibility & contrast

On white

9.24

#2B3E9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2B3E9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3E9C

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3E9C	#FFFFFF	#000000	##FFFFFF
##2B3E9C	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9F

Deuteranopia (green-blind)

#00429A

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3e9c;
/* rgb */ color: rgb(43, 62, 156);
/* oklch */ color: oklch(40.9% 0.154 269.6);

Tailwind

colors: {
  custom: {
    50: '#7473ba',
    500: '#2b3e9c',
    950: '#000000',
  },
}

SCSS

$custom: #2b3e9c;
$custom-light: #7473ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3e9c",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 156
  },
  "hsl": {
    "h": 229.912,
    "s": 56.784,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40913,
    "c": 0.15417,
    "h": 269.6
  },
  "luminance": 0.06359
}

Semantic roles & 50–950 ramp

primary

#2B3E9C

secondary

#BDAE66

accent

#C648E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2B3E9C

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

Preview Lab → · Contrast checker → · Palette generator →