#2B509A#2B509A

#2B509A is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.5% C 0.128 H 262.4°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#2B509A
RGB	rgb(43, 80, 154)
HSL	hsl(220, 56%, 39%)
HSV	hsv(220, 72%, 60%)
CMYK	cmyk(72.1%, 48.1%, 0%, 39.6%)
CIE-LAB	lab(35.17, 13.07, -44.35)
CIE-LCH	lch(35.17, 46.23, 286.42°)
OKLab	oklab(44.55% -0.0169 -0.1271)
OKLCH	oklch(44.55% 0.128 262.4)
XYZ	xyz(9.6956, 8.5830, 31.7113)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B509A #9A752B

analogous

#2B879A #2B509A #3D2B9A

triadic

#2B509A #9A2B50 #509A2B

tetradic

#2B509A #9A2B87 #9A752B #2B9A3D

square

#2B509A #9A2B87 #9A752B #2B9A3D

split-complementary

#2B509A #9A3D2B #879A2B

monochromatic

#101E3A #1E376A #2B509A #3A69C8 #6A8ED5

Accessibility & contrast

On white

7.73

#2B509A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#2B509A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B509A

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B509A	#FFFFFF	#000000	##FFFFFF
##2B509A	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29589D

Deuteranopia (green-blind)

#0E4E98

Tritanopia (blue-blind)

#00616D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2b509a;
/* rgb */ color: rgb(43, 80, 154);
/* oklch */ color: oklch(44.5% 0.128 262.4);

Tailwind

colors: {
  custom: {
    50: '#7380b8',
    500: '#2b509a',
    950: '#000000',
  },
}

SCSS

$custom: #2b509a;
$custom-light: #7380b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b509a",
  "rgb": {
    "r": 43,
    "g": 80,
    "b": 154
  },
  "hsl": {
    "h": 220,
    "s": 56.345,
    "l": 38.627
  },
  "oklch": {
    "l": 0.44548,
    "c": 0.12825,
    "h": 262.4
  },
  "luminance": 0.08584
}

Semantic roles & 50–950 ramp

primary

#2B509A

secondary

#BC9F65

accent

#AD48E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2B509A

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

Preview Lab → · Contrast checker → · Palette generator →