#2B559B#2B559B

#2B559B is a mid, vivid blue. Relative luminance 0.094; OKLCH L 45.7% C 0.123 H 260.0°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#2B559B
RGB	rgb(43, 85, 155)
HSL	hsl(218, 57%, 39%)
HSV	hsv(218, 72%, 61%)
CMYK	cmyk(72.3%, 45.2%, 0%, 39.2%)
CIE-LAB	lab(36.70, 10.14, -42.50)
CIE-LCH	lch(36.70, 43.69, 283.42°)
OKLab	oklab(45.75% -0.0214 -0.1216)
OKLCH	oklch(45.75% 0.123 260)
XYZ	xyz(10.1590, 9.3761, 32.2784)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B559B #9B712B

analogous

#2B8D9B #2B559B #392B9B

triadic

#2B559B #9B2B55 #559B2B

tetradic

#2B559B #9B2B8D #9B712B #2B9B39

square

#2B559B #9B2B8D #9B712B #2B9B39

split-complementary

#2B559B #9B392B #8D9B2B

monochromatic

#10203B #1E3B6B #2B559B #3B70C9 #6B93D6

Accessibility & contrast

On white

7.30

#2B559B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#2B559B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B559B

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B559B	#FFFFFF	#000000	##FFFFFF
##2B559B	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325C9E

Deuteranopia (green-blind)

#1D529A

Tritanopia (blue-blind)

#006570

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2b559b;
/* rgb */ color: rgb(43, 85, 155);
/* oklch */ color: oklch(45.7% 0.123 260.0);

Tailwind

colors: {
  custom: {
    50: '#7384b9',
    500: '#2b559b',
    950: '#000000',
  },
}

SCSS

$custom: #2b559b;
$custom-light: #7384b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b559b",
  "rgb": {
    "r": 43,
    "g": 85,
    "b": 155
  },
  "hsl": {
    "h": 217.5,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.45745,
    "c": 0.12348,
    "h": 260
  },
  "luminance": 0.09377
}

Semantic roles & 50–950 ramp

primary

#2B559B

secondary

#BC9C65

accent

#A748E0

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2B559B

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

Preview Lab → · Contrast checker → · Palette generator →