#2B539A#2B539A

#2B539A is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.2% C 0.125 H 260.9°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#2B539A
RGB	rgb(43, 83, 154)
HSL	hsl(218, 56%, 39%)
HSV	hsv(218, 72%, 60%)
CMYK	cmyk(72.1%, 46.1%, 0%, 39.6%)
CIE-LAB	lab(36.05, 11.08, -42.94)
CIE-LCH	lch(36.05, 44.35, 284.46°)
OKLab	oklab(45.22% -0.0197 -0.1229)
OKLCH	oklch(45.22% 0.125 260.9)
XYZ	xyz(9.9202, 9.0322, 31.7862)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B539A #9A722B

analogous

#2B8A9A #2B539A #3A2B9A

triadic

#2B539A #9A2B53 #539A2B

tetradic

#2B539A #9A2B8A #9A722B #2B9A3A

square

#2B539A #9A2B8A #9A722B #2B9A3A

split-complementary

#2B539A #9A3A2B #8A9A2B

monochromatic

#101F3A #1E396A #2B539A #3A6DC8 #6A91D5

Accessibility & contrast

On white

7.48

#2B539A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#2B539A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B539A

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B539A	#FFFFFF	#000000	##FFFFFF
##2B539A	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5A9D

Deuteranopia (green-blind)

#195099

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2b539a;
/* rgb */ color: rgb(43, 83, 154);
/* oklch */ color: oklch(45.2% 0.125 260.9);

Tailwind

colors: {
  custom: {
    50: '#7382b8',
    500: '#2b539a',
    950: '#000000',
  },
}

SCSS

$custom: #2b539a;
$custom-light: #7382b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b539a",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 154
  },
  "hsl": {
    "h": 218.378,
    "s": 56.345,
    "l": 38.627
  },
  "oklch": {
    "l": 0.45222,
    "c": 0.12451,
    "h": 260.9
  },
  "luminance": 0.09033
}

Semantic roles & 50–950 ramp

primary

#2B539A

secondary

#BC9D65

accent

#A948E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2B539A

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

Preview Lab → · Contrast checker → · Palette generator →