#2B539F#2B539F

#2B539F is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.6% C 0.132 H 261.8°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#2B539F
RGB	rgb(43, 83, 159)
HSL	hsl(219, 57%, 40%)
HSV	hsv(219, 73%, 62%)
CMYK	cmyk(73%, 47.8%, 0%, 37.6%)
CIE-LAB	lab(36.37, 12.99, -45.43)
CIE-LCH	lch(36.37, 47.25, 285.96°)
OKLab	oklab(45.58% -0.0188 -0.1302)
OKLCH	oklch(45.58% 0.132 261.8)
XYZ	xyz(10.3453, 9.2022, 34.0252)
Luminance	0.0920 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B539F #9F772B

analogous

#2B8D9F #2B539F #3D2B9F

triadic

#2B539F #9F2B53 #539F2B

tetradic

#2B539F #9F2B8D #9F772B #2B9F3D

square

#2B539F #9F2B8D #9F772B #2B9F3D

split-complementary

#2B539F #9F3D2B #8D9F2B

monochromatic

#11213F #1E3A6F #2B539F #3D6ECA #6D92D7

Accessibility & contrast

On white

7.39

#2B539F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#2B539F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B539F

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B539F	#FFFFFF	#000000	##FFFFFF
##2B539F	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5BA2

Deuteranopia (green-blind)

#0E519D

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2b539f;
/* rgb */ color: rgb(43, 83, 159);
/* oklch */ color: oklch(45.6% 0.132 261.8);

Tailwind

colors: {
  custom: {
    50: '#7482bc',
    500: '#2b539f',
    950: '#000000',
  },
}

SCSS

$custom: #2b539f;
$custom-light: #7482bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b539f",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 159
  },
  "hsl": {
    "h": 219.31,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.45576,
    "c": 0.1316,
    "h": 261.8
  },
  "luminance": 0.09203
}

Semantic roles & 50–950 ramp

primary

#2B539F

secondary

#BEA067

accent

#AC47E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2B539F

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

Preview Lab → · Contrast checker → · Palette generator →