#2B539C#2B539C

#2B539C is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.4% C 0.127 H 261.3°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#2B539C
RGB	rgb(43, 83, 156)
HSL	hsl(219, 57%, 39%)
HSV	hsv(219, 72%, 61%)
CMYK	cmyk(72.4%, 46.8%, 0%, 38.8%)
CIE-LAB	lab(36.17, 11.84, -43.94)
CIE-LCH	lch(36.17, 45.51, 285.08°)
OKLab	oklab(45.36% -0.0193 -0.1259)
OKLCH	oklch(45.36% 0.127 261.3)
XYZ	xyz(10.0881, 9.0993, 32.6707)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B539C #9C742B

analogous

#2B8C9C #2B539C #3C2B9C

triadic

#2B539C #9C2B53 #539C2B

tetradic

#2B539C #9C2B8C #9C742B #2B9C3C

square

#2B539C #9C2B8C #9C742B #2B9C3C

split-complementary

#2B539C #9C3C2B #8C9C2B

monochromatic

#11203C #1E396C #2B539C #3B6DC9 #6B91D6

Accessibility & contrast

On white

7.45

#2B539C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#2B539C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B539C

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B539C	#FFFFFF	#000000	##FFFFFF
##2B539C	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5B9F

Deuteranopia (green-blind)

#15509B

Tritanopia (blue-blind)

#006470

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2b539c;
/* rgb */ color: rgb(43, 83, 156);
/* oklch */ color: oklch(45.4% 0.127 261.3);

Tailwind

colors: {
  custom: {
    50: '#7382ba',
    500: '#2b539c',
    950: '#000000',
  },
}

SCSS

$custom: #2b539c;
$custom-light: #7382ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b539c",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 156
  },
  "hsl": {
    "h": 218.761,
    "s": 56.784,
    "l": 39.02
  },
  "oklch": {
    "l": 0.45362,
    "c": 0.12735,
    "h": 261.3
  },
  "luminance": 0.091
}

Semantic roles & 50–950 ramp

primary

#2B539C

secondary

#BD9E66

accent

#AA48E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2B539C

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

Preview Lab → · Contrast checker → · Palette generator →