#2B539D#2B539D

#2B539D is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.4% C 0.129 H 261.4°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#2B539D
RGB	rgb(43, 83, 157)
HSL	hsl(219, 57%, 39%)
HSV	hsv(219, 73%, 62%)
CMYK	cmyk(72.6%, 47.1%, 0%, 38.4%)
CIE-LAB	lab(36.24, 12.23, -44.44)
CIE-LCH	lch(36.24, 46.09, 285.38°)
OKLab	oklab(45.43% -0.0191 -0.1273)
OKLCH	oklch(45.43% 0.129 261.4)
XYZ	xyz(10.1731, 9.1333, 33.1185)
Luminance	0.0913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B539D #9D752B

analogous

#2B8C9D #2B539D #3C2B9D

triadic

#2B539D #9D2B53 #539D2B

tetradic

#2B539D #9D2B8C #9D752B #2B9D3C

square

#2B539D #9D2B8C #9D752B #2B9D3C

split-complementary

#2B539D #9D3C2B #8C9D2B

monochromatic

#11203D #1E3A6D #2B539D #3C6DCA #6C91D7

Accessibility & contrast

On white

7.43

#2B539D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#2B539D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B539D

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B539D	#FFFFFF	#000000	##FFFFFF
##2B539D	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5BA0

Deuteranopia (green-blind)

#13509B

Tritanopia (blue-blind)

#006470

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2b539d;
/* rgb */ color: rgb(43, 83, 157);
/* oklch */ color: oklch(45.4% 0.129 261.4);

Tailwind

colors: {
  custom: {
    50: '#7382ba',
    500: '#2b539d',
    950: '#000000',
  },
}

SCSS

$custom: #2b539d;
$custom-light: #7382ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b539d",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 157
  },
  "hsl": {
    "h": 218.947,
    "s": 57,
    "l": 39.216
  },
  "oklch": {
    "l": 0.45433,
    "c": 0.12877,
    "h": 261.4
  },
  "luminance": 0.09134
}

Semantic roles & 50–950 ramp

primary

#2B539D

secondary

#BD9F66

accent

#AB48E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2B539D

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

Preview Lab → · Contrast checker → · Palette generator →