#2B539E#2B539E

#2B539E is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.5% C 0.130 H 261.6°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#2B539E
RGB	rgb(43, 83, 158)
HSL	hsl(219, 57%, 39%)
HSV	hsv(219, 73%, 62%)
CMYK	cmyk(72.8%, 47.5%, 0%, 38%)
CIE-LAB	lab(36.30, 12.61, -44.93)
CIE-LCH	lch(36.30, 46.67, 285.68°)
OKLab	oklab(45.5% -0.019 -0.1288)
OKLCH	oklch(45.5% 0.13 261.6)
XYZ	xyz(10.2589, 9.1676, 33.5700)
Luminance	0.0917 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B539E #9E762B

analogous

#2B8D9E #2B539E #3C2B9E

triadic

#2B539E #9E2B53 #539E2B

tetradic

#2B539E #9E2B8D #9E762B #2B9E3C

square

#2B539E #9E2B8D #9E762B #2B9E3C

split-complementary

#2B539E #9E3C2B #8D9E2B

monochromatic

#11203E #1E3A6E #2B539E #3C6ECA #6C91D7

Accessibility & contrast

On white

7.41

#2B539E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#2B539E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B539E

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B539E	#FFFFFF	#000000	##FFFFFF
##2B539E	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5BA1

Deuteranopia (green-blind)

#10509C

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2b539e;
/* rgb */ color: rgb(43, 83, 158);
/* oklch */ color: oklch(45.5% 0.130 261.6);

Tailwind

colors: {
  custom: {
    50: '#7382bb',
    500: '#2b539e',
    950: '#000000',
  },
}

SCSS

$custom: #2b539e;
$custom-light: #7382bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b539e",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 158
  },
  "hsl": {
    "h": 219.13,
    "s": 57.214,
    "l": 39.412
  },
  "oklch": {
    "l": 0.45504,
    "c": 0.13019,
    "h": 261.6
  },
  "luminance": 0.09169
}

Semantic roles & 50–950 ramp

primary

#2B539E

secondary

#BEA067

accent

#AB47E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2B539E

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

Preview Lab → · Contrast checker → · Palette generator →