#2B339F#2B339F

#2B339F is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.2% C 0.172 H 272.2°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#2B339F
RGB	rgb(43, 51, 159)
HSL	hsl(236, 57%, 40%)
HSV	hsv(236, 73%, 62%)
CMYK	cmyk(73%, 67.9%, 0%, 37.6%)
CIE-LAB	lab(27.80, 34.24, -59.35)
CIE-LCH	lch(27.80, 68.52, 299.98°)
OKLab	oklab(39.16% 0.0065 -0.1716)
OKLCH	oklch(39.16% 0.172 272.2)
XYZ	xyz(8.4360, 5.3836, 33.3887)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B339F #9F972B

analogous

#2B6D9F #2B339F #5D2B9F

triadic

#2B339F #9F2B33 #339F2B

tetradic

#2B339F #9F2B6D #9F972B #2B9F5D

square

#2B339F #9F2B6D #9F972B #2B9F5D

split-complementary

#2B339F #9F5D2B #6D9F2B

monochromatic

#11143F #1E246F #2B339F #3D47CA #6D74D7

Accessibility & contrast

On white

10.11

#2B339F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2B339F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B339F

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B339F	#FFFFFF	#000000	##FFFFFF
##2B339F	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A2

Deuteranopia (green-blind)

#003C9D

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2b339f;
/* rgb */ color: rgb(43, 51, 159);
/* oklch */ color: oklch(39.2% 0.172 272.2);

Tailwind

colors: {
  custom: {
    50: '#766bbc',
    500: '#2b339f',
    950: '#000000',
  },
}

SCSS

$custom: #2b339f;
$custom-light: #766bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b339f",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 159
  },
  "hsl": {
    "h": 235.862,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39157,
    "c": 0.1717,
    "h": 272.2
  },
  "luminance": 0.05384
}

Semantic roles & 50–950 ramp

primary

#2B339F

secondary

#BEB867

accent

#D647E1

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2B339F

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

Preview Lab → · Contrast checker → · Palette generator →