#2B339C#2B339C

#2B339C is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.9% C 0.168 H 272.3°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#2B339C
RGB	rgb(43, 51, 156)
HSL	hsl(236, 57%, 39%)
HSV	hsv(236, 72%, 61%)
CMYK	cmyk(72.4%, 67.3%, 0%, 38.8%)
CIE-LAB	lab(27.52, 33.16, -57.98)
CIE-LCH	lch(27.52, 66.80, 299.76°)
OKLab	oklab(38.87% 0.0068 -0.1676)
OKLCH	oklch(38.87% 0.168 272.3)
XYZ	xyz(8.1788, 5.2807, 32.0343)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B339C #9C942B

analogous

#2B6C9C #2B339C #5C2B9C

triadic

#2B339C #9C2B33 #339C2B

tetradic

#2B339C #9C2B6C #9C942B #2B9C5C

square

#2B339C #9C2B6C #9C942B #2B9C5C

split-complementary

#2B339C #9C5C2B #6C9C2B

monochromatic

#11143C #1E236C #2B339C #3B45C9 #6B73D6

Accessibility & contrast

On white

10.21

#2B339C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2B339C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B339C

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B339C	#FFFFFF	#000000	##FFFFFF
##2B339C	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469F

Deuteranopia (green-blind)

#003C9A

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b339c;
/* rgb */ color: rgb(43, 51, 156);
/* oklch */ color: oklch(38.9% 0.168 272.3);

Tailwind

colors: {
  custom: {
    50: '#756bba',
    500: '#2b339c',
    950: '#000000',
  },
}

SCSS

$custom: #2b339c;
$custom-light: #756bba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b339c",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 156
  },
  "hsl": {
    "h": 235.752,
    "s": 56.784,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38867,
    "c": 0.16773,
    "h": 272.3
  },
  "luminance": 0.05282
}

Semantic roles & 50–950 ramp

primary

#2B339C

secondary

#BDB766

accent

#D548E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2B339C

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

Preview Lab → · Contrast checker → · Palette generator →