#2B359A#2B359A

#2B359A is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.163 H 272.0°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#2B359A
RGB	rgb(43, 53, 154)
HSL	hsl(235, 56%, 39%)
HSV	hsv(235, 72%, 60%)
CMYK	cmyk(72.1%, 65.6%, 0%, 39.6%)
CIE-LAB	lab(27.82, 31.14, -56.27)
CIE-LCH	lch(27.82, 64.31, 298.96°)
OKLab	oklab(39.03% 0.0056 -0.1625)
OKLCH	oklch(39.03% 0.163 272)
XYZ	xyz(8.1001, 5.3921, 31.1795)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B359A #9A902B

analogous

#2B6C9A #2B359A #582B9A

triadic

#2B359A #9A2B35 #359A2B

tetradic

#2B359A #9A2B6C #9A902B #2B9A58

square

#2B359A #9A2B6C #9A902B #2B9A58

split-complementary

#2B359A #9A582B #6C9A2B

monochromatic

#10143A #1E256A #2B359A #3A47C8 #6A74D5

Accessibility & contrast

On white

10.10

#2B359A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2B359A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B359A

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B359A	#FFFFFF	#000000	##FFFFFF
##2B359A	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479D

Deuteranopia (green-blind)

#003D98

Tritanopia (blue-blind)

#004F62

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2b359a;
/* rgb */ color: rgb(43, 53, 154);
/* oklch */ color: oklch(39.0% 0.163 272.0);

Tailwind

colors: {
  custom: {
    50: '#756cb9',
    500: '#2b359a',
    950: '#000000',
  },
}

SCSS

$custom: #2b359a;
$custom-light: #756cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b359a",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 154
  },
  "hsl": {
    "h": 234.595,
    "s": 56.345,
    "l": 38.627
  },
  "oklch": {
    "l": 0.39033,
    "c": 0.16265,
    "h": 272
  },
  "luminance": 0.05393
}

Semantic roles & 50–950 ramp

primary

#2B359A

secondary

#BCB465

accent

#D248E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2B359A

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

Preview Lab → · Contrast checker → · Palette generator →