#2B339E#2B339E

#2B339E is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.1% C 0.170 H 272.2°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#2B339E
RGB	rgb(43, 51, 158)
HSL	hsl(236, 57%, 39%)
HSV	hsv(236, 73%, 62%)
CMYK	cmyk(72.8%, 67.7%, 0%, 38%)
CIE-LAB	lab(27.71, 33.88, -58.90)
CIE-LCH	lch(27.71, 67.94, 299.91°)
OKLab	oklab(39.06% 0.0066 -0.1703)
OKLCH	oklch(39.06% 0.17 272.2)
XYZ	xyz(8.3496, 5.3490, 32.9336)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B339E #9E962B

analogous

#2B6D9E #2B339E #5D2B9E

triadic

#2B339E #9E2B33 #339E2B

tetradic

#2B339E #9E2B6D #9E962B #2B9E5D

square

#2B339E #9E2B6D #9E962B #2B9E5D

split-complementary

#2B339E #9E5D2B #6D9E2B

monochromatic

#11143E #1E236E #2B339E #3C46CA #6C74D7

Accessibility & contrast

On white

10.14

#2B339E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2B339E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B339E

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B339E	#FFFFFF	#000000	##FFFFFF
##2B339E	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A1

Deuteranopia (green-blind)

#003C9C

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b339e;
/* rgb */ color: rgb(43, 51, 158);
/* oklch */ color: oklch(39.1% 0.170 272.2);

Tailwind

colors: {
  custom: {
    50: '#766bbc',
    500: '#2b339e',
    950: '#000000',
  },
}

SCSS

$custom: #2b339e;
$custom-light: #766bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b339e",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 158
  },
  "hsl": {
    "h": 235.826,
    "s": 57.214,
    "l": 39.412
  },
  "oklch": {
    "l": 0.39061,
    "c": 0.17038,
    "h": 272.2
  },
  "luminance": 0.0535
}

Semantic roles & 50–950 ramp

primary

#2B339E

secondary

#BEB867

accent

#D647E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2B339E

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

Preview Lab → · Contrast checker → · Palette generator →