#2B339D#2B339D

#2B339D is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.0% C 0.169 H 272.3°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#2B339D
RGB	rgb(43, 51, 157)
HSL	hsl(236, 57%, 39%)
HSV	hsv(236, 73%, 62%)
CMYK	cmyk(72.6%, 67.5%, 0%, 38.4%)
CIE-LAB	lab(27.61, 33.52, -58.44)
CIE-LCH	lch(27.61, 67.37, 299.84°)
OKLab	oklab(38.96% 0.0067 -0.1689)
OKLCH	oklch(38.96% 0.169 272.3)
XYZ	xyz(8.2638, 5.3147, 32.4821)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B339D #9D952B

analogous

#2B6C9D #2B339D #5C2B9D

triadic

#2B339D #9D2B33 #339D2B

tetradic

#2B339D #9D2B6C #9D952B #2B9D5C

square

#2B339D #9D2B6C #9D952B #2B9D5C

split-complementary

#2B339D #9D5C2B #6C9D2B

monochromatic

#11143D #1E236D #2B339D #3C46CA #6C73D7

Accessibility & contrast

On white

10.18

#2B339D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2B339D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B339D

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B339D	#FFFFFF	#000000	##FFFFFF
##2B339D	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A0

Deuteranopia (green-blind)

#003C9B

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b339d;
/* rgb */ color: rgb(43, 51, 157);
/* oklch */ color: oklch(39.0% 0.169 272.3);

Tailwind

colors: {
  custom: {
    50: '#756bbb',
    500: '#2b339d',
    950: '#000000',
  },
}

SCSS

$custom: #2b339d;
$custom-light: #756bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b339d",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 157
  },
  "hsl": {
    "h": 235.789,
    "s": 57,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38964,
    "c": 0.16905,
    "h": 272.3
  },
  "luminance": 0.05316
}

Semantic roles & 50–950 ramp

primary

#2B339D

secondary

#BDB766

accent

#D648E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2B339D

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

Preview Lab → · Contrast checker → · Palette generator →