#2B319B#2B319B

#2B319B is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.4% C 0.169 H 272.8°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#2B319B
RGB	rgb(43, 49, 155)
HSL	hsl(237, 57%, 39%)
HSV	hsv(237, 72%, 61%)
CMYK	cmyk(72.3%, 68.4%, 0%, 39.2%)
CIE-LAB	lab(26.95, 34.07, -58.31)
CIE-LCH	lch(26.95, 67.54, 300.30°)
OKLab	oklab(38.42% 0.0082 -0.1685)
OKLCH	oklch(38.42% 0.169 272.8)
XYZ	xyz(8.0090, 5.0760, 31.5617)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B319B #9B952B

analogous

#2B699B #2B319B #5D2B9B

triadic

#2B319B #9B2B31 #319B2B

tetradic

#2B319B #9B2B69 #9B952B #2B9B5D

square

#2B319B #9B2B69 #9B952B #2B9B5D

split-complementary

#2B319B #9B5D2B #699B2B

monochromatic

#10133B #1E226B #2B319B #3B42C9 #6B70D6

Accessibility & contrast

On white

10.42

#2B319B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2B319B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B319B

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B319B	#FFFFFF	#000000	##FFFFFF
##2B319B	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459E

Deuteranopia (green-blind)

#003A99

Tritanopia (blue-blind)

#004D62

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b319b;
/* rgb */ color: rgb(43, 49, 155);
/* oklch */ color: oklch(38.4% 0.169 272.8);

Tailwind

colors: {
  custom: {
    50: '#7569b9',
    500: '#2b319b',
    950: '#000000',
  },
}

SCSS

$custom: #2b319b;
$custom-light: #7569b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b319b",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 155
  },
  "hsl": {
    "h": 236.786,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.38425,
    "c": 0.16874,
    "h": 272.8
  },
  "luminance": 0.05077
}

Semantic roles & 50–950 ramp

primary

#2B319B

secondary

#BCB865

accent

#D848E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2B319B

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

Preview Lab → · Contrast checker → · Palette generator →