#2B319C#2B319C

#2B319C is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.5% C 0.170 H 272.7°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#2B319C
RGB	rgb(43, 49, 156)
HSL	hsl(237, 57%, 39%)
HSV	hsv(237, 72%, 61%)
CMYK	cmyk(72.4%, 68.6%, 0%, 38.8%)
CIE-LAB	lab(27.05, 34.43, -58.76)
CIE-LCH	lch(27.05, 68.11, 300.37°)
OKLab	oklab(38.52% 0.0081 -0.1699)
OKLCH	oklch(38.52% 0.17 272.7)
XYZ	xyz(8.0933, 5.1097, 32.0058)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B319C #9C962B

analogous

#2B6A9C #2B319C #5E2B9C

triadic

#2B319C #9C2B31 #319C2B

tetradic

#2B319C #9C2B6A #9C962B #2B9C5E

square

#2B319C #9C2B6A #9C962B #2B9C5E

split-complementary

#2B319C #9C5E2B #6A9C2B

monochromatic

#11133C #1E226C #2B319C #3B43C9 #6B71D6

Accessibility & contrast

On white

10.38

#2B319C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2B319C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B319C

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B319C	#FFFFFF	#000000	##FFFFFF
##2B319C	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459F

Deuteranopia (green-blind)

#003B9A

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b319c;
/* rgb */ color: rgb(43, 49, 156);
/* oklch */ color: oklch(38.5% 0.170 272.7);

Tailwind

colors: {
  custom: {
    50: '#7569ba',
    500: '#2b319c',
    950: '#000000',
  },
}

SCSS

$custom: #2b319c;
$custom-light: #7569ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b319c",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 156
  },
  "hsl": {
    "h": 236.814,
    "s": 56.784,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38522,
    "c": 0.17006,
    "h": 272.7
  },
  "luminance": 0.05111
}

Semantic roles & 50–950 ramp

primary

#2B319C

secondary

#BDB866

accent

#D848E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2B319C

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

Preview Lab → · Contrast checker → · Palette generator →