#2B319E#2B319E

#2B319E is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.7% C 0.173 H 272.6°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#2B319E
RGB	rgb(43, 49, 158)
HSL	hsl(237, 57%, 39%)
HSV	hsv(237, 73%, 62%)
CMYK	cmyk(72.8%, 69%, 0%, 38%)
CIE-LAB	lab(27.24, 35.15, -59.67)
CIE-LCH	lch(27.24, 69.25, 300.50°)
OKLab	oklab(38.72% 0.0079 -0.1725)
OKLCH	oklch(38.72% 0.173 272.6)
XYZ	xyz(8.2641, 5.1780, 32.9051)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B319E #9E982B

analogous

#2B6A9E #2B319E #5F2B9E

triadic

#2B319E #9E2B31 #319E2B

tetradic

#2B319E #9E2B6A #9E982B #2B9E5F

square

#2B319E #9E2B6A #9E982B #2B9E5F

split-complementary

#2B319E #9E5F2B #6A9E2B

monochromatic

#11133E #1E226E #2B319E #3C44CA #6C72D7

Accessibility & contrast

On white

10.32

#2B319E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2B319E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B319E

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B319E	#FFFFFF	#000000	##FFFFFF
##2B319E	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A1

Deuteranopia (green-blind)

#003B9C

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b319e;
/* rgb */ color: rgb(43, 49, 158);
/* oklch */ color: oklch(38.7% 0.173 272.6);

Tailwind

colors: {
  custom: {
    50: '#7669bc',
    500: '#2b319e',
    950: '#000000',
  },
}

SCSS

$custom: #2b319e;
$custom-light: #7669bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b319e",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 158
  },
  "hsl": {
    "h": 236.87,
    "s": 57.214,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38719,
    "c": 0.1727,
    "h": 272.6
  },
  "luminance": 0.05179
}

Semantic roles & 50–950 ramp

primary

#2B319E

secondary

#BEB967

accent

#D847E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2B319E

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

Preview Lab → · Contrast checker → · Palette generator →