#2F2FAB#2F2FAB

#2F2FAB is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.0% C 0.191 H 273.6°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#2F2FAB
RGB	rgb(47, 47, 171)
HSL	hsl(240, 57%, 43%)
HSV	hsv(240, 73%, 67%)
CMYK	cmyk(72.5%, 72.5%, 0%, 32.9%)
CIE-LAB	lab(28.32, 41.31, -65.74)
CIE-LCH	lch(28.32, 77.64, 302.15°)
OKLab	oklab(39.95% 0.012 -0.1901)
OKLCH	oklch(39.95% 0.191 273.6)
XYZ	xyz(9.5370, 5.5767, 39.0940)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F2FAB #ABAB2F

analogous

#2F6DAB #2F2FAB #6D2FAB

triadic

#2F2FAB #AB2F2F #2FAB2F

tetradic

#2F2FAB #AB2F6D #ABAB2F #2FAB6D

square

#2F2FAB #AB2F6D #ABAB2F #2FAB6D

split-complementary

#2F2FAB #AB6D2F #6DAB2F

monochromatic

#15154B #22227B #2F2FAB #4A4ACD #7A7ADA

Accessibility & contrast

On white

9.93

#2F2FAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2F2FAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F2FAB

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F2FAB	#FFFFFF	#000000	##FFFFFF
##2F2FAB	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AF

Deuteranopia (green-blind)

#003DA9

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2f2fab;
/* rgb */ color: rgb(47, 47, 171);
/* oklch */ color: oklch(40.0% 0.191 273.6);

Tailwind

colors: {
  custom: {
    50: '#7b69c5',
    500: '#2f2fab',
    950: '#000000',
  },
}

SCSS

$custom: #2f2fab;
$custom-light: #7b69c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f2fab",
  "rgb": {
    "r": 47,
    "g": 47,
    "b": 171
  },
  "hsl": {
    "h": 240,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.3995,
    "c": 0.19052,
    "h": 273.6
  },
  "luminance": 0.05578
}

Semantic roles & 50–950 ramp

primary

#2F2FAB

secondary

#C3C373

accent

#E048E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F2FAB

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

Preview Lab → · Contrast checker → · Palette generator →