#2F3AAA#2F3AAA

#2F3AAA is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.7% C 0.177 H 271.7°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#2F3AAA
RGB	rgb(47, 58, 170)
HSL	hsl(235, 57%, 43%)
HSV	hsv(235, 72%, 67%)
CMYK	cmyk(72.4%, 65.9%, 0%, 33.3%)
CIE-LAB	lab(30.72, 34.20, -61.20)
CIE-LCH	lch(30.72, 70.10, 299.20°)
OKLab	oklab(41.65% 0.0054 -0.1769)
OKLCH	oklch(41.65% 0.177 271.7)
XYZ	xyz(9.9386, 6.5317, 38.7594)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.38

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3AAA #AA9F2F

analogous

#2F78AA #2F3AAA #612FAA

triadic

#2F3AAA #AA2F3A #3AAA2F

tetradic

#2F3AAA #AA2F78 #AA9F2F #2FAA61

square

#2F3AAA #AA2F78 #AA9F2F #2FAA61

split-complementary

#2F3AAA #AA612F #78AA2F

monochromatic

#14194A #222A7A #2F3AAA #4955CD #7982DA

Accessibility & contrast

On white

9.10

#2F3AAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2F3AAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3AAA

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3AAA	#FFFFFF	#000000	##FFFFFF
##2F3AAA	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAE

Deuteranopia (green-blind)

#0043A8

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f3aaa;
/* rgb */ color: rgb(47, 58, 170);
/* oklch */ color: oklch(41.7% 0.177 271.7);

Tailwind

colors: {
  custom: {
    50: '#7970c4',
    500: '#2f3aaa',
    950: '#000000',
  },
}

SCSS

$custom: #2f3aaa;
$custom-light: #7970c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3aaa",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 170
  },
  "hsl": {
    "h": 234.634,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.41653,
    "c": 0.17694,
    "h": 271.7
  },
  "luminance": 0.06533
}

Semantic roles & 50–950 ramp

primary

#2F3AAA

secondary

#C2BB72

accent

#D248E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2F3AAA

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

Preview Lab → · Contrast checker → · Palette generator →