#2F3AAD#2F3AAD

#2F3AAD is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.9% C 0.181 H 271.6°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#2F3AAD
RGB	rgb(47, 58, 173)
HSL	hsl(235, 57%, 43%)
HSV	hsv(235, 73%, 68%)
CMYK	cmyk(72.8%, 66.5%, 0%, 32.2%)
CIE-LAB	lab(30.99, 35.27, -62.55)
CIE-LCH	lch(30.99, 71.81, 299.42°)
OKLab	oklab(41.94% 0.0052 -0.1808)
OKLCH	oklch(41.94% 0.181 271.6)
XYZ	xyz(10.2256, 6.6465, 40.2711)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3AAD #ADA22F

analogous

#2F79AD #2F3AAD #632FAD

triadic

#2F3AAD #AD2F3A #3AAD2F

tetradic

#2F3AAD #AD2F79 #ADA22F #2FAD63

square

#2F3AAD #AD2F79 #ADA22F #2FAD63

split-complementary

#2F3AAD #AD632F #79AD2F

monochromatic

#151A4D #222A7D #2F3AAD #4B57CE #7B84DB

Accessibility & contrast

On white

9.01

#2F3AAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2F3AAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3AAD

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3AAD	#FFFFFF	#000000	##FFFFFF
##2F3AAD	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB1

Deuteranopia (green-blind)

#0043AB

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f3aad;
/* rgb */ color: rgb(47, 58, 173);
/* oklch */ color: oklch(41.9% 0.181 271.6);

Tailwind

colors: {
  custom: {
    50: '#7a70c6',
    500: '#2f3aad',
    950: '#000000',
  },
}

SCSS

$custom: #2f3aad;
$custom-light: #7a70c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3aad",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 173
  },
  "hsl": {
    "h": 234.762,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41935,
    "c": 0.18088,
    "h": 271.6
  },
  "luminance": 0.06648
}

Semantic roles & 50–950 ramp

primary

#2F3AAD

secondary

#C4BD74

accent

#D347E1

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F3AAD

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

Preview Lab → · Contrast checker → · Palette generator →