#2F3BAD#2F3BAD

#2F3BAD is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.1% C 0.180 H 271.4°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#2F3BAD
RGB	rgb(47, 59, 173)
HSL	hsl(234, 57%, 43%)
HSV	hsv(234, 73%, 68%)
CMYK	cmyk(72.8%, 65.9%, 0%, 32.2%)
CIE-LAB	lab(31.23, 34.63, -62.16)
CIE-LCH	lch(31.23, 71.15, 299.13°)
OKLab	oklab(42.11% 0.0045 -0.1797)
OKLCH	oklch(42.11% 0.18 271.4)
XYZ	xyz(10.2765, 6.7484, 40.2880)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.10

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3BAD #ADA12F

analogous

#2F7AAD #2F3BAD #622FAD

triadic

#2F3BAD #AD2F3B #3BAD2F

tetradic

#2F3BAD #AD2F7A #ADA12F #2FAD62

square

#2F3BAD #AD2F7A #ADA12F #2FAD62

split-complementary

#2F3BAD #AD622F #7AAD2F

monochromatic

#151A4D #222B7D #2F3BAD #4B58CE #7B84DB

Accessibility & contrast

On white

8.94

#2F3BAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2F3BAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3BAD

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3BAD	#FFFFFF	#000000	##FFFFFF
##2F3BAD	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB1

Deuteranopia (green-blind)

#0044AB

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f3bad;
/* rgb */ color: rgb(47, 59, 173);
/* oklch */ color: oklch(42.1% 0.180 271.4);

Tailwind

colors: {
  custom: {
    50: '#7a71c6',
    500: '#2f3bad',
    950: '#000000',
  },
}

SCSS

$custom: #2f3bad;
$custom-light: #7a71c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3bad",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 173
  },
  "hsl": {
    "h": 234.286,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4211,
    "c": 0.17972,
    "h": 271.4
  },
  "luminance": 0.06749
}

Semantic roles & 50–950 ramp

primary

#2F3BAD

secondary

#C4BC74

accent

#D247E1

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F3BAD

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

Preview Lab → · Contrast checker → · Palette generator →