#2F3DB7#2F3DB7

#2F3DB7 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.4% C 0.190 H 270.7°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#2F3DB7
RGB	rgb(47, 61, 183)
HSL	hsl(234, 59%, 45%)
HSV	hsv(234, 74%, 72%)
CMYK	cmyk(74.3%, 66.7%, 0%, 28.2%)
CIE-LAB	lab(32.61, 36.94, -65.83)
CIE-LCH	lch(32.61, 75.49, 299.30°)
OKLab	oklab(43.4% 0.0025 -0.1904)
OKLCH	oklch(43.4% 0.19 270.7)
XYZ	xyz(11.3854, 7.3595, 45.6111)
Luminance	0.0736 (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

#2F3DB7 #B7A92F

analogous

#2F81B7 #2F3DB7 #652FB7

triadic

#2F3DB7 #B72F3D #3DB72F

tetradic

#2F3DB7 #B72F81 #B7A92F #2FB765

square

#2F3DB7 #B72F81 #B7A92F #2FB765

split-complementary

#2F3DB7 #B7652F #81B72F

monochromatic

#161D56 #222D86 #2F3DB7 #515ED2 #828BDF

Accessibility & contrast

On white

8.49

#2F3DB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2F3DB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3DB7

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3DB7	#FFFFFF	#000000	##FFFFFF
##2F3DB7	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BB

Deuteranopia (green-blind)

#0046B5

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f3db7;
/* rgb */ color: rgb(47, 61, 183);
/* oklch */ color: oklch(43.4% 0.190 270.7);

Tailwind

colors: {
  custom: {
    50: '#7c73ce',
    500: '#2f3db7',
    950: '#000000',
  },
}

SCSS

$custom: #2f3db7;
$custom-light: #7c73ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3db7",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 183
  },
  "hsl": {
    "h": 233.824,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.43398,
    "c": 0.19043,
    "h": 270.7
  },
  "luminance": 0.07361
}

Semantic roles & 50–950 ramp

primary

#2F3DB7

secondary

#C8C07A

accent

#D245E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2F3DB7

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

Preview Lab → · Contrast checker → · Palette generator →