#2F3DB5#2F3DB5

#2F3DB5 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.2% C 0.188 H 270.8°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#2F3DB5
RGB	rgb(47, 61, 181)
HSL	hsl(234, 59%, 45%)
HSV	hsv(234, 74%, 71%)
CMYK	cmyk(74%, 66.3%, 0%, 29%)
CIE-LAB	lab(32.43, 36.23, -64.95)
CIE-LCH	lch(32.43, 74.37, 299.15°)
OKLab	oklab(43.21% 0.0027 -0.1878)
OKLCH	oklch(43.21% 0.188 270.8)
XYZ	xyz(11.1787, 7.2768, 44.5225)
Luminance	0.0728 (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

#2F3DB5 #B5A72F

analogous

#2F80B5 #2F3DB5 #642FB5

triadic

#2F3DB5 #B52F3D #3DB52F

tetradic

#2F3DB5 #B52F80 #B5A72F #2FB564

square

#2F3DB5 #B52F80 #B5A72F #2FB564

split-complementary

#2F3DB5 #B5642F #80B52F

monochromatic

#161C54 #222D84 #2F3DB5 #505DD1 #808ADE

Accessibility & contrast

On white

8.55

#2F3DB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2F3DB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3DB5

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3DB5	#FFFFFF	#000000	##FFFFFF
##2F3DB5	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0046B3

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f3db5;
/* rgb */ color: rgb(47, 61, 181);
/* oklch */ color: oklch(43.2% 0.188 270.8);

Tailwind

colors: {
  custom: {
    50: '#7c72cc',
    500: '#2f3db5',
    950: '#000000',
  },
}

SCSS

$custom: #2f3db5;
$custom-light: #7c72cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3db5",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 181
  },
  "hsl": {
    "h": 233.731,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43209,
    "c": 0.18784,
    "h": 270.8
  },
  "luminance": 0.07278
}

Semantic roles & 50–950 ramp

primary

#2F3DB5

secondary

#C7BF79

accent

#D246E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2F3DB5

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

Preview Lab → · Contrast checker → · Palette generator →