#2F3DB4#2F3DB4

#2F3DB4 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.1% C 0.187 H 270.8°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#2F3DB4
RGB	rgb(47, 61, 180)
HSL	hsl(234, 59%, 45%)
HSV	hsv(234, 74%, 71%)
CMYK	cmyk(73.9%, 66.1%, 0%, 29.4%)
CIE-LAB	lab(32.34, 35.87, -64.50)
CIE-LCH	lch(32.34, 73.81, 299.08°)
OKLab	oklab(43.11% 0.0027 -0.1865)
OKLCH	oklch(43.11% 0.187 270.8)
XYZ	xyz(11.0764, 7.2360, 43.9841)
Luminance	0.0724 (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

#2F3DB4 #B4A62F

analogous

#2F80B4 #2F3DB4 #642FB4

triadic

#2F3DB4 #B42F3D #3DB42F

tetradic

#2F3DB4 #B42F80 #B4A62F #2FB464

square

#2F3DB4 #B42F80 #B4A62F #2FB464

split-complementary

#2F3DB4 #B4642F #80B42F

monochromatic

#161C53 #222D83 #2F3DB4 #4F5DD1 #808ADE

Accessibility & contrast

On white

8.58

#2F3DB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2F3DB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3DB4

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3DB4	#FFFFFF	#000000	##FFFFFF
##2F3DB4	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B8

Deuteranopia (green-blind)

#0046B2

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f3db4;
/* rgb */ color: rgb(47, 61, 180);
/* oklch */ color: oklch(43.1% 0.187 270.8);

Tailwind

colors: {
  custom: {
    50: '#7b72cc',
    500: '#2f3db4',
    950: '#000000',
  },
}

SCSS

$custom: #2f3db4;
$custom-light: #7b72cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3db4",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 180
  },
  "hsl": {
    "h": 233.684,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.43115,
    "c": 0.18654,
    "h": 270.8
  },
  "luminance": 0.07237
}

Semantic roles & 50–950 ramp

primary

#2F3DB4

secondary

#C7BE78

accent

#D146E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F3DB4

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

Preview Lab → · Contrast checker → · Palette generator →