#2F3EB8#2F3EB8

#2F3EB8 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.7% C 0.191 H 270.5°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#2F3EB8
RGB	rgb(47, 62, 184)
HSL	hsl(233, 59%, 45%)
HSV	hsv(233, 74%, 72%)
CMYK	cmyk(74.5%, 66.3%, 0%, 27.8%)
CIE-LAB	lab(32.94, 36.67, -65.89)
CIE-LCH	lch(32.94, 75.40, 299.10°)
OKLab	oklab(43.67% 0.0018 -0.1906)
OKLCH	oklch(43.67% 0.191 270.5)
XYZ	xyz(11.5437, 7.5091, 46.1791)
Luminance	0.0751 (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

#2F3EB8 #B8A92F

analogous

#2F82B8 #2F3EB8 #652FB8

triadic

#2F3EB8 #B82F3E #3EB82F

tetradic

#2F3EB8 #B82F82 #B8A92F #2FB865

square

#2F3EB8 #B82F82 #B8A92F #2FB865

split-complementary

#2F3EB8 #B8652F #82B82F

monochromatic

#161D57 #232E87 #2F3EB8 #5260D3 #828CDF

Accessibility & contrast

On white

8.39

#2F3EB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2F3EB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3EB8

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3EB8	#FFFFFF	#000000	##FFFFFF
##2F3EB8	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BC

Deuteranopia (green-blind)

#0047B6

Tritanopia (blue-blind)

#005F75

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f3eb8;
/* rgb */ color: rgb(47, 62, 184);
/* oklch */ color: oklch(43.7% 0.191 270.5);

Tailwind

colors: {
  custom: {
    50: '#7c73ce',
    500: '#2f3eb8',
    950: '#000000',
  },
}

SCSS

$custom: #2f3eb8;
$custom-light: #7c73ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3eb8",
  "rgb": {
    "r": 47,
    "g": 62,
    "b": 184
  },
  "hsl": {
    "h": 233.431,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.43665,
    "c": 0.19057,
    "h": 270.5
  },
  "luminance": 0.0751
}

Semantic roles & 50–950 ramp

primary

#2F3EB8

secondary

#C8C07B

accent

#D145E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2F3EB8

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

Preview Lab → · Contrast checker → · Palette generator →