#2F3AAC#2F3AAC

#2F3AAC is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.8% C 0.180 H 271.7°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#2F3AAC
RGB	rgb(47, 58, 172)
HSL	hsl(235, 57%, 43%)
HSV	hsv(235, 73%, 67%)
CMYK	cmyk(72.7%, 66.3%, 0%, 32.5%)
CIE-LAB	lab(30.90, 34.91, -62.10)
CIE-LCH	lch(30.90, 71.24, 299.34°)
OKLab	oklab(41.84% 0.0052 -0.1795)
OKLCH	oklch(41.84% 0.18 271.7)
XYZ	xyz(10.1292, 6.6080, 39.7634)
Luminance	0.0661 (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

#2F3AAC #ACA12F

analogous

#2F78AC #2F3AAC #622FAC

triadic

#2F3AAC #AC2F3A #3AAC2F

tetradic

#2F3AAC #AC2F78 #ACA12F #2FAC62

square

#2F3AAC #AC2F78 #ACA12F #2FAC62

split-complementary

#2F3AAC #AC622F #78AC2F

monochromatic

#151A4C #222A7C #2F3AAC #4B56CE #7B83DB

Accessibility & contrast

On white

9.04

#2F3AAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2F3AAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3AAC

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3AAC	#FFFFFF	#000000	##FFFFFF
##2F3AAC	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB0

Deuteranopia (green-blind)

#0043AA

Tritanopia (blue-blind)

#00586E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f3aac;
/* rgb */ color: rgb(47, 58, 172);
/* oklch */ color: oklch(41.8% 0.180 271.7);

Tailwind

colors: {
  custom: {
    50: '#7a70c6',
    500: '#2f3aac',
    950: '#000000',
  },
}

SCSS

$custom: #2f3aac;
$custom-light: #7a70c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3aac",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 172
  },
  "hsl": {
    "h": 234.72,
    "s": 57.078,
    "l": 42.941
  },
  "oklch": {
    "l": 0.41841,
    "c": 0.17958,
    "h": 271.7
  },
  "luminance": 0.06609
}

Semantic roles & 50–950 ramp

primary

#2F3AAC

secondary

#C3BC74

accent

#D347E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F3AAC

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

Preview Lab → · Contrast checker → · Palette generator →