#2F3CAE#2F3CAE

#2F3CAE is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.4% C 0.180 H 271.2°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#2F3CAE
RGB	rgb(47, 60, 174)
HSL	hsl(234, 57%, 43%)
HSV	hsv(234, 73%, 68%)
CMYK	cmyk(73%, 65.5%, 0%, 31.8%)
CIE-LAB	lab(31.56, 34.36, -62.21)
CIE-LCH	lch(31.56, 71.07, 298.91°)
OKLab	oklab(42.38% 0.0038 -0.1798)
OKLCH	oklch(42.38% 0.18 271.2)
XYZ	xyz(10.4255, 6.8910, 40.8168)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.05

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3CAE #AEA12F

analogous

#2F7BAE #2F3CAE #612FAE

triadic

#2F3CAE #AE2F3C #3CAE2F

tetradic

#2F3CAE #AE2F7B #AEA12F #2FAE61

square

#2F3CAE #AE2F7B #AEA12F #2FAE61

split-complementary

#2F3CAE #AE612F #7BAE2F

monochromatic

#151B4E #222B7E #2F3CAE #4C59CF #7C86DC

Accessibility & contrast

On white

8.83

#2F3CAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2F3CAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3CAE

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3CAE	#FFFFFF	#000000	##FFFFFF
##2F3CAE	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B2

Deuteranopia (green-blind)

#0044AC

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f3cae;
/* rgb */ color: rgb(47, 60, 174);
/* oklch */ color: oklch(42.4% 0.180 271.2);

Tailwind

colors: {
  custom: {
    50: '#7a72c7',
    500: '#2f3cae',
    950: '#000000',
  },
}

SCSS

$custom: #2f3cae;
$custom-light: #7a72c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3cae",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 174
  },
  "hsl": {
    "h": 233.858,
    "s": 57.466,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42379,
    "c": 0.17986,
    "h": 271.2
  },
  "luminance": 0.06892
}

Semantic roles & 50–950 ramp

primary

#2F3CAE

secondary

#C4BC75

accent

#D147E1

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F3CAE

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

Preview Lab → · Contrast checker → · Palette generator →