#2F3BAE#2F3BAE

#2F3BAE is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.181 H 271.4°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#2F3BAE
RGB	rgb(47, 59, 174)
HSL	hsl(234, 57%, 43%)
HSV	hsv(234, 73%, 68%)
CMYK	cmyk(73%, 66.1%, 0%, 31.8%)
CIE-LAB	lab(31.32, 34.99, -62.61)
CIE-LCH	lch(31.32, 71.72, 299.20°)
OKLab	oklab(42.2% 0.0044 -0.181)
OKLCH	oklch(42.2% 0.181 271.4)
XYZ	xyz(10.3736, 6.7872, 40.7995)
Luminance	0.0679 (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

#2F3BAE #AEA22F

analogous

#2F7AAE #2F3BAE #622FAE

triadic

#2F3BAE #AE2F3B #3BAE2F

tetradic

#2F3BAE #AE2F7A #AEA22F #2FAE62

square

#2F3BAE #AE2F7A #AEA22F #2FAE62

split-complementary

#2F3BAE #AE622F #7AAE2F

monochromatic

#151A4E #222B7E #2F3BAE #4C58CF #7C85DC

Accessibility & contrast

On white

8.91

#2F3BAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#2F3BAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3BAE

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3BAE	#FFFFFF	#000000	##FFFFFF
##2F3BAE	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B2

Deuteranopia (green-blind)

#0044AC

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f3bae;
/* rgb */ color: rgb(47, 59, 174);
/* oklch */ color: oklch(42.2% 0.181 271.4);

Tailwind

colors: {
  custom: {
    50: '#7a71c7',
    500: '#2f3bae',
    950: '#000000',
  },
}

SCSS

$custom: #2f3bae;
$custom-light: #7a71c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3bae",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 174
  },
  "hsl": {
    "h": 234.331,
    "s": 57.466,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42203,
    "c": 0.18103,
    "h": 271.4
  },
  "luminance": 0.06788
}

Semantic roles & 50–950 ramp

primary

#2F3BAE

secondary

#C4BD75

accent

#D247E1

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F3BAE

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

Preview Lab → · Contrast checker → · Palette generator →