#2F3CA9#2F3CA9

#2F3CA9 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.9% C 0.173 H 271.4°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#2F3CA9
RGB	rgb(47, 60, 169)
HSL	hsl(234, 56%, 42%)
HSV	hsv(234, 72%, 66%)
CMYK	cmyk(72.2%, 64.5%, 0%, 33.7%)
CIE-LAB	lab(31.11, 32.55, -59.95)
CIE-LCH	lch(31.11, 68.22, 298.50°)
OKLab	oklab(41.92% 0.0041 -0.1732)
OKLCH	oklch(41.92% 0.173 271.4)
XYZ	xyz(9.9472, 6.6996, 38.2974)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3CA9 #A99C2F

analogous

#2F79A9 #2F3CA9 #5F2FA9

triadic

#2F3CA9 #A92F3C #3CA92F

tetradic

#2F3CA9 #A92F79 #A99C2F #2FA95F

square

#2F3CA9 #A92F79 #A99C2F #2FA95F

split-complementary

#2F3CA9 #A95F2F #79A92F

monochromatic

#141A49 #222B79 #2F3CA9 #4957CC #7983DA

Accessibility & contrast

On white

8.97

#2F3CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2F3CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3CA9

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3CA9	#FFFFFF	#000000	##FFFFFF
##2F3CA9	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAC

Deuteranopia (green-blind)

#0044A7

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f3ca9;
/* rgb */ color: rgb(47, 60, 169);
/* oklch */ color: oklch(41.9% 0.173 271.4);

Tailwind

colors: {
  custom: {
    50: '#7971c4',
    500: '#2f3ca9',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ca9;
$custom-light: #7971c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ca9",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 169
  },
  "hsl": {
    "h": 233.607,
    "s": 56.481,
    "l": 42.353
  },
  "oklch": {
    "l": 0.41917,
    "c": 0.17324,
    "h": 271.4
  },
  "luminance": 0.06701
}

Semantic roles & 50–950 ramp

primary

#2F3CA9

secondary

#C2B972

accent

#D048E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F3CA9

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

Preview Lab → · Contrast checker → · Palette generator →