#2F3C9A#2F3C9A

#2F3C9A is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.153 H 271.7°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#2F3C9A
RGB	rgb(47, 60, 154)
HSL	hsl(233, 53%, 39%)
HSV	hsv(233, 69%, 60%)
CMYK	cmyk(69.5%, 61%, 0%, 39.6%)
CIE-LAB	lab(29.83, 27.08, -52.98)
CIE-LCH	lch(29.83, 59.49, 297.07°)
OKLab	oklab(40.58% 0.0046 -0.1527)
OKLCH	oklch(40.58% 0.153 271.7)
XYZ	xyz(8.6189, 6.1683, 31.3020)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3C9A #9A8D2F

analogous

#2F729A #2F3C9A #572F9A

triadic

#2F3C9A #9A2F3C #3C9A2F

tetradic

#2F3C9A #9A2F72 #9A8D2F #2F9A57

square

#2F3C9A #9A2F72 #9A8D2F #2F9A57

split-complementary

#2F3C9A #9A572F #729A2F

monochromatic

#12173C #212A6B #2F3C9A #4151C5 #707CD3

Accessibility & contrast

On white

9.40

#2F3C9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2F3C9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3C9A

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3C9A	#FFFFFF	#000000	##FFFFFF
##2F3C9A	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9D

Deuteranopia (green-blind)

#004298

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f3c9a;
/* rgb */ color: rgb(47, 60, 154);
/* oklch */ color: oklch(40.6% 0.153 271.7);

Tailwind

colors: {
  custom: {
    50: '#7671b9',
    500: '#2f3c9a',
    950: '#000000',
  },
}

SCSS

$custom: #2f3c9a;
$custom-light: #7671b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3c9a",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 154
  },
  "hsl": {
    "h": 232.71,
    "s": 53.234,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40576,
    "c": 0.1528,
    "h": 271.7
  },
  "luminance": 0.06169
}

Semantic roles & 50–950 ramp

primary

#2F3C9A

secondary

#BBB16A

accent

#CB4BDD

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3C9A

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

Preview Lab → · Contrast checker → · Palette generator →