#2F3C9F#2F3C9F

#2F3C9F is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.0% C 0.160 H 271.6°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#2F3C9F
RGB	rgb(47, 60, 159)
HSL	hsl(233, 54%, 40%)
HSV	hsv(233, 70%, 62%)
CMYK	cmyk(70.4%, 62.3%, 0%, 37.6%)
CIE-LAB	lab(30.25, 28.91, -55.33)
CIE-LCH	lch(30.25, 62.43, 297.59°)
OKLab	oklab(41.02% 0.0045 -0.1596)
OKLCH	oklch(41.02% 0.16 271.6)
XYZ	xyz(9.0440, 6.3384, 33.5410)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3C9F #9F922F

analogous

#2F749F #2F3C9F #5A2F9F

triadic

#2F3C9F #9F2F3C #3C9F2F

tetradic

#2F3C9F #9F2F74 #9F922F #2F9F5A

square

#2F3C9F #9F2F74 #9F922F #2F9F5A

split-complementary

#2F3C9F #9F5A2F #749F2F

monochromatic

#131841 #212A70 #2F3C9F #4453C8 #737ED6

Accessibility & contrast

On white

9.26

#2F3C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2F3C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3C9F

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3C9F	#FFFFFF	#000000	##FFFFFF
##2F3C9F	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA2

Deuteranopia (green-blind)

#00429D

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f3c9f;
/* rgb */ color: rgb(47, 60, 159);
/* oklch */ color: oklch(41.0% 0.160 271.6);

Tailwind

colors: {
  custom: {
    50: '#7771bc',
    500: '#2f3c9f',
    950: '#000000',
  },
}

SCSS

$custom: #2f3c9f;
$custom-light: #7771bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3c9f",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 159
  },
  "hsl": {
    "h": 233.036,
    "s": 54.369,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41015,
    "c": 0.1597,
    "h": 271.6
  },
  "luminance": 0.06339
}

Semantic roles & 50–950 ramp

primary

#2F3C9F

secondary

#BDB46D

accent

#CD4ADE

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3C9F

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

Preview Lab → · Contrast checker → · Palette generator →