#2F3C84#2F3C84

#2F3C84 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.8% C 0.121 H 271.9°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#2F3C84
RGB	rgb(47, 60, 132)
HSL	hsl(231, 47%, 35%)
HSV	hsv(231, 64%, 52%)
CMYK	cmyk(64.4%, 54.5%, 0%, 48.2%)
CIE-LAB	lab(28.12, 18.94, -42.21)
CIE-LCH	lch(28.12, 46.27, 294.16°)
OKLab	oklab(38.75% 0.004 -0.1211)
OKLCH	oklch(38.75% 0.121 271.9)
XYZ	xyz(6.9516, 5.5014, 22.5209)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3C84 #84772F

analogous

#2F6684 #2F3C84 #4D2F84

triadic

#2F3C84 #842F3C #3C842F

tetradic

#2F3C84 #842F66 #84772F #2F844D

square

#2F3C84 #842F66 #84772F #2F844D

split-complementary

#2F3C84 #844D2F #66842F

monochromatic

#0F132A #1F2757 #2F3C84 #3F51B1 #6574C8

Accessibility & contrast

On white

10.00

#2F3C84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2F3C84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3C84

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3C84	#FFFFFF	#000000	##FFFFFF
##2F3C84	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4687

Deuteranopia (green-blind)

#003F83

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f3c84;
/* rgb */ color: rgb(47, 60, 132);
/* oklch */ color: oklch(38.8% 0.121 271.9);

Tailwind

colors: {
  custom: {
    50: '#7171a8',
    500: '#2f3c84',
    950: '#000000',
  },
}

SCSS

$custom: #2f3c84;
$custom-light: #7171a8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3c84",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 132
  },
  "hsl": {
    "h": 230.824,
    "s": 47.486,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38754,
    "c": 0.12114,
    "h": 271.9
  },
  "luminance": 0.05502
}

Semantic roles & 50–950 ramp

primary

#2F3C84

secondary

#AFA360

accent

#C351D7

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2F3C84

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

Preview Lab → · Contrast checker → · Palette generator →