#2F3684#2F3684

#2F3684 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.129 H 274.4°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#2F3684
RGB	rgb(47, 54, 132)
HSL	hsl(235, 47%, 35%)
HSV	hsv(235, 64%, 52%)
CMYK	cmyk(64.4%, 59.1%, 0%, 48.2%)
CIE-LAB	lab(26.47, 23.01, -44.88)
CIE-LCH	lch(26.47, 50.44, 297.15°)
OKLab	oklab(37.52% 0.01 -0.129)
OKLCH	oklch(37.52% 0.129 274.4)
XYZ	xyz(6.6549, 4.9081, 22.4220)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3684 #847D2F

analogous

#2F6084 #2F3684 #532F84

triadic

#2F3684 #842F36 #36842F

tetradic

#2F3684 #842F60 #847D2F #2F8453

square

#2F3684 #842F60 #847D2F #2F8453

split-complementary

#2F3684 #84532F #60842F

monochromatic

#0F112A #1F2457 #2F3684 #3F48B1 #656DC8

Accessibility & contrast

On white

10.60

#2F3684 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2F3684 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3684

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3684	#FFFFFF	#000000	##FFFFFF
##2F3684	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004287

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f3684;
/* rgb */ color: rgb(47, 54, 132);
/* oklch */ color: oklch(37.5% 0.129 274.4);

Tailwind

colors: {
  custom: {
    50: '#716da8',
    500: '#2f3684',
    950: '#000000',
  },
}

SCSS

$custom: #2f3684;
$custom-light: #716da8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3684",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 132
  },
  "hsl": {
    "h": 235.059,
    "s": 47.486,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37521,
    "c": 0.12939,
    "h": 274.4
  },
  "luminance": 0.04909
}

Semantic roles & 50–950 ramp

primary

#2F3684

secondary

#AFA960

accent

#CC51D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2F3684

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

Preview Lab → · Contrast checker → · Palette generator →