#2F3386#2F3386

#2F3386 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.1% C 0.136 H 275.4°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#2F3386
RGB	rgb(47, 51, 134)
HSL	hsl(237, 48%, 35%)
HSV	hsv(237, 65%, 53%)
CMYK	cmyk(64.9%, 61.9%, 0%, 47.5%)
CIE-LAB	lab(25.84, 25.76, -47.15)
CIE-LCH	lch(25.84, 53.73, 298.65°)
OKLab	oklab(37.1% 0.0129 -0.1357)
OKLCH	oklch(37.1% 0.136 275.4)
XYZ	xyz(6.6578, 4.6927, 23.1046)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3386 #86822F

analogous

#2F5F86 #2F3386 #562F86

triadic

#2F3386 #862F33 #33862F

tetradic

#2F3386 #862F5F #86822F #2F8656

square

#2F3386 #862F5F #86822F #2F8656

split-complementary

#2F3386 #86562F #5F862F

monochromatic

#0F112B #1F2259 #2F3386 #3F44B3 #666BC9

Accessibility & contrast

On white

10.83

#2F3386 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2F3386 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3386

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3386	#FFFFFF	#000000	##FFFFFF
##2F3386	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004189

Deuteranopia (green-blind)

#003984

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2f3386;
/* rgb */ color: rgb(47, 51, 134);
/* oklch */ color: oklch(37.1% 0.136 275.4);

Tailwind

colors: {
  custom: {
    50: '#726aaa',
    500: '#2f3386',
    950: '#000000',
  },
}

SCSS

$custom: #2f3386;
$custom-light: #726aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3386",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 134
  },
  "hsl": {
    "h": 237.241,
    "s": 48.066,
    "l": 35.49
  },
  "oklch": {
    "l": 0.37105,
    "c": 0.13632,
    "h": 275.4
  },
  "luminance": 0.04693
}

Semantic roles & 50–950 ramp

primary

#2F3386

secondary

#B0AD60

accent

#D150D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2F3386

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

Preview Lab → · Contrast checker → · Palette generator →