#2F3583#2F3583

#2F3583 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.2% C 0.129 H 274.9°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#2F3583
RGB	rgb(47, 53, 131)
HSL	hsl(236, 47%, 35%)
HSV	hsv(236, 64%, 51%)
CMYK	cmyk(64.1%, 59.5%, 0%, 48.6%)
CIE-LAB	lab(26.12, 23.33, -44.82)
CIE-LCH	lch(26.12, 50.52, 297.50°)
OKLab	oklab(37.24% 0.011 -0.1288)
OKLCH	oklch(37.24% 0.129 274.9)
XYZ	xyz(6.5408, 4.7887, 22.0480)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3583 #837D2F

analogous

#2F5F83 #2F3583 #532F83

triadic

#2F3583 #832F35 #35832F

tetradic

#2F3583 #832F5F #837D2F #2F8353

square

#2F3583 #832F5F #837D2F #2F8353

split-complementary

#2F3583 #83532F #5F832F

monochromatic

#0F1129 #1F2356 #2F3583 #3F47B0 #656CC8

Accessibility & contrast

On white

10.73

#2F3583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2F3583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3583

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3583	#FFFFFF	#000000	##FFFFFF
##2F3583	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004286

Deuteranopia (green-blind)

#003A81

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f3583;
/* rgb */ color: rgb(47, 53, 131);
/* oklch */ color: oklch(37.2% 0.129 274.9);

Tailwind

colors: {
  custom: {
    50: '#716ca8',
    500: '#2f3583',
    950: '#000000',
  },
}

SCSS

$custom: #2f3583;
$custom-light: #716ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3583",
  "rgb": {
    "r": 47,
    "g": 53,
    "b": 131
  },
  "hsl": {
    "h": 235.714,
    "s": 47.191,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37238,
    "c": 0.12929,
    "h": 274.9
  },
  "luminance": 0.04789
}

Semantic roles & 50–950 ramp

primary

#2F3583

secondary

#AFA95F

accent

#CD51D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2F3583

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

Preview Lab → · Contrast checker → · Palette generator →