#2F3683#2F3683

#2F3683 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.128 H 274.5°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#2F3683
RGB	rgb(47, 54, 131)
HSL	hsl(235, 47%, 35%)
HSV	hsv(235, 64%, 51%)
CMYK	cmyk(64.1%, 58.8%, 0%, 48.6%)
CIE-LAB	lab(26.39, 22.65, -44.38)
CIE-LCH	lch(26.39, 49.83, 297.04°)
OKLab	oklab(37.44% 0.01 -0.1275)
OKLCH	oklch(37.44% 0.128 274.5)
XYZ	xyz(6.5868, 4.8808, 22.0633)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3683 #837C2F

analogous

#2F6083 #2F3683 #522F83

triadic

#2F3683 #832F36 #36832F

tetradic

#2F3683 #832F60 #837C2F #2F8352

square

#2F3683 #832F60 #837C2F #2F8352

split-complementary

#2F3683 #83522F #60832F

monochromatic

#0F1129 #1F2356 #2F3683 #3F49B0 #656DC8

Accessibility & contrast

On white

10.63

#2F3683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2F3683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3683

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3683	#FFFFFF	#000000	##FFFFFF
##2F3683	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004286

Deuteranopia (green-blind)

#003B81

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f3683;
/* rgb */ color: rgb(47, 54, 131);
/* oklch */ color: oklch(37.4% 0.128 274.5);

Tailwind

colors: {
  custom: {
    50: '#716da8',
    500: '#2f3683',
    950: '#000000',
  },
}

SCSS

$custom: #2f3683;
$custom-light: #716da8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3683",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 131
  },
  "hsl": {
    "h": 235,
    "s": 47.191,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37438,
    "c": 0.12792,
    "h": 274.5
  },
  "luminance": 0.04881
}

Semantic roles & 50–950 ramp

primary

#2F3683

secondary

#AFA85F

accent

#CC51D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2F3683

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

Preview Lab → · Contrast checker → · Palette generator →