#2F3383#2F3383

#2F3383 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.132 H 275.6°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#2F3383
RGB	rgb(47, 51, 131)
HSL	hsl(237, 47%, 35%)
HSV	hsv(237, 64%, 51%)
CMYK	cmyk(64.1%, 61.1%, 0%, 48.6%)
CIE-LAB	lab(25.59, 24.67, -45.68)
CIE-LCH	lch(25.59, 51.92, 298.38°)
OKLab	oklab(36.85% 0.013 -0.1314)
OKLCH	oklch(36.85% 0.132 275.6)
XYZ	xyz(6.4515, 4.6102, 22.0182)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3383 #837F2F

analogous

#2F5D83 #2F3383 #552F83

triadic

#2F3383 #832F33 #33832F

tetradic

#2F3383 #832F5D #837F2F #2F8355

square

#2F3383 #832F5D #837F2F #2F8355

split-complementary

#2F3383 #83552F #5D832F

monochromatic

#0F1029 #1F2156 #2F3383 #3F45B0 #6569C8

Accessibility & contrast

On white

10.92

#2F3383 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2F3383 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3383

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3383	#FFFFFF	#000000	##FFFFFF
##2F3383	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004086

Deuteranopia (green-blind)

#003981

Tritanopia (blue-blind)

#004656

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2f3383;
/* rgb */ color: rgb(47, 51, 131);
/* oklch */ color: oklch(36.8% 0.132 275.6);

Tailwind

colors: {
  custom: {
    50: '#716aa8',
    500: '#2f3383',
    950: '#000000',
  },
}

SCSS

$custom: #2f3383;
$custom-light: #716aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3383",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 131
  },
  "hsl": {
    "h": 237.143,
    "s": 47.191,
    "l": 34.902
  },
  "oklch": {
    "l": 0.36845,
    "c": 0.13202,
    "h": 275.6
  },
  "luminance": 0.04611
}

Semantic roles & 50–950 ramp

primary

#2F3383

secondary

#AFAB5F

accent

#D051D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2F3383

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

Preview Lab → · Contrast checker → · Palette generator →