#2F3391#2F3391

#2F3391 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.1% C 0.152 H 274.7°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#2F3391
RGB	rgb(47, 51, 145)
HSL	hsl(238, 51%, 38%)
HSV	hsv(238, 68%, 57%)
CMYK	cmyk(67.6%, 64.8%, 0%, 43.1%)
CIE-LAB	lab(26.78, 29.73, -52.44)
CIE-LCH	lch(26.78, 60.29, 299.55°)
OKLab	oklab(38.09% 0.0124 -0.1512)
OKLCH	oklch(38.09% 0.152 274.7)
XYZ	xyz(7.4653, 5.0157, 27.3573)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3391 #918D2F

analogous

#2F6491 #2F3391 #5C2F91

triadic

#2F3391 #912F33 #33912F

tetradic

#2F3391 #912F64 #918D2F #2F915C

square

#2F3391 #912F64 #918D2F #2F915C

split-complementary

#2F3391 #915C2F #64912F

monochromatic

#111235 #202363 #2F3391 #3E43BF #6B6FCF

Accessibility & contrast

On white

10.48

#2F3391 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2F3391 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3391

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3391	#FFFFFF	#000000	##FFFFFF
##2F3391	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004494

Deuteranopia (green-blind)

#003B8F

Tritanopia (blue-blind)

#004B5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f3391;
/* rgb */ color: rgb(47, 51, 145);
/* oklch */ color: oklch(38.1% 0.152 274.7);

Tailwind

colors: {
  custom: {
    50: '#746bb2',
    500: '#2f3391',
    950: '#000000',
  },
}

SCSS

$custom: #2f3391;
$custom-light: #746bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3391",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 145
  },
  "hsl": {
    "h": 237.551,
    "s": 51.042,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38088,
    "c": 0.15176,
    "h": 274.7
  },
  "luminance": 0.05016
}

Semantic roles & 50–950 ramp

primary

#2F3391

secondary

#B6B365

accent

#D54DDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2F3391

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

Preview Lab → · Contrast checker → · Palette generator →