#2F3791#2F3791

#2F3791 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.8% C 0.147 H 273.5°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#2F3791
RGB	rgb(47, 55, 145)
HSL	hsl(235, 51%, 38%)
HSV	hsv(235, 68%, 57%)
CMYK	cmyk(67.6%, 62.1%, 0%, 43.1%)
CIE-LAB	lab(27.79, 27.10, -50.79)
CIE-LCH	lch(27.79, 57.57, 298.08°)
OKLab	oklab(38.83% 0.009 -0.1464)
OKLCH	oklch(38.83% 0.147 273.5)
XYZ	xyz(7.6476, 5.3804, 27.4181)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3791 #91892F

analogous

#2F6891 #2F3791 #582F91

triadic

#2F3791 #912F37 #37912F

tetradic

#2F3791 #912F68 #91892F #2F9158

square

#2F3791 #912F68 #91892F #2F9158

split-complementary

#2F3791 #91582F #68912F

monochromatic

#111435 #202563 #2F3791 #3E49BF #6B73CF

Accessibility & contrast

On white

10.11

#2F3791 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2F3791 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3791

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3791	#FFFFFF	#000000	##FFFFFF
##2F3791	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004694

Deuteranopia (green-blind)

#003D8F

Tritanopia (blue-blind)

#004D5E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f3791;
/* rgb */ color: rgb(47, 55, 145);
/* oklch */ color: oklch(38.8% 0.147 273.5);

Tailwind

colors: {
  custom: {
    50: '#746db2',
    500: '#2f3791',
    950: '#000000',
  },
}

SCSS

$custom: #2f3791;
$custom-light: #746db2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3791",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 145
  },
  "hsl": {
    "h": 235.102,
    "s": 51.042,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38832,
    "c": 0.14665,
    "h": 273.5
  },
  "luminance": 0.05381
}

Semantic roles & 50–950 ramp

primary

#2F3791

secondary

#B6B065

accent

#CF4DDB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3791

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

Preview Lab → · Contrast checker → · Palette generator →