#2F3491#2F3491

#2F3491 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.3% C 0.150 H 274.4°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#2F3491
RGB	rgb(47, 52, 145)
HSL	hsl(237, 51%, 38%)
HSV	hsv(237, 68%, 57%)
CMYK	cmyk(67.6%, 64.1%, 0%, 43.1%)
CIE-LAB	lab(27.03, 29.08, -52.04)
CIE-LCH	lch(27.03, 59.61, 299.20°)
OKLab	oklab(38.27% 0.0116 -0.15)
OKLCH	oklch(38.27% 0.15 274.4)
XYZ	xyz(7.5094, 5.1040, 27.3720)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3491 #918C2F

analogous

#2F6591 #2F3491 #5B2F91

triadic

#2F3491 #912F34 #34912F

tetradic

#2F3491 #912F65 #918C2F #2F915B

square

#2F3491 #912F65 #918C2F #2F915B

split-complementary

#2F3491 #915B2F #65912F

monochromatic

#111335 #202363 #2F3491 #3E45BF #6B70CF

Accessibility & contrast

On white

10.39

#2F3491 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2F3491 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3491

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3491	#FFFFFF	#000000	##FFFFFF
##2F3491	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004494

Deuteranopia (green-blind)

#003C8F

Tritanopia (blue-blind)

#004C5D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2f3491;
/* rgb */ color: rgb(47, 52, 145);
/* oklch */ color: oklch(38.3% 0.150 274.4);

Tailwind

colors: {
  custom: {
    50: '#746bb2',
    500: '#2f3491',
    950: '#000000',
  },
}

SCSS

$custom: #2f3491;
$custom-light: #746bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3491",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 145
  },
  "hsl": {
    "h": 236.939,
    "s": 51.042,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38271,
    "c": 0.15049,
    "h": 274.4
  },
  "luminance": 0.05105
}

Semantic roles & 50–950 ramp

primary

#2F3491

secondary

#B6B265

accent

#D34DDB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2F3491

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

Preview Lab → · Contrast checker → · Palette generator →