#2F3591#2F3591

#2F3591 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.5% C 0.149 H 274.1°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#2F3591
RGB	rgb(47, 53, 145)
HSL	hsl(236, 51%, 38%)
HSV	hsv(236, 68%, 57%)
CMYK	cmyk(67.6%, 63.4%, 0%, 43.1%)
CIE-LAB	lab(27.28, 28.42, -51.63)
CIE-LCH	lch(27.28, 58.93, 298.83°)
OKLab	oklab(38.46% 0.0107 -0.1488)
OKLCH	oklch(38.46% 0.149 274.1)
XYZ	xyz(7.5545, 5.1942, 27.3870)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3591 #918B2F

analogous

#2F6691 #2F3591 #5A2F91

triadic

#2F3591 #912F35 #35912F

tetradic

#2F3591 #912F66 #918B2F #2F915A

square

#2F3591 #912F66 #918B2F #2F915A

split-complementary

#2F3591 #915A2F #66912F

monochromatic

#111335 #202463 #2F3591 #3E46BF #6B71CF

Accessibility & contrast

On white

10.30

#2F3591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2F3591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3591

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3591	#FFFFFF	#000000	##FFFFFF
##2F3591	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004594

Deuteranopia (green-blind)

#003C8F

Tritanopia (blue-blind)

#004C5E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2f3591;
/* rgb */ color: rgb(47, 53, 145);
/* oklch */ color: oklch(38.5% 0.149 274.1);

Tailwind

colors: {
  custom: {
    50: '#746cb2',
    500: '#2f3591',
    950: '#000000',
  },
}

SCSS

$custom: #2f3591;
$custom-light: #746cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3591",
  "rgb": {
    "r": 47,
    "g": 53,
    "b": 145
  },
  "hsl": {
    "h": 236.327,
    "s": 51.042,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38456,
    "c": 0.14921,
    "h": 274.1
  },
  "luminance": 0.05195
}

Semantic roles & 50–950 ramp

primary

#2F3591

secondary

#B6B165

accent

#D24DDB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3591

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

Preview Lab → · Contrast checker → · Palette generator →