#2F2591#2F2591

#2F2591 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.8% C 0.168 H 277.8°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#2F2591
RGB	rgb(47, 37, 145)
HSL	hsl(246, 59%, 36%)
HSV	hsv(246, 74%, 57%)
CMYK	cmyk(67.6%, 74.5%, 0%, 43.1%)
CIE-LAB	lab(23.58, 38.43, -57.70)
CIE-LCH	lch(23.58, 69.32, 303.66°)
OKLab	oklab(35.78% 0.0228 -0.1666)
OKLCH	oklch(35.78% 0.168 277.8)
XYZ	xyz(6.9430, 3.9712, 27.1832)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F2591 #879125

analogous

#255191 #2F2591 #652591

triadic

#2F2591 #912F25 #25912F

tetradic

#2F2591 #912551 #879125 #259165

square

#2F2591 #912551 #879125 #259165

split-complementary

#2F2591 #916525 #519125

monochromatic

#0F0C2F #1F1960 #2F2591 #3F31C2 #665BD5

Accessibility & contrast

On white

11.70

#2F2591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#2F2591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F2591

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F2591	#FFFFFF	#000000	##FFFFFF
##2F2591	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C94

Deuteranopia (green-blind)

#00348F

Tritanopia (blue-blind)

#004359

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2f2591;
/* rgb */ color: rgb(47, 37, 145);
/* oklch */ color: oklch(35.8% 0.168 277.8);

Tailwind

colors: {
  custom: {
    50: '#7661b2',
    500: '#2f2591',
    950: '#000000',
  },
}

SCSS

$custom: #2f2591;
$custom-light: #7661b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f2591",
  "rgb": {
    "r": 47,
    "g": 37,
    "b": 145
  },
  "hsl": {
    "h": 245.556,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.35776,
    "c": 0.16819,
    "h": 277.8
  },
  "luminance": 0.03972
}

Semantic roles & 50–950 ramp

primary

#2F2591

secondary

#B1BA58

accent

#E345D4

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #2F2591

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

Preview Lab → · Contrast checker → · Palette generator →