#2F1FA5#2F1FA5

#2F1FA5 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.2% C 0.198 H 276.1°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#2F1FA5
RGB	rgb(47, 31, 165)
HSL	hsl(247, 68%, 38%)
HSV	hsv(247, 81%, 65%)
CMYK	cmyk(71.5%, 81.2%, 0%, 35.3%)
CIE-LAB	lab(24.64, 48.00, -68.20)
CIE-LCH	lch(24.64, 83.39, 305.14°)
OKLab	oklab(37.17% 0.021 -0.1971)
OKLCH	oklch(37.17% 0.198 276.1)
XYZ	xyz(8.4516, 4.3001, 35.9746)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F1FA5 #95A51F

analogous

#1F52A5 #2F1FA5 #721FA5

triadic

#2F1FA5 #A52F1F #1FA52F

tetradic

#2F1FA5 #A51F52 #95A51F #1FA572

square

#2F1FA5 #A51F52 #95A51F #1FA572

split-complementary

#2F1FA5 #A5721F #52A51F

monochromatic

#120C3E #201571 #2F1FA5 #3F2AD7 #6D5EE1

Accessibility & contrast

On white

11.29

#2F1FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2F1FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F1FA5

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F1FA5	#FFFFFF	#000000	##FFFFFF
##2F1FA5	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A9

Deuteranopia (green-blind)

#0035A3

Tritanopia (blue-blind)

#004963

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2f1fa5;
/* rgb */ color: rgb(47, 31, 165);
/* oklch */ color: oklch(37.2% 0.198 276.1);

Tailwind

colors: {
  custom: {
    50: '#7b5fc1',
    500: '#2f1fa5',
    950: '#000000',
  },
}

SCSS

$custom: #2f1fa5;
$custom-light: #7b5fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f1fa5",
  "rgb": {
    "r": 47,
    "g": 31,
    "b": 165
  },
  "hsl": {
    "h": 247.164,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37167,
    "c": 0.19824,
    "h": 276.1
  },
  "luminance": 0.04301
}

Semantic roles & 50–950 ramp

primary

#2F1FA5

secondary

#B8C55B

accent

#EB3DD6

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #2F1FA5

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

Preview Lab → · Contrast checker → · Palette generator →