#2F41B5#2F41B5

#2F41B5 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.9% C 0.183 H 270.0°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#2F41B5
RGB	rgb(47, 65, 181)
HSL	hsl(232, 59%, 45%)
HSV	hsv(232, 74%, 71%)
CMYK	cmyk(74%, 64.1%, 0%, 29%)
CIE-LAB	lab(33.39, 33.68, -63.37)
CIE-LCH	lch(33.39, 71.76, 297.99°)
OKLab	oklab(43.92% 0.0001 -0.1832)
OKLCH	oklch(43.92% 0.183 270)
XYZ	xyz(11.4002, 7.7199, 44.5964)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F41B5 #B5A32F

analogous

#2F84B5 #2F41B5 #602FB5

triadic

#2F41B5 #B52F41 #41B52F

tetradic

#2F41B5 #B52F84 #B5A32F #2FB560

square

#2F41B5 #B52F84 #B5A32F #2FB560

split-complementary

#2F41B5 #B5602F #84B52F

monochromatic

#161E54 #223084 #2F41B5 #5061D1 #808DDE

Accessibility & contrast

On white

8.25

#2F41B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2F41B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F41B5

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F41B5	#FFFFFF	#000000	##FFFFFF
##2F41B5	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B9

Deuteranopia (green-blind)

#0048B3

Tritanopia (blue-blind)

#005F75

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f41b5;
/* rgb */ color: rgb(47, 65, 181);
/* oklch */ color: oklch(43.9% 0.183 270.0);

Tailwind

colors: {
  custom: {
    50: '#7b75cc',
    500: '#2f41b5',
    950: '#000000',
  },
}

SCSS

$custom: #2f41b5;
$custom-light: #7b75cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f41b5",
  "rgb": {
    "r": 47,
    "g": 65,
    "b": 181
  },
  "hsl": {
    "h": 231.94,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43915,
    "c": 0.18317,
    "h": 270
  },
  "luminance": 0.07721
}

Semantic roles & 50–950 ramp

primary

#2F41B5

secondary

#C7BD79

accent

#CD46E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F41B5

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

Preview Lab → · Contrast checker → · Palette generator →