#2F41B0#2F41B0

#2F41B0 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.5% C 0.177 H 270.1°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#2F41B0
RGB	rgb(47, 65, 176)
HSL	hsl(232, 58%, 44%)
HSV	hsv(232, 73%, 69%)
CMYK	cmyk(73.3%, 63.1%, 0%, 31%)
CIE-LAB	lab(32.96, 31.86, -61.11)
CIE-LCH	lch(32.96, 68.92, 297.54°)
OKLab	oklab(43.46% 0.0003 -0.1766)
OKLCH	oklch(43.46% 0.177 270.1)
XYZ	xyz(10.8964, 7.5184, 41.9428)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F41B0 #B09E2F

analogous

#2F81B0 #2F41B0 #5D2FB0

triadic

#2F41B0 #B02F41 #41B02F

tetradic

#2F41B0 #B02F81 #B09E2F #2FB05D

square

#2F41B0 #B02F81 #B09E2F #2FB05D

split-complementary

#2F41B0 #B05D2F #81B02F

monochromatic

#151D4F #222F80 #2F41B0 #4D5FCF #7D8ADC

Accessibility & contrast

On white

8.39

#2F41B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2F41B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F41B0

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F41B0	#FFFFFF	#000000	##FFFFFF
##2F41B0	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B4

Deuteranopia (green-blind)

#0048AE

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f41b0;
/* rgb */ color: rgb(47, 65, 176);
/* oklch */ color: oklch(43.5% 0.177 270.1);

Tailwind

colors: {
  custom: {
    50: '#7a75c9',
    500: '#2f41b0',
    950: '#000000',
  },
}

SCSS

$custom: #2f41b0;
$custom-light: #7a75c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f41b0",
  "rgb": {
    "r": 47,
    "g": 65,
    "b": 176
  },
  "hsl": {
    "h": 231.628,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43462,
    "c": 0.17655,
    "h": 270.1
  },
  "luminance": 0.0752
}

Semantic roles & 50–950 ramp

primary

#2F41B0

secondary

#C5BA76

accent

#CC47E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F41B0

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

Preview Lab → · Contrast checker → · Palette generator →