#2F41B8#2F41B8

#2F41B8 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.2% C 0.187 H 270.0°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#2F41B8
RGB	rgb(47, 65, 184)
HSL	hsl(232, 59%, 45%)
HSV	hsv(232, 74%, 72%)
CMYK	cmyk(74.5%, 64.7%, 0%, 27.8%)
CIE-LAB	lab(33.66, 34.77, -64.71)
CIE-LCH	lch(33.66, 73.46, 298.25°)
OKLab	oklab(44.19% 0 -0.1871)
OKLCH	oklch(44.19% 0.187 270)
XYZ	xyz(11.7114, 7.8444, 46.2350)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.58

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F41B8 #B8A62F

analogous

#2F85B8 #2F41B8 #622FB8

triadic

#2F41B8 #B82F41 #41B82F

tetradic

#2F41B8 #B82F85 #B8A62F #2FB862

square

#2F41B8 #B82F85 #B8A62F #2FB862

split-complementary

#2F41B8 #B8622F #85B82F

monochromatic

#161F57 #233087 #2F41B8 #5262D3 #828EDF

Accessibility & contrast

On white

8.17

#2F41B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2F41B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F41B8

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F41B8	#FFFFFF	#000000	##FFFFFF
##2F41B8	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BC

Deuteranopia (green-blind)

#0049B6

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f41b8;
/* rgb */ color: rgb(47, 65, 184);
/* oklch */ color: oklch(44.2% 0.187 270.0);

Tailwind

colors: {
  custom: {
    50: '#7c75ce',
    500: '#2f41b8',
    950: '#000000',
  },
}

SCSS

$custom: #2f41b8;
$custom-light: #7c75ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f41b8",
  "rgb": {
    "r": 47,
    "g": 65,
    "b": 184
  },
  "hsl": {
    "h": 232.117,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.4419,
    "c": 0.1871,
    "h": 270
  },
  "luminance": 0.07846
}

Semantic roles & 50–950 ramp

primary

#2F41B8

secondary

#C8BE7B

accent

#CE45E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2F41B8

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

Preview Lab → · Contrast checker → · Palette generator →