#2F41B2#2F41B2

#2F41B2 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.6% C 0.179 H 270.1°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#2F41B2
RGB	rgb(47, 65, 178)
HSL	hsl(232, 58%, 44%)
HSV	hsv(232, 74%, 70%)
CMYK	cmyk(73.6%, 63.5%, 0%, 30.2%)
CIE-LAB	lab(33.13, 32.59, -62.02)
CIE-LCH	lch(33.13, 70.06, 297.72°)
OKLab	oklab(43.64% 0.0003 -0.1792)
OKLCH	oklch(43.64% 0.179 270.1)
XYZ	xyz(11.0957, 7.5981, 42.9927)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F41B2 #B2A02F

analogous

#2F83B2 #2F41B2 #5F2FB2

triadic

#2F41B2 #B22F41 #41B22F

tetradic

#2F41B2 #B22F83 #B2A02F #2FB25F

square

#2F41B2 #B22F83 #B2A02F #2FB25F

split-complementary

#2F41B2 #B25F2F #83B22F

monochromatic

#151E51 #222F82 #2F41B2 #4E60D0 #7E8BDD

Accessibility & contrast

On white

8.33

#2F41B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2F41B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F41B2

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F41B2	#FFFFFF	#000000	##FFFFFF
##2F41B2	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B6

Deuteranopia (green-blind)

#0048B0

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f41b2;
/* rgb */ color: rgb(47, 65, 178);
/* oklch */ color: oklch(43.6% 0.179 270.1);

Tailwind

colors: {
  custom: {
    50: '#7b75ca',
    500: '#2f41b2',
    950: '#000000',
  },
}

SCSS

$custom: #2f41b2;
$custom-light: #7b75ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f41b2",
  "rgb": {
    "r": 47,
    "g": 65,
    "b": 178
  },
  "hsl": {
    "h": 231.756,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.43642,
    "c": 0.17921,
    "h": 270.1
  },
  "luminance": 0.07599
}

Semantic roles & 50–950 ramp

primary

#2F41B2

secondary

#C6BB77

accent

#CC46E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F41B2

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

Preview Lab → · Contrast checker → · Palette generator →