#2F41B4#2F41B4

#2F41B4 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.8% C 0.182 H 270.1°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#2F41B4
RGB	rgb(47, 65, 180)
HSL	hsl(232, 59%, 45%)
HSV	hsv(232, 74%, 71%)
CMYK	cmyk(73.9%, 63.9%, 0%, 29.4%)
CIE-LAB	lab(33.31, 33.32, -62.92)
CIE-LCH	lch(33.31, 71.20, 297.90°)
OKLab	oklab(43.82% 0.0002 -0.1819)
OKLCH	oklch(43.82% 0.182 270.1)
XYZ	xyz(11.2980, 7.6790, 44.0579)
Luminance	0.0768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F41B4 #B4A22F

analogous

#2F83B4 #2F41B4 #602FB4

triadic

#2F41B4 #B42F41 #41B42F

tetradic

#2F41B4 #B42F83 #B4A22F #2FB460

square

#2F41B4 #B42F83 #B4A22F #2FB460

split-complementary

#2F41B4 #B4602F #83B42F

monochromatic

#161E53 #222F83 #2F41B4 #4F61D1 #808CDE

Accessibility & contrast

On white

8.28

#2F41B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2F41B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F41B4

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F41B4	#FFFFFF	#000000	##FFFFFF
##2F41B4	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B8

Deuteranopia (green-blind)

#0048B2

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f41b4;
/* rgb */ color: rgb(47, 65, 180);
/* oklch */ color: oklch(43.8% 0.182 270.1);

Tailwind

colors: {
  custom: {
    50: '#7b75cb',
    500: '#2f41b4',
    950: '#000000',
  },
}

SCSS

$custom: #2f41b4;
$custom-light: #7b75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f41b4",
  "rgb": {
    "r": 47,
    "g": 65,
    "b": 180
  },
  "hsl": {
    "h": 231.88,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.43824,
    "c": 0.18185,
    "h": 270.1
  },
  "luminance": 0.0768
}

Semantic roles & 50–950 ramp

primary

#2F41B4

secondary

#C7BC78

accent

#CD46E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F41B4

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

Preview Lab → · Contrast checker → · Palette generator →