#2F41AA#2F41AA

#2F41AA is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.9% C 0.168 H 270.2°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#2F41AA
RGB	rgb(47, 65, 170)
HSL	hsl(231, 57%, 43%)
HSV	hsv(231, 72%, 67%)
CMYK	cmyk(72.4%, 61.8%, 0%, 33.3%)
CIE-LAB	lab(32.45, 29.67, -58.36)
CIE-LCH	lch(32.45, 65.47, 296.94°)
OKLab	oklab(42.93% 0.0005 -0.1685)
OKLCH	oklch(42.93% 0.168 270.2)
XYZ	xyz(10.3158, 7.2862, 38.8851)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F41AA #AA982F

analogous

#2F7EAA #2F41AA #5B2FAA

triadic

#2F41AA #AA2F41 #41AA2F

tetradic

#2F41AA #AA2F7E #AA982F #2FAA5B

square

#2F41AA #AA2F7E #AA982F #2FAA5B

split-complementary

#2F41AA #AA5B2F #7EAA2F

monochromatic

#141C4A #222F7A #2F41AA #495DCD #7988DA

Accessibility & contrast

On white

8.55

#2F41AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2F41AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F41AA

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F41AA	#FFFFFF	#000000	##FFFFFF
##2F41AA	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AD

Deuteranopia (green-blind)

#0047A8

Tritanopia (blue-blind)

#005C6F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f41aa;
/* rgb */ color: rgb(47, 65, 170);
/* oklch */ color: oklch(42.9% 0.168 270.2);

Tailwind

colors: {
  custom: {
    50: '#7975c4',
    500: '#2f41aa',
    950: '#000000',
  },
}

SCSS

$custom: #2f41aa;
$custom-light: #7975c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f41aa",
  "rgb": {
    "r": 47,
    "g": 65,
    "b": 170
  },
  "hsl": {
    "h": 231.22,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42928,
    "c": 0.16849,
    "h": 270.2
  },
  "luminance": 0.07287
}

Semantic roles & 50–950 ramp

primary

#2F41AA

secondary

#C2B772

accent

#CA48E0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F41AA

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

Preview Lab → · Contrast checker → · Palette generator →