#2F41A9#2F41A9

#2F41A9 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.8% C 0.167 H 270.2°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#2F41A9
RGB	rgb(47, 65, 169)
HSL	hsl(231, 56%, 42%)
HSV	hsv(231, 72%, 66%)
CMYK	cmyk(72.2%, 61.5%, 0%, 33.7%)
CIE-LAB	lab(32.37, 29.30, -57.90)
CIE-LCH	lch(32.37, 64.89, 296.84°)
OKLab	oklab(42.84% 0.0005 -0.1671)
OKLCH	oklch(42.84% 0.167 270.2)
XYZ	xyz(10.2216, 7.2485, 38.3888)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F41A9 #A9972F

analogous

#2F7EA9 #2F41A9 #5A2FA9

triadic

#2F41A9 #A92F41 #41A92F

tetradic

#2F41A9 #A92F7E #A9972F #2FA95A

square

#2F41A9 #A92F7E #A9972F #2FA95A

split-complementary

#2F41A9 #A95A2F #7EA92F

monochromatic

#141C49 #222F79 #2F41A9 #495CCC #7987DA

Accessibility & contrast

On white

8.57

#2F41A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2F41A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F41A9

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F41A9	#FFFFFF	#000000	##FFFFFF
##2F41A9	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AC

Deuteranopia (green-blind)

#0047A7

Tritanopia (blue-blind)

#005B6E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f41a9;
/* rgb */ color: rgb(47, 65, 169);
/* oklch */ color: oklch(42.8% 0.167 270.2);

Tailwind

colors: {
  custom: {
    50: '#7975c3',
    500: '#2f41a9',
    950: '#000000',
  },
}

SCSS

$custom: #2f41a9;
$custom-light: #7975c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f41a9",
  "rgb": {
    "r": 47,
    "g": 65,
    "b": 169
  },
  "hsl": {
    "h": 231.148,
    "s": 56.481,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4284,
    "c": 0.16714,
    "h": 270.2
  },
  "luminance": 0.0725
}

Semantic roles & 50–950 ramp

primary

#2F41A9

secondary

#C2B672

accent

#C948E0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F41A9

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

Preview Lab → · Contrast checker → · Palette generator →