#2F41AB#2F41AB

#2F41AB is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.170 H 270.2°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#2F41AB
RGB	rgb(47, 65, 171)
HSL	hsl(231, 57%, 43%)
HSV	hsv(231, 73%, 67%)
CMYK	cmyk(72.5%, 62%, 0%, 32.9%)
CIE-LAB	lab(32.53, 30.03, -58.82)
CIE-LCH	lch(32.53, 66.05, 297.05°)
OKLab	oklab(43.02% 0.0005 -0.1698)
OKLCH	oklch(43.02% 0.17 270.2)
XYZ	xyz(10.4108, 7.3241, 39.3852)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F41AB #AB992F

analogous

#2F7FAB #2F41AB #5B2FAB

triadic

#2F41AB #AB2F41 #41AB2F

tetradic

#2F41AB #AB2F7F #AB992F #2FAB5B

square

#2F41AB #AB2F7F #AB992F #2FAB5B

split-complementary

#2F41AB #AB5B2F #7FAB2F

monochromatic

#151D4B #222F7B #2F41AB #4A5DCD #7A88DA

Accessibility & contrast

On white

8.52

#2F41AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2F41AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F41AB

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F41AB	#FFFFFF	#000000	##FFFFFF
##2F41AB	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AE

Deuteranopia (green-blind)

#0047A9

Tritanopia (blue-blind)

#005C6F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f41ab;
/* rgb */ color: rgb(47, 65, 171);
/* oklch */ color: oklch(43.0% 0.170 270.2);

Tailwind

colors: {
  custom: {
    50: '#7975c5',
    500: '#2f41ab',
    950: '#000000',
  },
}

SCSS

$custom: #2f41ab;
$custom-light: #7975c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f41ab",
  "rgb": {
    "r": 47,
    "g": 65,
    "b": 171
  },
  "hsl": {
    "h": 231.29,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.43016,
    "c": 0.16984,
    "h": 270.2
  },
  "luminance": 0.07325
}

Semantic roles & 50–950 ramp

primary

#2F41AB

secondary

#C3B773

accent

#CA48E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F41AB

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

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