#2F41A3#2F41A3

#2F41A3 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.3% C 0.159 H 270.2°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#2F41A3
RGB	rgb(47, 65, 163)
HSL	hsl(231, 55%, 41%)
HSV	hsv(231, 71%, 64%)
CMYK	cmyk(71.2%, 60.1%, 0%, 36.1%)
CIE-LAB	lab(31.87, 27.09, -55.10)
CIE-LCH	lch(31.87, 61.40, 296.18°)
OKLab	oklab(42.32% 0.0005 -0.1589)
OKLCH	oklch(42.32% 0.159 270.2)
XYZ	xyz(9.6712, 7.0283, 35.4901)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F41A3 #A3912F

analogous

#2F7BA3 #2F41A3 #572FA3

triadic

#2F41A3 #A32F41 #41A32F

tetradic

#2F41A3 #A32F7B #A3912F #2FA357

square

#2F41A3 #A32F7B #A3912F #2FA357

split-complementary

#2F41A3 #A3572F #7BA32F

monochromatic

#141B44 #212E73 #2F41A3 #465ACA #7584D7

Accessibility & contrast

On white

8.73

#2F41A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2F41A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F41A3

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F41A3	#FFFFFF	#000000	##FFFFFF
##2F41A3	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A6

Deuteranopia (green-blind)

#0046A1

Tritanopia (blue-blind)

#00596B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f41a3;
/* rgb */ color: rgb(47, 65, 163);
/* oklch */ color: oklch(42.3% 0.159 270.2);

Tailwind

colors: {
  custom: {
    50: '#7775bf',
    500: '#2f41a3',
    950: '#000000',
  },
}

SCSS

$custom: #2f41a3;
$custom-light: #7775bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f41a3",
  "rgb": {
    "r": 47,
    "g": 65,
    "b": 163
  },
  "hsl": {
    "h": 230.69,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.42319,
    "c": 0.15892,
    "h": 270.2
  },
  "luminance": 0.07029
}

Semantic roles & 50–950 ramp

primary

#2F41A3

secondary

#BFB36F

accent

#C749DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F41A3

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

Preview Lab → · Contrast checker → · Palette generator →