#2F41A5#2F41A5

#2F41A5 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.5% C 0.162 H 270.2°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#2F41A5
RGB	rgb(47, 65, 165)
HSL	hsl(231, 56%, 42%)
HSV	hsv(231, 72%, 65%)
CMYK	cmyk(71.5%, 60.6%, 0%, 35.3%)
CIE-LAB	lab(32.03, 27.82, -56.04)
CIE-LCH	lch(32.03, 62.57, 296.40°)
OKLab	oklab(42.49% 0.0005 -0.1617)
OKLCH	oklch(42.49% 0.162 270.2)
XYZ	xyz(9.8518, 7.1006, 36.4414)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F41A5 #A5932F

analogous

#2F7CA5 #2F41A5 #582FA5

triadic

#2F41A5 #A52F41 #41A52F

tetradic

#2F41A5 #A52F7C #A5932F #2FA558

square

#2F41A5 #A52F7C #A5932F #2FA558

split-complementary

#2F41A5 #A5582F #7CA52F

monochromatic

#141B46 #212E75 #2F41A5 #475BCB #7685D8

Accessibility & contrast

On white

8.68

#2F41A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2F41A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F41A5

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F41A5	#FFFFFF	#000000	##FFFFFF
##2F41A5	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A8

Deuteranopia (green-blind)

#0046A3

Tritanopia (blue-blind)

#005A6C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f41a5;
/* rgb */ color: rgb(47, 65, 165);
/* oklch */ color: oklch(42.5% 0.162 270.2);

Tailwind

colors: {
  custom: {
    50: '#7875c1',
    500: '#2f41a5',
    950: '#000000',
  },
}

SCSS

$custom: #2f41a5;
$custom-light: #7875c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f41a5",
  "rgb": {
    "r": 47,
    "g": 65,
    "b": 165
  },
  "hsl": {
    "h": 230.847,
    "s": 55.66,
    "l": 41.569
  },
  "oklch": {
    "l": 0.42491,
    "c": 0.16168,
    "h": 270.2
  },
  "luminance": 0.07102
}

Semantic roles & 50–950 ramp

primary

#2F41A5

secondary

#C0B470

accent

#C849DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F41A5

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

Preview Lab → · Contrast checker → · Palette generator →