#2F409E#2F409E

#2F409E is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.153 H 270.5°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#2F409E
RGB	rgb(47, 64, 158)
HSL	hsl(231, 54%, 40%)
HSV	hsv(231, 70%, 62%)
CMYK	cmyk(70.3%, 59.5%, 0%, 38%)
CIE-LAB	lab(31.20, 25.90, -53.17)
CIE-LCH	lch(31.20, 59.14, 295.97°)
OKLab	oklab(41.7% 0.0013 -0.1532)
OKLCH	oklch(41.7% 0.153 270.5)
XYZ	xyz(9.1751, 6.7389, 33.1583)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F409E #9E8D2F

analogous

#2F779E #2F409E #562F9E

triadic

#2F409E #9E2F40 #409E2F

tetradic

#2F409E #9E2F77 #9E8D2F #2F9E56

square

#2F409E #9E2F77 #9E8D2F #2F9E56

split-complementary

#2F409E #9E562F #779E2F

monochromatic

#131A40 #212D6F #2F409E #4357C7 #7281D5

Accessibility & contrast

On white

8.94

#2F409E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2F409E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F409E

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F409E	#FFFFFF	#000000	##FFFFFF
##2F409E	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA1

Deuteranopia (green-blind)

#00449C

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f409e;
/* rgb */ color: rgb(47, 64, 158);
/* oklch */ color: oklch(41.7% 0.153 270.5);

Tailwind

colors: {
  custom: {
    50: '#7674bb',
    500: '#2f409e',
    950: '#000000',
  },
}

SCSS

$custom: #2f409e;
$custom-light: #7674bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f409e",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 158
  },
  "hsl": {
    "h": 230.811,
    "s": 54.146,
    "l": 40.196
  },
  "oklch": {
    "l": 0.41697,
    "c": 0.15326,
    "h": 270.5
  },
  "luminance": 0.0674
}

Semantic roles & 50–950 ramp

primary

#2F409E

secondary

#BDB06C

accent

#C74ADE

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F409E

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

Preview Lab → · Contrast checker → · Palette generator →