#2F409D#2F409D

#2F409D is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.6% C 0.152 H 270.5°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#2F409D
RGB	rgb(47, 64, 157)
HSL	hsl(231, 54%, 40%)
HSV	hsv(231, 70%, 62%)
CMYK	cmyk(70.1%, 59.2%, 0%, 38.4%)
CIE-LAB	lab(31.12, 25.52, -52.69)
CIE-LCH	lch(31.12, 58.55, 295.85°)
OKLab	oklab(41.61% 0.0013 -0.1519)
OKLCH	oklch(41.61% 0.152 270.5)
XYZ	xyz(9.0894, 6.7046, 32.7068)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F409D #9D8C2F

analogous

#2F779D #2F409D #552F9D

triadic

#2F409D #9D2F40 #409D2F

tetradic

#2F409D #9D2F77 #9D8C2F #2F9D55

square

#2F409D #9D2F77 #9D8C2F #2F9D55

split-complementary

#2F409D #9D552F #779D2F

monochromatic

#131A3F #212D6E #2F409D #4357C7 #7281D5

Accessibility & contrast

On white

8.97

#2F409D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2F409D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F409D

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F409D	#FFFFFF	#000000	##FFFFFF
##2F409D	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA0

Deuteranopia (green-blind)

#00449B

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f409d;
/* rgb */ color: rgb(47, 64, 157);
/* oklch */ color: oklch(41.6% 0.152 270.5);

Tailwind

colors: {
  custom: {
    50: '#7674bb',
    500: '#2f409d',
    950: '#000000',
  },
}

SCSS

$custom: #2f409d;
$custom-light: #7674bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f409d",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 157
  },
  "hsl": {
    "h": 230.727,
    "s": 53.922,
    "l": 40
  },
  "oklch": {
    "l": 0.41612,
    "c": 0.15187,
    "h": 270.5
  },
  "luminance": 0.06705
}

Semantic roles & 50–950 ramp

primary

#2F409D

secondary

#BCB06B

accent

#C74BDD

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F409D

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

Preview Lab → · Contrast checker → · Palette generator →