#2F409A#2F409A

#2F409A is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.4% C 0.148 H 270.5°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#2F409A
RGB	rgb(47, 64, 154)
HSL	hsl(230, 53%, 39%)
HSV	hsv(230, 69%, 60%)
CMYK	cmyk(69.5%, 58.4%, 0%, 39.6%)
CIE-LAB	lab(30.89, 24.41, -51.26)
CIE-LCH	lch(30.89, 56.78, 295.46°)
OKLab	oklab(41.36% 0.0012 -0.1476)
OKLCH	oklch(41.36% 0.148 270.5)
XYZ	xyz(8.8364, 6.6034, 31.3745)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F409A #9A892F

analogous

#2F769A #2F409A #532F9A

triadic

#2F409A #9A2F40 #409A2F

tetradic

#2F409A #9A2F76 #9A892F #2F9A53

square

#2F409A #9A2F76 #9A892F #2F9A53

split-complementary

#2F409A #9A532F #769A2F

monochromatic

#12193C #212D6B #2F409A #4156C5 #7080D3

Accessibility & contrast

On white

9.05

#2F409A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2F409A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F409A

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F409A	#FFFFFF	#000000	##FFFFFF
##2F409A	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9D

Deuteranopia (green-blind)

#004498

Tritanopia (blue-blind)

#005666

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f409a;
/* rgb */ color: rgb(47, 64, 154);
/* oklch */ color: oklch(41.4% 0.148 270.5);

Tailwind

colors: {
  custom: {
    50: '#7574b8',
    500: '#2f409a',
    950: '#000000',
  },
}

SCSS

$custom: #2f409a;
$custom-light: #7574b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f409a",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 154
  },
  "hsl": {
    "h": 230.467,
    "s": 53.234,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41359,
    "c": 0.14766,
    "h": 270.5
  },
  "luminance": 0.06604
}

Semantic roles & 50–950 ramp

primary

#2F409A

secondary

#BBAE6A

accent

#C64BDD

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2F409A

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

Preview Lab → · Contrast checker → · Palette generator →