#2F409C#2F409C

#2F409C is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.5% C 0.150 H 270.5°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#2F409C
RGB	rgb(47, 64, 156)
HSL	hsl(231, 54%, 40%)
HSV	hsv(231, 70%, 61%)
CMYK	cmyk(69.9%, 59%, 0%, 38.8%)
CIE-LAB	lab(31.04, 25.15, -52.22)
CIE-LCH	lch(31.04, 57.96, 295.72°)
OKLab	oklab(41.53% 0.0013 -0.1505)
OKLCH	oklch(41.53% 0.15 270.5)
XYZ	xyz(9.0044, 6.6706, 32.2591)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F409C #9C8B2F

analogous

#2F779C #2F409C #542F9C

triadic

#2F409C #9C2F40 #409C2F

tetradic

#2F409C #9C2F77 #9C8B2F #2F9C54

square

#2F409C #9C2F77 #9C8B2F #2F9C54

split-complementary

#2F409C #9C542F #779C2F

monochromatic

#13193E #212D6D #2F409C #4257C6 #7181D4

Accessibility & contrast

On white

9.00

#2F409C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2F409C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F409C

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F409C	#FFFFFF	#000000	##FFFFFF
##2F409C	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9F

Deuteranopia (green-blind)

#00449A

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f409c;
/* rgb */ color: rgb(47, 64, 156);
/* oklch */ color: oklch(41.5% 0.150 270.5);

Tailwind

colors: {
  custom: {
    50: '#7674ba',
    500: '#2f409c',
    950: '#000000',
  },
}

SCSS

$custom: #2f409c;
$custom-light: #7674ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f409c",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 156
  },
  "hsl": {
    "h": 230.642,
    "s": 53.695,
    "l": 39.804
  },
  "oklch": {
    "l": 0.41527,
    "c": 0.15047,
    "h": 270.5
  },
  "luminance": 0.06671
}

Semantic roles & 50–950 ramp

primary

#2F409C

secondary

#BCAF6B

accent

#C64BDD

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F409C

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

Preview Lab → · Contrast checker → · Palette generator →