#2F409F#2F409F

#2F409F is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.8% C 0.155 H 270.5°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#2F409F
RGB	rgb(47, 64, 159)
HSL	hsl(231, 54%, 40%)
HSV	hsv(231, 70%, 62%)
CMYK	cmyk(70.4%, 59.7%, 0%, 37.6%)
CIE-LAB	lab(31.29, 26.27, -53.64)
CIE-LCH	lch(31.29, 59.73, 296.09°)
OKLab	oklab(41.78% 0.0013 -0.1546)
OKLCH	oklch(41.78% 0.155 270.5)
XYZ	xyz(9.2616, 6.7734, 33.6135)
Luminance	0.0677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F409F #9F8E2F

analogous

#2F789F #2F409F #562F9F

triadic

#2F409F #9F2F40 #409F2F

tetradic

#2F409F #9F2F78 #9F8E2F #2F9F56

square

#2F409F #9F2F78 #9F8E2F #2F9F56

split-complementary

#2F409F #9F562F #789F2F

monochromatic

#131A41 #212D70 #2F409F #4458C8 #7382D6

Accessibility & contrast

On white

8.92

#2F409F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2F409F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F409F

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F409F	#FFFFFF	#000000	##FFFFFF
##2F409F	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA2

Deuteranopia (green-blind)

#00459D

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f409f;
/* rgb */ color: rgb(47, 64, 159);
/* oklch */ color: oklch(41.8% 0.155 270.5);

Tailwind

colors: {
  custom: {
    50: '#7674bc',
    500: '#2f409f',
    950: '#000000',
  },
}

SCSS

$custom: #2f409f;
$custom-light: #7674bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f409f",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 159
  },
  "hsl": {
    "h": 230.893,
    "s": 54.369,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41782,
    "c": 0.15466,
    "h": 270.5
  },
  "luminance": 0.06774
}

Semantic roles & 50–950 ramp

primary

#2F409F

secondary

#BDB16D

accent

#C74ADE

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F409F

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

Preview Lab → · Contrast checker → · Palette generator →