#2F429F#2F429F

#2F429F is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.2% C 0.152 H 269.9°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#2F429F
RGB	rgb(47, 66, 159)
HSL	hsl(230, 54%, 40%)
HSV	hsv(230, 70%, 62%)
CMYK	cmyk(70.4%, 58.5%, 0%, 37.6%)
CIE-LAB	lab(31.81, 24.94, -52.78)
CIE-LCH	lch(31.81, 58.38, 295.29°)
OKLab	oklab(42.18% -0.0003 -0.1521)
OKLCH	oklch(42.18% 0.152 269.9)
XYZ	xyz(9.3764, 7.0031, 33.6517)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F429F #9F8C2F

analogous

#2F7A9F #2F429F #542F9F

triadic

#2F429F #9F2F42 #429F2F

tetradic

#2F429F #9F2F7A #9F8C2F #2F9F54

square

#2F429F #9F2F7A #9F8C2F #2F9F54

split-complementary

#2F429F #9F542F #7A9F2F

monochromatic

#131B41 #212E70 #2F429F #445AC8 #7384D6

Accessibility & contrast

On white

8.75

#2F429F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#2F429F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F429F

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F429F	#FFFFFF	#000000	##FFFFFF
##2F429F	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A2

Deuteranopia (green-blind)

#00469D

Tritanopia (blue-blind)

#00596A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f429f;
/* rgb */ color: rgb(47, 66, 159);
/* oklch */ color: oklch(42.2% 0.152 269.9);

Tailwind

colors: {
  custom: {
    50: '#7676bc',
    500: '#2f429f',
    950: '#000000',
  },
}

SCSS

$custom: #2f429f;
$custom-light: #7676bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f429f",
  "rgb": {
    "r": 47,
    "g": 66,
    "b": 159
  },
  "hsl": {
    "h": 229.821,
    "s": 54.369,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42176,
    "c": 0.1521,
    "h": 269.9
  },
  "luminance": 0.07004
}

Semantic roles & 50–950 ramp

primary

#2F429F

secondary

#BDB06D

accent

#C54ADE

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F429F

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

Preview Lab → · Contrast checker → · Palette generator →