#2F429D#2F429D

#2F429D is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.0% C 0.149 H 269.9°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#2F429D
RGB	rgb(47, 66, 157)
HSL	hsl(230, 54%, 40%)
HSV	hsv(230, 70%, 62%)
CMYK	cmyk(70.1%, 58%, 0%, 38.4%)
CIE-LAB	lab(31.66, 24.19, -51.83)
CIE-LCH	lch(31.66, 57.20, 295.02°)
OKLab	oklab(42.01% -0.0004 -0.1493)
OKLCH	oklch(42.01% 0.149 269.9)
XYZ	xyz(9.2042, 6.9342, 32.7451)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F429D #9D8A2F

analogous

#2F799D #2F429D #532F9D

triadic

#2F429D #9D2F42 #429D2F

tetradic

#2F429D #9D2F79 #9D8A2F #2F9D53

square

#2F429D #9D2F79 #9D8A2F #2F9D53

split-complementary

#2F429D #9D532F #799D2F

monochromatic

#131A3F #212E6E #2F429D #4359C7 #7283D5

Accessibility & contrast

On white

8.80

#2F429D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2F429D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F429D

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F429D	#FFFFFF	#000000	##FFFFFF
##2F429D	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A0

Deuteranopia (green-blind)

#00469B

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f429d;
/* rgb */ color: rgb(47, 66, 157);
/* oklch */ color: oklch(42.0% 0.149 269.9);

Tailwind

colors: {
  custom: {
    50: '#7676bb',
    500: '#2f429d',
    950: '#000000',
  },
}

SCSS

$custom: #2f429d;
$custom-light: #7676bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f429d",
  "rgb": {
    "r": 47,
    "g": 66,
    "b": 157
  },
  "hsl": {
    "h": 229.636,
    "s": 53.922,
    "l": 40
  },
  "oklch": {
    "l": 0.42009,
    "c": 0.14929,
    "h": 269.9
  },
  "luminance": 0.06935
}

Semantic roles & 50–950 ramp

primary

#2F429D

secondary

#BCAE6B

accent

#C44BDD

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F429D

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

Preview Lab → · Contrast checker → · Palette generator →