#2F429B#2F429B

#2F429B is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.8% C 0.146 H 269.8°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#2F429B
RGB	rgb(47, 66, 155)
HSL	hsl(229, 53%, 40%)
HSV	hsv(229, 70%, 61%)
CMYK	cmyk(69.7%, 57.4%, 0%, 39.2%)
CIE-LAB	lab(31.50, 23.45, -50.87)
CIE-LCH	lch(31.50, 56.01, 294.74°)
OKLab	oklab(41.84% -0.0004 -0.1465)
OKLCH	oklch(41.84% 0.146 269.8)
XYZ	xyz(9.0349, 6.8665, 31.8532)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F429B #9B882F

analogous

#2F789B #2F429B #522F9B

triadic

#2F429B #9B2F42 #429B2F

tetradic

#2F429B #9B2F78 #9B882F #2F9B52

square

#2F429B #9B2F78 #9B882F #2F9B52

split-complementary

#2F429B #9B522F #789B2F

monochromatic

#131A3D #212E6C #2F429B #4259C6 #7182D4

Accessibility & contrast

On white

8.85

#2F429B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2F429B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F429B

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F429B	#FFFFFF	#000000	##FFFFFF
##2F429B	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9E

Deuteranopia (green-blind)

#004599

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f429b;
/* rgb */ color: rgb(47, 66, 155);
/* oklch */ color: oklch(41.8% 0.146 269.8);

Tailwind

colors: {
  custom: {
    50: '#7576b9',
    500: '#2f429b',
    950: '#000000',
  },
}

SCSS

$custom: #2f429b;
$custom-light: #7576b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f429b",
  "rgb": {
    "r": 47,
    "g": 66,
    "b": 155
  },
  "hsl": {
    "h": 229.444,
    "s": 53.465,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41843,
    "c": 0.14647,
    "h": 269.8
  },
  "luminance": 0.06867
}

Semantic roles & 50–950 ramp

primary

#2F429B

secondary

#BBAD6A

accent

#C34BDD

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2F429B

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

Preview Lab → · Contrast checker → · Palette generator →