#2B429B#2B429B

#2B429B is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.6% C 0.148 H 268.3°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#2B429B
RGB	rgb(43, 66, 155)
HSL	hsl(228, 57%, 39%)
HSV	hsv(228, 72%, 61%)
CMYK	cmyk(72.3%, 57.4%, 0%, 39.2%)
CIE-LAB	lab(31.29, 22.86, -51.22)
CIE-LCH	lch(31.29, 56.09, 294.05°)
OKLab	oklab(41.63% -0.0044 -0.1476)
OKLCH	oklch(41.63% 0.148 268.3)
XYZ	xyz(8.8588, 6.7757, 31.8450)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B429B #9B842B

analogous

#2B7A9B #2B429B #4C2B9B

triadic

#2B429B #9B2B42 #429B2B

tetradic

#2B429B #9B2B7A #9B842B #2B9B4C

square

#2B429B #9B2B7A #9B842B #2B9B4C

split-complementary

#2B429B #9B4C2B #7A9B2B

monochromatic

#10193B #1E2E6B #2B429B #3B58C9 #6B81D6

Accessibility & contrast

On white

8.92

#2B429B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#2B429B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B429B

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B429B	#FFFFFF	#000000	##FFFFFF
##2B429B	1.00	8.92	2.36	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.92	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: #2b429b;
/* rgb */ color: rgb(43, 66, 155);
/* oklch */ color: oklch(41.6% 0.148 268.3);

Tailwind

colors: {
  custom: {
    50: '#7476b9',
    500: '#2b429b',
    950: '#000000',
  },
}

SCSS

$custom: #2b429b;
$custom-light: #7476b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b429b",
  "rgb": {
    "r": 43,
    "g": 66,
    "b": 155
  },
  "hsl": {
    "h": 227.679,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.41629,
    "c": 0.14766,
    "h": 268.3
  },
  "luminance": 0.06777
}

Semantic roles & 50–950 ramp

primary

#2B429B

secondary

#BCAB65

accent

#C148E0

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2B429B

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

Preview Lab → · Contrast checker → · Palette generator →