#2A3CB9#2A3CB9

#2A3CB9 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.2% C 0.195 H 269.4°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#2A3CB9
RGB	rgb(42, 60, 185)
HSL	hsl(232, 63%, 45%)
HSV	hsv(232, 77%, 73%)
CMYK	cmyk(77.3%, 67.6%, 0%, 27.5%)
CIE-LAB	lab(32.31, 37.78, -67.51)
CIE-LCH	lch(32.31, 77.37, 299.23°)
OKLab	oklab(43.17% -0.002 -0.1954)
OKLCH	oklch(43.17% 0.195 269.4)
XYZ	xyz(11.3247, 7.2255, 46.6873)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3CB9 #B9A72A

analogous

#2A83B9 #2A3CB9 #602AB9

triadic

#2A3CB9 #B92A3C #3CB92A

tetradic

#2A3CB9 #B92A83 #B9A72A #2AB960

square

#2A3CB9 #B92A83 #B9A72A #2AB960

split-complementary

#2A3CB9 #B9602A #83B92A

monochromatic

#131C55 #1F2C87 #2A3CB9 #4A5CD6 #7C89E1

Accessibility & contrast

On white

8.59

#2A3CB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2A3CB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3CB9

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3CB9	#FFFFFF	#000000	##FFFFFF
##2A3CB9	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BD

Deuteranopia (green-blind)

#0045B7

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2a3cb9;
/* rgb */ color: rgb(42, 60, 185);
/* oklch */ color: oklch(43.2% 0.195 269.4);

Tailwind

colors: {
  custom: {
    50: '#7b72cf',
    500: '#2a3cb9',
    950: '#000000',
  },
}

SCSS

$custom: #2a3cb9;
$custom-light: #7b72cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3cb9",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 185
  },
  "hsl": {
    "h": 232.448,
    "s": 62.996,
    "l": 44.51
  },
  "oklch": {
    "l": 0.43171,
    "c": 0.19543,
    "h": 269.4
  },
  "luminance": 0.07227
}

Semantic roles & 50–950 ramp

primary

#2A3CB9

secondary

#CABF75

accent

#D142E6

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2A3CB9

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

Preview Lab → · Contrast checker → · Palette generator →