#2A3FAA#2A3FAA

#2A3FAA is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.3% C 0.172 H 269.0°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#2A3FAA
RGB	rgb(42, 63, 170)
HSL	hsl(230, 60%, 42%)
HSV	hsv(230, 75%, 67%)
CMYK	cmyk(75.3%, 62.9%, 0%, 33.3%)
CIE-LAB	lab(31.69, 30.37, -59.62)
CIE-LCH	lch(31.69, 66.91, 297.00°)
OKLab	oklab(42.3% -0.003 -0.1723)
OKLCH	oklch(42.3% 0.172 269)
XYZ	xyz(9.9855, 6.9485, 38.8373)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3FAA #AA952A

analogous

#2A7FAA #2A3FAA #552AAA

triadic

#2A3FAA #AA2A3F #3FAA2A

tetradic

#2A3FAA #AA2A7F #AA952A #2AAA55

square

#2A3FAA #AA2A7F #AA952A #2AAA55

split-complementary

#2A3FAA #AA552A #7FAA2A

monochromatic

#121B48 #1E2D79 #2A3FAA #4159D0 #7284DC

Accessibility & contrast

On white

8.79

#2A3FAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2A3FAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3FAA

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3FAA	#FFFFFF	#000000	##FFFFFF
##2A3FAA	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AD

Deuteranopia (green-blind)

#0045A8

Tritanopia (blue-blind)

#005B6E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2a3faa;
/* rgb */ color: rgb(42, 63, 170);
/* oklch */ color: oklch(42.3% 0.172 269.0);

Tailwind

colors: {
  custom: {
    50: '#7774c4',
    500: '#2a3faa',
    950: '#000000',
  },
}

SCSS

$custom: #2a3faa;
$custom-light: #7774c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3faa",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 170
  },
  "hsl": {
    "h": 230.156,
    "s": 60.377,
    "l": 41.569
  },
  "oklch": {
    "l": 0.42297,
    "c": 0.17232,
    "h": 269
  },
  "luminance": 0.0695
}

Semantic roles & 50–950 ramp

primary

#2A3FAA

secondary

#C3B56C

accent

#C944E4

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A3FAA

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

Preview Lab → · Contrast checker → · Palette generator →