#2A3399#2A3399

#2A3399 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.5% C 0.164 H 272.1°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#2A3399
RGB	rgb(42, 51, 153)
HSL	hsl(235, 57%, 38%)
HSV	hsv(235, 73%, 60%)
CMYK	cmyk(72.5%, 66.7%, 0%, 40%)
CIE-LAB	lab(27.18, 31.95, -56.71)
CIE-LCH	lch(27.18, 65.09, 299.40°)
OKLab	oklab(38.52% 0.0059 -0.1639)
OKLCH	oklch(38.52% 0.164 272.1)
XYZ	xyz(7.8865, 5.1590, 30.7110)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3399 #99902A

analogous

#2A6A99 #2A3399 #582A99

triadic

#2A3399 #992A33 #33992A

tetradic

#2A3399 #992A6A #99902A #2A9958

square

#2A3399 #992A6A #99902A #2A9958

split-complementary

#2A3399 #99582A #6A992A

monochromatic

#101339 #1D2369 #2A3399 #3844C8 #6871D6

Accessibility & contrast

On white

10.33

#2A3399 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2A3399 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3399

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3399	#FFFFFF	#000000	##FFFFFF
##2A3399	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459C

Deuteranopia (green-blind)

#003B97

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2a3399;
/* rgb */ color: rgb(42, 51, 153);
/* oklch */ color: oklch(38.5% 0.164 272.1);

Tailwind

colors: {
  custom: {
    50: '#746bb8',
    500: '#2a3399',
    950: '#000000',
  },
}

SCSS

$custom: #2a3399;
$custom-light: #746bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3399",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 153
  },
  "hsl": {
    "h": 235.135,
    "s": 56.923,
    "l": 38.235
  },
  "oklch": {
    "l": 0.38521,
    "c": 0.16398,
    "h": 272.1
  },
  "luminance": 0.0516
}

Semantic roles & 50–950 ramp

primary

#2A3399

secondary

#BCB563

accent

#D448E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2A3399

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

Preview Lab → · Contrast checker → · Palette generator →