#2A3B99#2A3B99

#2A3B99 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.154 H 270.0°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#2A3B99
RGB	rgb(42, 59, 153)
HSL	hsl(231, 57%, 38%)
HSV	hsv(231, 73%, 60%)
CMYK	cmyk(72.5%, 61.4%, 0%, 40%)
CIE-LAB	lab(29.21, 26.67, -53.40)
CIE-LCH	lch(29.21, 59.69, 296.54°)
OKLab	oklab(40.01% 0.0001 -0.1541)
OKLCH	oklch(40.01% 0.154 270)
XYZ	xyz(8.2666, 5.9192, 30.8377)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3B99 #99882A

analogous

#2A7299 #2A3B99 #502A99

triadic

#2A3B99 #992A3B #3B992A

tetradic

#2A3B99 #992A72 #99882A #2A9950

square

#2A3B99 #992A72 #99882A #2A9950

split-complementary

#2A3B99 #99502A #72992A

monochromatic

#101639 #1D2869 #2A3B99 #384EC8 #6879D6

Accessibility & contrast

On white

9.62

#2A3B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2A3B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3B99

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3B99	#FFFFFF	#000000	##FFFFFF
##2A3B99	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9C

Deuteranopia (green-blind)

#004097

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a3b99;
/* rgb */ color: rgb(42, 59, 153);
/* oklch */ color: oklch(40.0% 0.154 270.0);

Tailwind

colors: {
  custom: {
    50: '#7370b8',
    500: '#2a3b99',
    950: '#000000',
  },
}

SCSS

$custom: #2a3b99;
$custom-light: #7370b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3b99",
  "rgb": {
    "r": 42,
    "g": 59,
    "b": 153
  },
  "hsl": {
    "h": 230.811,
    "s": 56.923,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40011,
    "c": 0.1541,
    "h": 270
  },
  "luminance": 0.0592
}

Semantic roles & 50–950 ramp

primary

#2A3B99

secondary

#BCAE63

accent

#C948E0

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2A3B99

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

Preview Lab → · Contrast checker → · Palette generator →