#2A3999#2A3999

#2A3999 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.157 H 270.6°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#2A3999
RGB	rgb(42, 57, 153)
HSL	hsl(232, 57%, 38%)
HSV	hsv(232, 73%, 60%)
CMYK	cmyk(72.5%, 62.7%, 0%, 40%)
CIE-LAB	lab(28.69, 28.00, -54.25)
CIE-LCH	lch(28.69, 61.05, 297.30°)
OKLab	oklab(39.63% 0.0016 -0.1566)
OKLCH	oklch(39.63% 0.157 270.6)
XYZ	xyz(8.1658, 5.7176, 30.8041)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3999 #998A2A

analogous

#2A7099 #2A3999 #522A99

triadic

#2A3999 #992A39 #39992A

tetradic

#2A3999 #992A70 #998A2A #2A9952

square

#2A3999 #992A70 #998A2A #2A9952

split-complementary

#2A3999 #99522A #70992A

monochromatic

#101539 #1D2769 #2A3999 #384BC8 #6877D6

Accessibility & contrast

On white

9.80

#2A3999 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2A3999 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3999

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3999	#FFFFFF	#000000	##FFFFFF
##2A3999	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499C

Deuteranopia (green-blind)

#003F97

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a3999;
/* rgb */ color: rgb(42, 57, 153);
/* oklch */ color: oklch(39.6% 0.157 270.6);

Tailwind

colors: {
  custom: {
    50: '#746fb8',
    500: '#2a3999',
    950: '#000000',
  },
}

SCSS

$custom: #2a3999;
$custom-light: #746fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3999",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 153
  },
  "hsl": {
    "h": 231.892,
    "s": 56.923,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39626,
    "c": 0.15662,
    "h": 270.6
  },
  "luminance": 0.05718
}

Semantic roles & 50–950 ramp

primary

#2A3999

secondary

#BCB063

accent

#CC48E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2A3999

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

Preview Lab → · Contrast checker → · Palette generator →