#2A339B#2A339B

#2A339B is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.7% C 0.167 H 272.0°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#2A339B
RGB	rgb(42, 51, 155)
HSL	hsl(235, 57%, 39%)
HSV	hsv(235, 73%, 61%)
CMYK	cmyk(72.9%, 67.1%, 0%, 39.2%)
CIE-LAB	lab(27.37, 32.67, -57.63)
CIE-LCH	lch(27.37, 66.25, 299.55°)
OKLab	oklab(38.71% 0.0058 -0.1666)
OKLCH	oklch(38.71% 0.167 272)
XYZ	xyz(8.0531, 5.2256, 31.5882)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A339B #9B922A

analogous

#2A6B9B #2A339B #592A9B

triadic

#2A339B #9B2A33 #339B2A

tetradic

#2A339B #9B2A6B #9B922A #2A9B59

square

#2A339B #9B2A6B #9B922A #2A9B59

split-complementary

#2A339B #9B592A #6B9B2A

monochromatic

#10133B #1D236B #2A339B #3944C9 #6972D6

Accessibility & contrast

On white

10.27

#2A339B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2A339B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A339B

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A339B	#FFFFFF	#000000	##FFFFFF
##2A339B	1.00	10.27	2.05	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469E

Deuteranopia (green-blind)

#003B99

Tritanopia (blue-blind)

#004F62

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a339b;
/* rgb */ color: rgb(42, 51, 155);
/* oklch */ color: oklch(38.7% 0.167 272.0);

Tailwind

colors: {
  custom: {
    50: '#756bb9',
    500: '#2a339b',
    950: '#000000',
  },
}

SCSS

$custom: #2a339b;
$custom-light: #756bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a339b",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 155
  },
  "hsl": {
    "h": 235.221,
    "s": 57.36,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38713,
    "c": 0.16666,
    "h": 272
  },
  "luminance": 0.05226
}

Semantic roles & 50–950 ramp

primary

#2A339B

secondary

#BDB664

accent

#D447E1

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2A339B

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

Preview Lab → · Contrast checker → · Palette generator →