#2A359A#2A359A

#2A359A is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.163 H 271.6°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#2A359A
RGB	rgb(42, 53, 154)
HSL	hsl(234, 57%, 38%)
HSV	hsv(234, 73%, 60%)
CMYK	cmyk(72.7%, 65.6%, 0%, 39.6%)
CIE-LAB	lab(27.77, 31.01, -56.36)
CIE-LCH	lch(27.77, 64.33, 298.82°)
OKLab	oklab(38.98% 0.0045 -0.1628)
OKLCH	oklch(38.98% 0.163 271.6)
XYZ	xyz(8.0587, 5.3707, 31.1775)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A359A #9A8F2A

analogous

#2A6D9A #2A359A #572A9A

triadic

#2A359A #9A2A35 #359A2A

tetradic

#2A359A #9A2A6D #9A8F2A #2A9A57

square

#2A359A #9A2A6D #9A8F2A #2A9A57

split-complementary

#2A359A #9A572A #6D9A2A

monochromatic

#10143A #1D246A #2A359A #3847C9 #6873D6

Accessibility & contrast

On white

10.12

#2A359A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2A359A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A359A

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A359A	#FFFFFF	#000000	##FFFFFF
##2A359A	1.00	10.12	2.07	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479D

Deuteranopia (green-blind)

#003C98

Tritanopia (blue-blind)

#004F62

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a359a;
/* rgb */ color: rgb(42, 53, 154);
/* oklch */ color: oklch(39.0% 0.163 271.6);

Tailwind

colors: {
  custom: {
    50: '#746cb9',
    500: '#2a359a',
    950: '#000000',
  },
}

SCSS

$custom: #2a359a;
$custom-light: #746cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a359a",
  "rgb": {
    "r": 42,
    "g": 53,
    "b": 154
  },
  "hsl": {
    "h": 234.107,
    "s": 57.143,
    "l": 38.431
  },
  "oklch": {
    "l": 0.38975,
    "c": 0.16291,
    "h": 271.6
  },
  "luminance": 0.05372
}

Semantic roles & 50–950 ramp

primary

#2A359A

secondary

#BCB463

accent

#D147E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2A359A

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

Preview Lab → · Contrast checker → · Palette generator →