#2A379A#2A379A

#2A379A is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.3% C 0.160 H 271.1°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#2A379A
RGB	rgb(42, 55, 154)
HSL	hsl(233, 57%, 38%)
HSV	hsv(233, 73%, 60%)
CMYK	cmyk(72.7%, 64.3%, 0%, 39.6%)
CIE-LAB	lab(28.27, 29.70, -55.55)
CIE-LCH	lch(28.27, 62.99, 298.13°)
OKLab	oklab(39.34% 0.0031 -0.1604)
OKLCH	oklch(39.34% 0.16 271.1)
XYZ	xyz(8.1518, 5.5569, 31.2086)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A379A #9A8D2A

analogous

#2A6F9A #2A379A #552A9A

triadic

#2A379A #9A2A37 #379A2A

tetradic

#2A379A #9A2A6F #9A8D2A #2A9A55

square

#2A379A #9A2A6F #9A8D2A #2A9A55

split-complementary

#2A379A #9A552A #6F9A2A

monochromatic

#10153A #1D266A #2A379A #3849C9 #6875D6

Accessibility & contrast

On white

9.95

#2A379A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2A379A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A379A

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A379A	#FFFFFF	#000000	##FFFFFF
##2A379A	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489D

Deuteranopia (green-blind)

#003E98

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a379a;
/* rgb */ color: rgb(42, 55, 154);
/* oklch */ color: oklch(39.3% 0.160 271.1);

Tailwind

colors: {
  custom: {
    50: '#746db9',
    500: '#2a379a',
    950: '#000000',
  },
}

SCSS

$custom: #2a379a;
$custom-light: #746db9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a379a",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 154
  },
  "hsl": {
    "h": 233.036,
    "s": 57.143,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39342,
    "c": 0.16047,
    "h": 271.1
  },
  "luminance": 0.05558
}

Semantic roles & 50–950 ramp

primary

#2A379A

secondary

#BCB263

accent

#CF47E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2A379A

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

Preview Lab → · Contrast checker → · Palette generator →