#2A379C#2A379C

#2A379C is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.5% C 0.163 H 271.0°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#2A379C
RGB	rgb(42, 55, 156)
HSL	hsl(233, 58%, 39%)
HSV	hsv(233, 73%, 61%)
CMYK	cmyk(73.1%, 64.7%, 0%, 38.8%)
CIE-LAB	lab(28.44, 30.44, -56.47)
CIE-LCH	lch(28.44, 64.15, 298.32°)
OKLab	oklab(39.53% 0.003 -0.1632)
OKLCH	oklch(39.53% 0.163 271)
XYZ	xyz(8.3197, 5.6241, 32.0931)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A379C #9C8F2A

analogous

#2A709C #2A379C #562A9C

triadic

#2A379C #9C2A37 #379C2A

tetradic

#2A379C #9C2A70 #9C8F2A #2A9C56

square

#2A379C #9C2A70 #9C8F2A #2A9C56

split-complementary

#2A379C #9C562A #709C2A

monochromatic

#10153C #1D266C #2A379C #394ACA #6A76D7

Accessibility & contrast

On white

9.88

#2A379C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2A379C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A379C

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A379C	#FFFFFF	#000000	##FFFFFF
##2A379C	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489F

Deuteranopia (green-blind)

#003E9A

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a379c;
/* rgb */ color: rgb(42, 55, 156);
/* oklch */ color: oklch(39.5% 0.163 271.0);

Tailwind

colors: {
  custom: {
    50: '#746eba',
    500: '#2a379c',
    950: '#000000',
  },
}

SCSS

$custom: #2a379c;
$custom-light: #746eba;
$custom-dark: #000000;

JSON

{
  "hex": "#2a379c",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 156
  },
  "hsl": {
    "h": 233.158,
    "s": 57.576,
    "l": 38.824
  },
  "oklch": {
    "l": 0.39527,
    "c": 0.16319,
    "h": 271
  },
  "luminance": 0.05625
}

Semantic roles & 50–950 ramp

primary

#2A379C

secondary

#BDB365

accent

#CF47E1

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2A379C

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

Preview Lab → · Contrast checker → · Palette generator →