#2B379A#2B379A

#2B379A is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.4% C 0.160 H 271.5°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#2B379A
RGB	rgb(43, 55, 154)
HSL	hsl(234, 56%, 39%)
HSV	hsv(234, 72%, 60%)
CMYK	cmyk(72.1%, 64.3%, 0%, 39.6%)
CIE-LAB	lab(28.32, 29.83, -55.45)
CIE-LCH	lch(28.32, 62.96, 298.28°)
OKLab	oklab(39.4% 0.0041 -0.1601)
OKLCH	oklch(39.4% 0.16 271.5)
XYZ	xyz(8.1932, 5.5782, 31.2105)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B379A #9A8E2B

analogous

#2B6E9A #2B379A #562B9A

triadic

#2B379A #9A2B37 #379A2B

tetradic

#2B379A #9A2B6E #9A8E2B #2B9A56

square

#2B379A #9A2B6E #9A8E2B #2B9A56

split-complementary

#2B379A #9A562B #6E9A2B

monochromatic

#10153A #1E266A #2B379A #3A49C8 #6A76D5

Accessibility & contrast

On white

9.93

#2B379A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2B379A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B379A

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B379A	#FFFFFF	#000000	##FFFFFF
##2B379A	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	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: #2b379a;
/* rgb */ color: rgb(43, 55, 154);
/* oklch */ color: oklch(39.4% 0.160 271.5);

Tailwind

colors: {
  custom: {
    50: '#746eb9',
    500: '#2b379a',
    950: '#000000',
  },
}

SCSS

$custom: #2b379a;
$custom-light: #746eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b379a",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 154
  },
  "hsl": {
    "h": 233.514,
    "s": 56.345,
    "l": 38.627
  },
  "oklch": {
    "l": 0.39399,
    "c": 0.16019,
    "h": 271.5
  },
  "luminance": 0.05579
}

Semantic roles & 50–950 ramp

primary

#2B379A

secondary

#BCB365

accent

#CF48E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B379A

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

Preview Lab → · Contrast checker → · Palette generator →