#2B389A#2B389A

#2B389A is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.159 H 271.2°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#2B389A
RGB	rgb(43, 56, 154)
HSL	hsl(233, 56%, 39%)
HSV	hsv(233, 72%, 60%)
CMYK	cmyk(72.1%, 63.6%, 0%, 39.6%)
CIE-LAB	lab(28.58, 29.17, -55.04)
CIE-LCH	lch(28.58, 62.29, 297.92°)
OKLab	oklab(39.59% 0.0034 -0.1589)
OKLCH	oklch(39.59% 0.159 271.2)
XYZ	xyz(8.2412, 5.6742, 31.2265)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B389A #9A8D2B

analogous

#2B6F9A #2B389A #552B9A

triadic

#2B389A #9A2B38 #389A2B

tetradic

#2B389A #9A2B6F #9A8D2B #2B9A55

square

#2B389A #9A2B6F #9A8D2B #2B9A55

split-complementary

#2B389A #9A552B #6F9A2B

monochromatic

#10153A #1E276A #2B389A #3A4BC8 #6A77D5

Accessibility & contrast

On white

9.84

#2B389A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2B389A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B389A

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B389A	#FFFFFF	#000000	##FFFFFF
##2B389A	1.00	9.84	2.14	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499D

Deuteranopia (green-blind)

#003E98

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b389a;
/* rgb */ color: rgb(43, 56, 154);
/* oklch */ color: oklch(39.6% 0.159 271.2);

Tailwind

colors: {
  custom: {
    50: '#746eb9',
    500: '#2b389a',
    950: '#000000',
  },
}

SCSS

$custom: #2b389a;
$custom-light: #746eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b389a",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 154
  },
  "hsl": {
    "h": 232.973,
    "s": 56.345,
    "l": 38.627
  },
  "oklch": {
    "l": 0.39585,
    "c": 0.15896,
    "h": 271.2
  },
  "luminance": 0.05675
}

Semantic roles & 50–950 ramp

primary

#2B389A

secondary

#BCB265

accent

#CE48E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B389A

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

Preview Lab → · Contrast checker → · Palette generator →