#2B389E#2B389E

#2B389E is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.0% C 0.164 H 271.1°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#2B389E
RGB	rgb(43, 56, 158)
HSL	hsl(233, 57%, 39%)
HSV	hsv(233, 73%, 62%)
CMYK	cmyk(72.8%, 64.6%, 0%, 38%)
CIE-LAB	lab(28.93, 30.64, -56.90)
CIE-LCH	lch(28.93, 64.62, 298.31°)
OKLab	oklab(39.95% 0.0032 -0.1644)
OKLCH	oklch(39.95% 0.164 271.1)
XYZ	xyz(8.5799, 5.8097, 33.0103)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B389E #9E912B

analogous

#2B729E #2B389E #572B9E

triadic

#2B389E #9E2B38 #389E2B

tetradic

#2B389E #9E2B72 #9E912B #2B9E57

square

#2B389E #9E2B72 #9E912B #2B9E57

split-complementary

#2B389E #9E572B #729E2B

monochromatic

#11163E #1E276E #2B389E #3C4CCA #6C78D7

Accessibility & contrast

On white

9.71

#2B389E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2B389E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B389E

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B389E	#FFFFFF	#000000	##FFFFFF
##2B389E	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA1

Deuteranopia (green-blind)

#003F9C

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b389e;
/* rgb */ color: rgb(43, 56, 158);
/* oklch */ color: oklch(40.0% 0.164 271.1);

Tailwind

colors: {
  custom: {
    50: '#756ebc',
    500: '#2b389e',
    950: '#000000',
  },
}

SCSS

$custom: #2b389e;
$custom-light: #756ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b389e",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 158
  },
  "hsl": {
    "h": 233.217,
    "s": 57.214,
    "l": 39.412
  },
  "oklch": {
    "l": 0.39952,
    "c": 0.1644,
    "h": 271.1
  },
  "luminance": 0.05811
}

Semantic roles & 50–950 ramp

primary

#2B389E

secondary

#BEB467

accent

#CF47E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B389E

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

Preview Lab → · Contrast checker → · Palette generator →