#2B389D#2B389D

#2B389D is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.9% C 0.163 H 271.1°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#2B389D
RGB	rgb(43, 56, 157)
HSL	hsl(233, 57%, 39%)
HSV	hsv(233, 73%, 62%)
CMYK	cmyk(72.6%, 64.3%, 0%, 38.4%)
CIE-LAB	lab(28.84, 30.27, -56.43)
CIE-LCH	lch(28.84, 64.04, 298.21°)
OKLab	oklab(39.86% 0.0033 -0.163)
OKLCH	oklch(39.86% 0.163 271.1)
XYZ	xyz(8.4942, 5.7754, 32.5589)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B389D #9D902B

analogous

#2B719D #2B389D #572B9D

triadic

#2B389D #9D2B38 #389D2B

tetradic

#2B389D #9D2B71 #9D902B #2B9D57

square

#2B389D #9D2B71 #9D902B #2B9D57

split-complementary

#2B389D #9D572B #719D2B

monochromatic

#11163D #1E276D #2B389D #3C4CCA #6C78D7

Accessibility & contrast

On white

9.74

#2B389D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2B389D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B389D

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B389D	#FFFFFF	#000000	##FFFFFF
##2B389D	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A0

Deuteranopia (green-blind)

#003F9B

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b389d;
/* rgb */ color: rgb(43, 56, 157);
/* oklch */ color: oklch(39.9% 0.163 271.1);

Tailwind

colors: {
  custom: {
    50: '#756ebb',
    500: '#2b389d',
    950: '#000000',
  },
}

SCSS

$custom: #2b389d;
$custom-light: #756ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b389d",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 157
  },
  "hsl": {
    "h": 233.158,
    "s": 57,
    "l": 39.216
  },
  "oklch": {
    "l": 0.3986,
    "c": 0.16304,
    "h": 271.1
  },
  "luminance": 0.05776
}

Semantic roles & 50–950 ramp

primary

#2B389D

secondary

#BDB466

accent

#CF48E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B389D

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

Preview Lab → · Contrast checker → · Palette generator →